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

:root{
  --bg:#0a1208;
  --ink:#192617;
  --neon:#87ff71;
  --cyan:#01cdfe;
  --rose:#ff71ce;
  --violet:#b967ff;
  --paper:#e9f7e3;
  --dim:#a8bfa1;
  --line:rgba(135,255,113,.26);
  --serif:"Libre Bodoni",Georgia,"Songti SC","Noto Serif SC",serif;
  --sans:"Public Sans",-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}

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

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

body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--paper);
  overflow-x:hidden;
  background:
    radial-gradient(1100px 560px at 82% -12%, rgba(1,205,254,.18), transparent 62%),
    radial-gradient(880px 520px at 6% -4%, rgba(255,113,206,.14), transparent 58%),
    linear-gradient(180deg,#0b1508 0%, #0a1208 46%, #0d1a12 100%);
  background-attachment:fixed;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:2;
  pointer-events:none;
  opacity:.42;
  mix-blend-mode:overlay;
  background:repeating-linear-gradient(180deg, rgba(255,255,255,.07) 0 1px, transparent 1px 4px);
}

a{color:var(--cyan);text-underline-offset:3px}
a:hover{color:var(--neon)}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 顶栏 + 全屏菜单 ---------- */
.veil{position:fixed;top:0;left:0;right:0;z-index:70}

.veil-bar{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:9px clamp(14px,4vw,34px);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,18,8,.95), rgba(10,18,8,.62));
  backdrop-filter:blur(9px);
}

.mark{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 4px;
  font-family:var(--serif);
  font-size:1.12rem;
  letter-spacing:.03em;
  color:var(--paper);
  text-decoration:none;
  text-shadow:0 0 16px rgba(135,255,113,.55);
}

.burger{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:10px 18px;
  font:inherit;
  font-size:.95rem;
  letter-spacing:.2em;
  color:var(--cyan);
  background:transparent;
  border:1px solid rgba(1,205,254,.6);
  border-radius:0;
  cursor:pointer;
  transition:background .2s ease, color .2s ease, box-shadow .2s ease;
}
.burger:hover{background:rgba(1,205,254,.14);box-shadow:0 0 20px rgba(1,205,254,.45)}
.burger[aria-expanded="true"]{background:var(--cyan);color:#08120a;box-shadow:0 0 26px rgba(1,205,254,.6)}

.veil-nav{
  position:fixed;
  inset:0;
  z-index:2;
  display:grid;
  place-items:center;
  padding:100px 18px 54px;
  overflow-y:auto;
  visibility:hidden;
  opacity:0;
  clip-path:circle(0% at 94% 5%);
  transition:clip-path .55s ease, opacity .4s ease, visibility .55s;
  background:
    repeating-linear-gradient(180deg, rgba(255,255,255,.045) 0 1px, transparent 1px 4px),
    radial-gradient(700px 420px at 80% 10%, rgba(255,113,206,.2), transparent 60%),
    radial-gradient(700px 420px at 12% 90%, rgba(1,205,254,.2), transparent 60%),
    linear-gradient(160deg,#0d1a0b,#0a1208 70%);
}
.veil.open .veil-nav{
  visibility:visible;
  opacity:1;
  clip-path:circle(160% at 94% 5%);
}

.veil-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
  text-align:center;
}

.veil-nav li{opacity:0;transform:translateY(16px)}
.veil.open .veil-nav li{animation:itemIn .42s ease forwards}
.veil.open .veil-nav li:nth-child(1){animation-delay:.05s}
.veil.open .veil-nav li:nth-child(2){animation-delay:.1s}
.veil.open .veil-nav li:nth-child(3){animation-delay:.15s}
.veil.open .veil-nav li:nth-child(4){animation-delay:.2s}
.veil.open .veil-nav li:nth-child(5){animation-delay:.25s}
.veil.open .veil-nav li:nth-child(6){animation-delay:.3s}
.veil.open .veil-nav li:nth-child(7){animation-delay:.35s}

.veil-nav a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:10px 22px;
  font-family:var(--serif);
  font-size:clamp(1.5rem,5.4vw,2.6rem);
  line-height:1.2;
  color:var(--paper);
  text-decoration:none;
  transition:color .2s ease, text-shadow .2s ease, letter-spacing .25s ease;
}
.veil-nav a:hover{color:var(--neon);text-shadow:0 0 22px rgba(135,255,113,.7);letter-spacing:.04em}

@keyframes itemIn{to{opacity:1;transform:translateY(0)}}

/* ---------- 主体 ---------- */
.stage{
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(16px,4vw,40px);
}

.hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:end;
  gap:clamp(20px,4vw,52px);
  min-height:70vh;
  padding:clamp(88px,12vh,130px) 0 46px;
  overflow:hidden;
  border-bottom:2px solid var(--line);
}

.hero-fig{
  order:1;
  position:relative;
  margin:0;
  aspect-ratio:3/4;
  overflow:hidden;
  border:1px solid rgba(1,205,254,.45);
  border-radius:0;
  background:linear-gradient(180deg, rgba(255,113,206,.35), rgba(1,205,254,.22) 55%, rgba(10,18,8,.92));
  box-shadow:0 0 0 1px rgba(135,255,113,.16), 0 26px 62px rgba(0,0,0,.55);
}
.hero-fig::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(0,0,0,.28) 0 1px, transparent 1px 3px);
  opacity:.55;
}

.hero-fig .shot{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  animation:hue 22s linear infinite;
}

.void{
  position:absolute;
  inset:0;
  background:
    repeating-linear-gradient(90deg, rgba(135,255,113,.24) 0 1px, transparent 1px 38px),
    repeating-linear-gradient(180deg, rgba(1,205,254,.22) 0 1px, transparent 1px 38px),
    linear-gradient(180deg, rgba(255,113,206,.5), rgba(185,103,255,.34) 46%, rgba(10,18,8,.95));
}

.hero-txt{
  order:2;
  position:relative;
  z-index:4;
  text-align:right;
}

.hero-mark{
  margin:0 0 10px;
  font-size:.85rem;
  letter-spacing:.32em;
  color:var(--cyan);
  text-shadow:0 0 14px rgba(1,205,254,.6);
}

.hero h1{
  position:relative;
  margin:0;
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(2rem,5.6vw,3.9rem);
  line-height:1.06;
  letter-spacing:-.01em;
  color:var(--paper);
  text-shadow:0 0 26px rgba(135,255,113,.42), 0 0 60px rgba(1,205,254,.25);
  word-break:break-word;
}
.hero h1::before,
.hero h1::after{
  content:attr(data-text);
  position:absolute;
  inset:0;
  pointer-events:none;
}
.hero h1::before{color:var(--cyan);opacity:.6;transform:translate(3px,0);animation:glitch 6s steps(2,end) infinite}
.hero h1::after{color:var(--rose);opacity:.5;transform:translate(-3px,0);animation:glitch 5s steps(2,end) infinite reverse}

@keyframes glitch{
  0%,90%,100%{clip-path:inset(0 0 0 0)}
  92%{clip-path:inset(8% 0 62% 0)}
  95%{clip-path:inset(52% 0 22% 0)}
  98%{clip-path:inset(30% 0 46% 0)}
}
@keyframes hue{to{filter:hue-rotate(42deg) saturate(1.25)}}

.hero-desc{
  margin:16px 0 0;
  font-size:1rem;
  line-height:1.7;
  color:var(--dim);
}

.tick{
  position:relative;
  list-style:none;
  margin:18px 0 0;
  padding:0;
  height:2.1rem;
  overflow:hidden;
  font-family:var(--serif);
  font-size:1.15rem;
  color:var(--cyan);
  text-shadow:0 0 14px rgba(1,205,254,.55);
}
.tick li{
  position:absolute;
  inset:0;
  opacity:0;
  text-align:right;
  animation:tickroll 20s linear infinite;
}
.tick li:nth-child(2){animation-delay:5s}
.tick li:nth-child(3){animation-delay:10s}
.tick li:nth-child(4){animation-delay:15s}

@keyframes tickroll{
  0%{opacity:0;transform:translateY(72%)}
  4%,20%{opacity:1;transform:translateY(0)}
  24%,100%{opacity:0;transform:translateY(-72%)}
}

.ghost{
  position:absolute;
  left:-3vw;
  bottom:-2vh;
  z-index:0;
  font-family:var(--serif);
  font-size:clamp(74px,23vw,290px);
  line-height:.78;
  letter-spacing:-.045em;
  color:transparent;
  -webkit-text-stroke:1px rgba(135,255,113,.22);
  white-space:nowrap;
  pointer-events:none;
  user-select:none;
  animation:drift 26s ease-in-out infinite alternate;
}

@keyframes drift{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(2.5vw,-1.5vh,0)}
}

/* ---------- 正文 + 侧栏 ---------- */
.shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  align-items:start;
  gap:clamp(24px,4vw,52px);
  margin-top:56px;
}

.stream{min-width:0}

.stream > div{
  padding:4px 0 30px;
  margin:0 0 34px;
  border-bottom:2px solid rgba(255,113,206,.36);
  animation:rise .7s cubic-bezier(.2,.7,.3,1) both;
  scroll-margin-top:96px;
}
.stream > div:nth-child(1){animation-delay:.05s}
.stream > div:nth-child(2){animation-delay:.11s}
.stream > div:nth-child(3){animation-delay:.17s}
.stream > div:nth-child(4){animation-delay:.23s}
.stream > div:nth-child(5){animation-delay:.29s}
.stream > div:nth-child(6){animation-delay:.35s}
.stream > div:nth-child(7){animation-delay:.41s}
.stream > div:nth-child(8){animation-delay:.47s}

@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.stream h2,
.stream h3{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.22;
  margin:26px 0 8px;
  color:var(--neon);
  text-shadow:0 0 20px rgba(135,255,113,.34);
  word-break:break-word;
}
.stream h2{font-size:clamp(1.5rem,4vw,2.15rem)}
.stream h3{font-size:clamp(1.18rem,3vw,1.5rem);color:var(--paper)}

hr{
  border:0;
  width:64px;
  height:2px;
  margin:10px 0 20px;
  background:linear-gradient(90deg,var(--neon),var(--cyan));
}

.stream p,
.stream li{
  font-size:1.0625rem;
  line-height:1.8;
  color:#d3e5cc;
}
.stream p{margin:0 0 16px}
.stream ul,.stream ol{padding-left:1.25em;margin:0 0 18px}
.stream li{margin:0 0 8px}
.stream strong{color:var(--neon)}
.stream a{color:var(--cyan)}

.stream blockquote{
  margin:22px 0;
  padding:6px 0 6px 18px;
  border-left:3px solid var(--neon);
  color:#c6dbbf;
  font-style:normal;
  background:linear-gradient(90deg, rgba(135,255,113,.08), transparent 70%);
}

.stream img{
  display:block;
  max-width:100%;
  height:auto;
  margin:18px 0;
  border:1px solid var(--line);
  border-radius:0;
}

.stream table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:.96rem;
}
.stream th,.stream td{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
}

.rail{
  position:sticky;
  top:96px;
  padding-left:16px;
  border-left:2px solid rgba(1,205,254,.4);
}
.rail h2{
  margin:0;
  font-family:var(--serif);
  font-size:1.1rem;
  letter-spacing:.14em;
  color:var(--cyan);
  text-shadow:0 0 14px rgba(1,205,254,.5);
}
.rail hr{width:44px;margin:8px 0 10px}

.rail-list{list-style:none;margin:0;padding:0}
.rail-list a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:8px 0;
  font-size:.98rem;
  color:var(--dim);
  text-decoration:none;
  border-bottom:1px dashed rgba(135,255,113,.2);
  transition:color .2s ease, padding-left .2s ease;
}
.rail-list a:hover{color:var(--neon);padding-left:6px}

.rail-top{margin:14px 0 0}
.rail-top a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:.9rem;
  color:var(--cyan);
  text-decoration:none;
}

/* ---------- 页脚 ---------- */
.foot{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px 24px;
  max-width:1200px;
  margin:78px auto 0;
  padding:34px clamp(16px,4vw,40px) 46px;
  border-top:2px solid var(--line);
  overflow:hidden;
}

.foot-mega{
  grid-column:1/-1;
  margin:0;
  font-family:var(--serif);
  font-size:clamp(2.1rem,10.5vw,7.6rem);
  line-height:.84;
  letter-spacing:-.035em;
  color:transparent;
  -webkit-text-stroke:1px rgba(135,255,113,.45);
  word-break:break-word;
}

.foot-brand{
  grid-column:1;
  margin:0;
  font-family:var(--serif);
  font-size:1.02rem;
  color:var(--neon);
}

.foot-desc{
  grid-column:2/4;
  margin:0;
  font-size:.94rem;
  line-height:1.7;
  color:var(--dim);
}

.foot-links{
  grid-column:4;
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:0 16px;
  margin:0;
}
.foot-links a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 0;
  font-size:.94rem;
  color:var(--paper);
  text-decoration:none;
}
.foot-links a:hover{color:var(--neon)}

.foot-copy{
  grid-column:1/3;
  font-size:.84rem;
  color:var(--dim);
}

.foot-top{
  grid-column:3/5;
  text-align:right;
  font-size:.84rem;
}
.foot-top a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  color:var(--cyan);
  text-decoration:none;
}

/* ---------- 移动端 ---------- */
@media (max-width:860px){
  .shell{grid-template-columns:minmax(0,1fr);gap:34px}
  .rail{position:static;border-left:0;border-top:2px solid rgba(1,205,254,.4);padding:18px 0 0}
  .rail-list{display:flex;flex-wrap:wrap;gap:0 18px}
  .rail-list a{border-bottom:0}
}

@media (max-width:760px){
  body{font-size:16px}
  .hero{
    grid-template-columns:minmax(0,1fr);
    min-height:0;
    padding-top:104px;
    align-items:start;
  }
  .hero-fig{aspect-ratio:16/11}
  .hero-txt{text-align:right}
  .ghost{font-size:clamp(64px,26vw,150px);bottom:auto;top:12vh;left:-4vw;opacity:.7}
  .foot{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px 18px;margin-top:56px}
  .foot-mega{grid-column:1/-1}
  .foot-brand{grid-column:1/-1}
  .foot-desc{grid-column:1/-1}
  .foot-links{grid-column:1/-1;justify-content:flex-start;gap:0 18px}
  .foot-copy{grid-column:1}
  .foot-top{grid-column:2}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .veil-nav li{opacity:1;transform:none}
}

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