:root{
  --ink:#101418;
  --coral:#FF6B4A;
  --cream:#F2EFE6;
  --dim:#98a0a6;
  --panel:#161b20;
  --line:rgba(242,239,230,.16);
  --r:18px;
}

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

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

body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  font-size:17px;
  line-height:1.65;
  letter-spacing:.01em;
  overflow-x:clip;
  background-image:
    radial-gradient(70% 42% at 82% -8%,rgba(255,107,74,.14),transparent 70%),
    radial-gradient(60% 38% at 6% 2%,rgba(242,239,230,.07),transparent 68%);
  background-repeat:no-repeat;
}

img{display:block;max-width:100%;height:auto}
a{color:var(--coral);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
h1,h2,h3{margin:0;line-height:1.18;letter-spacing:-.03em}
menu{margin:0;padding:0;list-style:none}
small{display:block}
li[hidden]{display:none!important}

.sr{
  position:absolute;width:1px;height:1px;
  overflow:hidden;clip-path:inset(50%);white-space:nowrap;
}

::selection{background:var(--coral);color:var(--ink)}

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

.shell{
  max-width:1180px;
  margin:0 auto;
  padding:0 18px;
}

.bar{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  padding:9px 0;
  border-bottom:1px solid var(--line);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  color:var(--cream);
  font-weight:700;
  font-size:1.06rem;
  letter-spacing:-.02em;
}
.brand:hover{color:var(--coral);text-decoration:none}
.brand .mark{width:26px;height:26px;border-radius:9px}
.dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--coral);
  animation:pulse 2.8s ease-in-out infinite;
}

.nav{margin-left:auto}
.pivot{position:relative}

.pivot-btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:0 15px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel);
  color:var(--cream);
  font-size:.98rem;
  cursor:pointer;
  user-select:none;
  list-style:none;
}
.pivot-btn::-webkit-details-marker{display:none}
.pivot-btn:hover{color:var(--coral);border-color:rgba(255,107,74,.5)}

.bars{
  width:16px;height:2px;
  background:currentColor;
  position:relative;
}
.bars::before,.bars::after{
  content:"";position:absolute;left:0;
  width:16px;height:2px;background:currentColor;
}
.bars::before{top:-5px}
.bars::after{top:5px}

.pivot-menu{
  display:none;
  position:absolute;
  right:0;
  top:calc(100% + 8px);
  min-width:236px;
  max-height:min(70vh,430px);
  overflow:auto;
  padding:8px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:0 26px 50px rgba(0,0,0,.55);
  z-index:60;
}
details[open]>.pivot-menu{display:block;animation:pop .2s ease-out}
.pivot-menu a{
  display:block;
  padding:11px 12px;
  min-height:42px;
  border-radius:12px;
  color:var(--cream);
  font-size:.98rem;
}
.pivot-menu a:hover,.pivot-menu a:focus-visible{
  background:rgba(255,107,74,.15);
  color:var(--coral);
  text-decoration:none;
}

.find{display:flex;align-items:center}
.find input{
  width:152px;
  min-height:42px;
  padding:0 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#0b0f12;
  color:var(--cream);
  font:inherit;
  font-size:.95rem;
}
.find input::placeholder{color:#6f777d}
.find input:focus{outline:2px solid var(--coral);outline-offset:1px}

.rail{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(16,20,24,.93);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.rail-menu{
  display:flex;
  gap:6px;
  max-width:1180px;
  margin:0 auto;
  padding:7px 18px;
  overflow-x:auto;
  scrollbar-width:none;
}
.rail-menu::-webkit-scrollbar{display:none}
.rail-menu a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 13px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--dim);
  font-size:.95rem;
  white-space:nowrap;
}
.rail-menu a:hover{
  color:var(--cream);
  border-color:var(--line);
  text-decoration:none;
}
.rail-menu li:first-child a{color:var(--coral)}

.hero{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  align-items:center;
  gap:26px;
  min-height:45vh;
  padding:34px 0 28px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(242,239,230,.15) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(115% 85% at 18% 0,#000,transparent 72%);
  mask-image:radial-gradient(115% 85% at 18% 0,#000,transparent 72%);
  pointer-events:none;
}
.hero--flat{grid-template-columns:1fr}

.hero-t{position:relative;min-width:0}

.hero h1{
  font-size:clamp(2.5rem,8.6vw,5.4rem);
  font-weight:700;
  letter-spacing:-.05em;
  margin:0 0 14px;
  word-break:break-word;
}
.hero h1 .l{
  display:inline-block;
  background-image:linear-gradient(165deg,var(--cream) 28%,var(--coral));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:rise .62s cubic-bezier(.2,.86,.24,1) backwards;
}
.hero h1 .sp{white-space:pre}

.lede{
  margin:0;
  max-width:44ch;
  color:#cfd4d8;
  font-size:1.02rem;
  animation:wipe .9s .28s both;
}

.hero-art{
  position:relative;
  display:grid;
  gap:12px;
  align-content:center;
}
.shot-f{
  margin:0;
  border-radius:var(--r);
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--panel);
}
.shot-f .shot{width:100%;aspect-ratio:16/10;object-fit:cover;animation:rise .8s .12s backwards}
.shot-f.low{
  width:82%;
  margin-left:auto;
  transform:rotate(2.2deg);
  box-shadow:0 22px 42px rgba(0,0,0,.45);
}
.shot-f.low .shot{animation-delay:.26s}
.shot-f:not(.low){transform:rotate(-2.2deg)}

.core{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:26px;
  padding:24px 0 38px;
}

.prose{counter-reset:sec;min-width:0}

.prose section{
  position:relative;
  padding:24px 0 30px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:104px;
}
.prose section:last-child{border-bottom:0;padding-bottom:4px}
.prose section::before{
  content:counter(sec,decimal-leading-zero);
  counter-increment:sec;
  display:block;
  margin-bottom:6px;
  color:var(--coral);
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.24em;
}

.prose small{
  color:var(--coral);
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.22em;
  margin-bottom:4px;
}

.prose h2{font-size:clamp(1.42rem,4.4vw,2.02rem);margin:0 0 12px}
.prose h3{font-size:1.16rem;margin:20px 0 8px;color:var(--cream)}
.prose p{margin:0 0 1em;color:#d7dbde}
.prose p strong,.prose li strong{color:#fff}
.prose a{border-bottom:1px solid rgba(255,107,74,.5)}
.prose ul,.prose ol{padding-left:1.25em;margin:0 0 1em}
.prose li{margin:.25em 0}
.prose img{border-radius:var(--r);margin:1.1em 0;border:1px solid var(--line)}
.prose figure{margin:1.1em 0}
.prose blockquote{
  margin:1.1em 0;
  padding:2px 0 2px 16px;
  border-left:3px solid var(--coral);
  color:#e6e9eb;
}

.side{
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--panel);
  padding:16px 18px 8px;
  align-self:start;
}
.side small{
  color:var(--coral);
  font-size:.9rem;
  font-weight:600;
  letter-spacing:.22em;
  margin-bottom:4px;
}
.side-h{font-size:1.12rem;margin-bottom:8px}
.side-menu a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  color:var(--cream);
  font-size:.97rem;
}
.side-menu li:last-child a{border-bottom:0}
.side-menu a:hover{color:var(--coral);text-decoration:none}

.foot{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin-top:8px;
  padding:24px 0 26px;
  border-top:1px solid var(--line);
}
.foot p{margin:0;color:var(--dim);font-size:.96rem}
.foot-a strong{color:var(--cream);letter-spacing:-.02em}
.foot-b a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  margin-right:12px;
  color:var(--cream);
  font-size:.94rem;
}
.foot-b a+a::before{content:"·";margin-right:12px;color:var(--dim)}
.foot small{
  grid-column:1/-1;
  padding-top:12px;
  border-top:1px solid var(--line);
  color:var(--dim);
  font-size:.9rem;
}

.up{
  position:fixed;
  right:14px;
  bottom:14px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 15px;
  border-radius:999px;
  background:var(--coral);
  color:#131619;
  font-size:.92rem;
  font-weight:600;
  box-shadow:0 14px 30px rgba(0,0,0,.5);
}
.up:hover{filter:brightness(1.08);text-decoration:none}

.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .62s ease,transform .62s ease;
}
.reveal.in{opacity:1;transform:none}

@keyframes rise{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes wipe{
  from{clip-path:inset(0 100% 0 0)}
  to{clip-path:inset(0 0 0 0)}
}
@keyframes pop{
  from{opacity:0;transform:translateY(-6px) scale(.98)}
  to{opacity:1;transform:none}
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(255,107,74,.2)}
  50%{box-shadow:0 0 0 9px rgba(255,107,74,.05)}
}

@media(min-width:640px){
  .foot{grid-template-columns:1fr 1fr;align-items:start}
}

@media(min-width:900px){
  .core{grid-template-columns:minmax(0,1fr) 268px;gap:38px;align-items:start}
  .side{position:sticky;top:74px;padding:18px 18px 10px}
}

@media(max-width:760px){
  .hero{grid-template-columns:1fr;min-height:0;padding:26px 0 22px;gap:18px}
  .hero-art{grid-template-columns:1fr 1fr;gap:10px}
  .shot-f.low{width:100%;margin:0}
  .hero-art .shot{aspect-ratio:4/3}
}

@media(max-width:600px){
  body{font-size:16.5px}
  .bar{row-gap:8px}
  .find{order:3;flex:1 1 100%}
  .find input{width:100%}
  .nav{margin-left:auto}
}

@media(max-width:400px){
  .brand{font-size:1rem}
  .rail-menu{padding-inline:14px}
  .hero h1{font-size:clamp(2.2rem,11vw,3rem)}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{
    animation-duration:.001s!important;
    animation-delay:0s!important;
    transition-duration:.001s!important;
    transition-delay:0s!important;
  }
}

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