:root {
  --ink: #12121f;
  --ink-2: #1a1a2e;
  --ink-3: #0b0b14;
  --red: #ff0000;
  --rose: #ff006e;
  --paper: #ecedf7;
  --dim: #9a9ab8;
  --line: rgba(255, 255, 255, 0.12);
  --neon: 0 0 8px rgba(255, 0, 110, 0.85), 0 0 22px rgba(255, 0, 0, 0.45);
  --serif: 'Cinzel', 'Songti SC', 'SimSun', Georgia, serif;
  --sans: 'Josefin Sans', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; }

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

body.cyber {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 18% -6%, rgba(255, 0, 110, 0.22), transparent 46%),
    radial-gradient(circle at 84% 4%, rgba(255, 0, 0, 0.16), transparent 42%),
    radial-gradient(circle at 50% 120%, rgba(255, 0, 110, 0.12), transparent 55%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, var(--ink-2), var(--ink-3));
  background-size: auto, auto, auto, 100% 34px, 34px 100%, auto;
}

body.cyber::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.3;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.14) 0 1px, transparent 1px 3px);
}

a { color: var(--rose); text-decoration: none; }
a:hover, a:focus-visible { color: #fff; }

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

section { scroll-margin-top: 92px; }

/* ===== 顶部：品牌独占一行 + 药丸导航 ===== */
.topbar {
  position: relative;
  z-index: 5;
  padding: 18px 20px 16px;
  border-bottom: 1px solid rgba(255, 0, 110, 0.34);
  background: linear-gradient(180deg, rgba(26, 26, 46, 0.96), rgba(18, 18, 31, 0.72));
  box-shadow: 0 12px 40px -28px var(--rose);
}

.brandline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  max-width: 1180px;
  margin: 0 auto 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--paper);
  letter-spacing: 0.06em;
}

.mark-img {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border: 1px solid var(--rose);
  background: var(--ink-3);
  object-fit: cover;
}

.mark-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--rose);
  text-shadow: var(--neon);
}

.brandname {
  font-family: var(--serif);
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: none;
  text-shadow: 0 0 10px rgba(255, 0, 110, 0.6);
}

.cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 18px;
  border: 1px solid var(--rose);
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--rose);
  background: rgba(255, 0, 110, 0.08);
  box-shadow: inset 0 0 12px rgba(255, 0, 110, 0.28);
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover, .cta:focus-visible {
  color: #fff;
  background: rgba(255, 0, 110, 0.24);
  box-shadow: 0 0 18px rgba(255, 0, 110, 0.7);
}

.pillnav { max-width: 1180px; margin: 0 auto; }

.pillnav p {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.pillnav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.94rem;
  letter-spacing: 0.05em;
  color: #d9d9ec;
  background: rgba(18, 18, 31, 0.7);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pillnav a:hover, .pillnav a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--rose);
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 0, 110, 0.55);
}

/* ===== Hero ===== */
.stage {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 45vh;
  padding: 40px 24px 120px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.badge {
  margin: 0;
  padding: 6px 16px;
  border: 1px solid var(--red);
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 0.24em;
  color: #ffd9e6;
  background: rgba(255, 0, 0, 0.1);
  box-shadow: 0 0 16px rgba(255, 0, 0, 0.4);
}

.glitch {
  position: relative;
  z-index: 2;
  margin: 0;
  max-width: 24ch;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 6.4vw, 3.5rem);
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: #fff;
  text-shadow: 0 0 12px rgba(255, 0, 110, 0.9), 0 0 40px rgba(255, 0, 0, 0.55);
  animation: glow-pulse 5s ease-in-out infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-t);
  position: absolute;
  inset: 0;
  z-index: -1;
  color: var(--rose);
  text-shadow: 0 0 10px var(--rose);
  opacity: 0.7;
  pointer-events: none;
}

.glitch::before { animation: glitch-a 4.2s steps(2, end) infinite; }
.glitch::after { color: #b6f0ff; text-shadow: 0 0 10px #35d6ff; animation: glitch-b 5.4s steps(2, end) infinite; }

@keyframes glitch-a {
  0%, 88%, 100% { transform: translate3d(-2px, 0, 0); }
  90% { transform: translate3d(-6px, -2px, 0); }
  94% { transform: translate3d(3px, 2px, 0); }
}

@keyframes glitch-b {
  0%, 82%, 100% { transform: translate3d(2px, 0, 0); }
  85% { transform: translate3d(6px, 2px, 0); }
  92% { transform: translate3d(-4px, -1px, 0); }
}

@keyframes glow-pulse {
  0%, 100% { text-shadow: 0 0 12px rgba(255, 0, 110, 0.8), 0 0 40px rgba(255, 0, 0, 0.45); }
  50% { text-shadow: 0 0 18px rgba(255, 0, 110, 1), 0 0 60px rgba(255, 0, 0, 0.7); }
}

.shot {
  position: absolute;
  bottom: 10px;
  z-index: 1;
  width: 33%;
  max-width: 240px;
  margin: 0;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255, 0, 110, 0.55);
  background: linear-gradient(150deg, rgba(255, 0, 110, 0.24), rgba(255, 0, 0, 0.1));
  box-shadow: 0 0 24px rgba(255, 0, 110, 0.32);
  overflow: hidden;
  transform: translate3d(0, var(--py, 0px), 0) rotate(var(--rot, 0deg));
  will-change: transform;
}

.shot-img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.15) contrast(1.06); }

.shot-scan {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.32) 0 2px, transparent 2px 5px);
}

.shot-a { left: -3%; --rot: -4deg; }
.shot-b { right: -3%; --rot: 3deg; }

/* ===== 内容区：aside 左置 ===== */
.desk {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
  padding: 52px 24px 72px;
}

.rail {
  position: sticky;
  top: 22px;
  padding: 20px 18px 22px;
  border: 1px solid rgba(255, 0, 110, 0.4);
  background: rgba(11, 11, 20, 0.72);
  box-shadow: inset 0 0 22px rgba(255, 0, 110, 0.12);
}

.rail-h {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #fff;
}

.rail-h::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: var(--rose);
  box-shadow: 0 0 10px var(--rose);
}

.rail-t { display: inline; }

.rail-h + .toc { margin-bottom: 22px; }

.toc {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.toc li { counter-increment: toc; }

.toc a {
  display: block;
  padding: 8px 10px 8px 14px;
  font-size: 0.94rem;
  line-height: 1.45;
  color: #cfcfe4;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.toc a::before {
  content: counter(toc, decimal-leading-zero);
  margin-right: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--rose);
}

.toc a:hover, .toc a:focus-visible {
  color: #fff;
  border-left-color: var(--rose);
  background: rgba(255, 0, 110, 0.12);
}

.rail-top { margin: 0; }

.rail-top a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 0.92rem;
  color: #d9d9ec;
}

.rail-top a:hover, .rail-top a:focus-visible { border-color: var(--rose); color: #fff; }

/* ===== 正文 ===== */
.prose { min-width: 0; }

.prose > section {
  padding: 30px 0 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.prose > section:first-child { border-top: 0; padding-top: 4px; }

.prose > section:nth-child(odd) {
  background: linear-gradient(180deg, rgba(255, 0, 110, 0.05), transparent 70%);
}

.prose h2,
.prose h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  color: #fff;
  text-shadow: 0 0 14px rgba(255, 0, 110, 0.55);
}

.prose h2 {
  margin: 8px 0 16px;
  padding-bottom: 10px;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: 0.03em;
  border-bottom: 1px solid rgba(255, 0, 110, 0.32);
}

.prose h3 {
  margin: 26px 0 10px;
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  color: #ffdce9;
  text-shadow: none;
}

.prose p { margin: 0 0 16px; max-width: 70ch; }

.prose ul,
.prose ol { margin: 0 0 18px; padding-left: 22px; max-width: 70ch; }

.prose li { margin-bottom: 8px; }

.prose li::marker { color: var(--rose); }

.prose strong { color: #fff; }

.prose blockquote {
  margin: 22px 0;
  padding: 14px 20px;
  border-left: 2px solid var(--red);
  background: rgba(255, 0, 0, 0.07);
  color: #ffe4ea;
}

.prose blockquote p:last-child { margin-bottom: 0; }

.prose code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.92em;
  padding: 1px 5px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffd0e0;
}

.prose table {
  width: 100%;
  margin: 20px 0;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.prose th,
.prose td {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  text-align: left;
}

.prose th { background: rgba(255, 0, 110, 0.14); color: #fff; }

.prose figure { margin: 22px 0; }

.prose figcaption { font-size: 0.88rem; color: var(--dim); margin-top: 8px; }

.prose a {
  border-bottom: 1px solid rgba(255, 0, 110, 0.5);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.prose a:hover, .prose a:focus-visible { border-color: #fff; }

/* ===== 页脚：仅 p + small ===== */
.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px 34px;
  padding: 40px 24px 30px;
  border-top: 1px solid rgba(255, 0, 110, 0.4);
  background: linear-gradient(180deg, rgba(18, 18, 31, 0.4), rgba(11, 11, 20, 0.94));
}

.foot p { margin: 0; }

.foot-brand {
  flex: 0 1 auto;
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.16em;
}

.foot-brand a { color: #fff; text-shadow: 0 0 12px rgba(255, 0, 110, 0.6); }

.foot-links {
  flex: 1 1 300px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  justify-content: flex-end;
  font-size: 0.94rem;
}

.foot-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: #c9c9dd;
  border-bottom: 1px solid transparent;
}

.foot-links a:hover, .foot-links a:focus-visible { color: #fff; border-bottom-color: var(--rose); }

.foot-copy {
  flex: 1 0 100%;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--dim);
}

@media (max-width: 900px) {
  .desk { grid-template-columns: 1fr; gap: 26px; padding-top: 38px; }
  .rail { position: static; }
  .toc { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 10px; }
  .foot-links { justify-content: flex-start; }
}

@media (max-width: 560px) {
  body.cyber { font-size: 16px; }
  .topbar { padding: 14px 16px 14px; }
  .brandline { margin-bottom: 12px; }
  .brandname { font-size: 1rem; letter-spacing: 0.1em; }
  .pillnav a, .cta { font-size: 0.9rem; padding: 8px 13px; }
  .stage { min-height: 45vh; padding: 32px 18px 104px; }
  .glitch { max-width: 18ch; }
  .shot { width: 36%; }
  .desk { padding: 32px 16px 56px; }
  .toc { grid-template-columns: 1fr; }
  .foot { padding: 32px 16px 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .glitch, .glitch::before, .glitch::after { animation: none; }
  .shot { transform: none; }
  .pillnav a:hover, .cta:hover { transform: none; }
  body.cyber::after { opacity: 0.22; }
}

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