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

:root {
  --g: #00ff80;
  --b: #0000ff;
  --k: #000000;
  --w: #f2f2f2;
  --line: #1b1bff;
  --sans: "Exo", system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  --mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

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

body {
  margin: 0;
  background: var(--k);
  color: var(--w);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  font-weight: 400;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: var(--g); }
menu { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0 0 .5em; font-weight: 700; line-height: 1.12; }
section[id] { scroll-margin-top: 120px; }
:focus-visible { outline: 3px solid var(--g); outline-offset: 2px; }

/* ---- 顶栏 ---- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  background: var(--k);
  border-bottom: 3px solid var(--g);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  text-decoration: none;
  color: var(--w);
  font-weight: 700;
  letter-spacing: .08em;
  flex: 0 0 auto;
}
.brand-box {
  width: 16px;
  height: 16px;
  background: var(--g);
  border: 3px solid var(--b);
}
.brand-txt { font-size: 1rem; }

.dock { margin-left: auto; min-width: 0; }
.dock details {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  min-width: 0;
}
.dock details:not([open]) .dock-menu { display: none; }

summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 8px 15px;
  border: 2px solid var(--g);
  border-radius: 999px;
  color: var(--g);
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .12em;
  flex: 0 0 auto;
}
summary::-webkit-details-marker { display: none; }
summary:hover { background: var(--g); color: var(--k); }
summary:hover .burger { background: var(--k); box-shadow: 0 4px 0 var(--k), 0 -4px 0 var(--k); }

.burger {
  width: 14px;
  height: 2px;
  background: var(--g);
  box-shadow: 0 4px 0 var(--g), 0 -4px 0 var(--g);
}

.dock-menu {
  display: flex;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px;
}
.dock-menu::-webkit-scrollbar { display: none; }

.dock-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 14px;
  border: 2px solid var(--b);
  border-radius: 999px;
  color: var(--w);
  text-decoration: none;
  font-size: .9rem;
  white-space: nowrap;
}
.dock-menu a:hover,
.dock-menu a:focus-visible { background: var(--g); border-color: var(--g); color: var(--k); }

/* ---- 头部大图 ---- */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 45vh;
  border-bottom: 4px solid var(--g);
  background: var(--k);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px));
}

.hero-text { padding: 26px 16px 20px; }

.hero h1 {
  font-size: clamp(1.95rem, 8.4vw, 4.2rem);
  letter-spacing: -.025em;
  color: var(--w);
  margin: 0 0 14px;
  text-wrap: balance;
}

.hero-lead {
  font-family: var(--mono);
  font-size: .93rem;
  line-height: 1.65;
  color: #a9ffd2;
  max-width: 48ch;
  margin: 0 0 20px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 22px;
  background: var(--g);
  color: var(--k);
  font-weight: 700;
  letter-spacing: .05em;
  text-decoration: none;
  border: 3px solid var(--g);
  border-radius: 999px;
}
.hero-cta:hover { background: var(--b); border-color: var(--b); color: var(--w); }

.hero-fig {
  margin: 0;
  border-top: 4px solid var(--g);
  overflow: hidden;
}
.hero-img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  max-height: 44vh;
  object-fit: cover;
  filter: contrast(1.07) saturate(1.12);
}
.hero-blank {
  min-height: 200px;
  background: repeating-linear-gradient(45deg, #000 0 12px, #031a0e 12px 24px);
}

/* ---- 版面 ---- */
.board {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 16px 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.prose { min-width: 0; }

.prose > section {
  padding: 26px 0 6px;
  border-top: 3px solid var(--line);
}
.prose > section:first-child { border-top: 0; padding-top: 4px; }

.prose h2 {
  font-size: clamp(1.4rem, 4.6vw, 2.15rem);
  color: var(--g);
  letter-spacing: -.01em;
}
.prose h2::after {
  content: "";
  display: block;
  width: 54px;
  height: 6px;
  background: var(--b);
  margin-top: 10px;
}
.prose h3 { font-size: 1.18rem; color: #fff; }

.prose p { margin: 0 0 16px; color: #dadada; max-width: 66ch; }
.prose p.subtitle {
  font-family: var(--mono);
  font-size: .88rem;
  letter-spacing: .05em;
  color: var(--g);
  margin: -4px 0 18px;
}
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; color: #dadada; max-width: 66ch; }
.prose li { margin: 0 0 9px; }
.prose li::marker { color: var(--g); }
.prose a {
  color: var(--g);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.prose strong { color: #fff; background: var(--b); padding: 0 4px; }
.prose img { width: 100%; height: auto; }
.prose figure { margin: 22px 0; padding: 8px; border: 3px solid var(--g); background: #050505; }
.prose figcaption { font-family: var(--mono); font-size: .78rem; color: #9c9c9c; padding-top: 6px; }
.prose blockquote {
  margin: 22px 0;
  padding: 14px 18px;
  border-left: 8px solid var(--g);
  background: #070707;
}
.prose blockquote p { margin: 0; color: #cfcfcf; }
.prose hr { border: 0; border-top: 3px solid var(--line); margin: 26px 0; }

/* ---- 侧栏 ---- */
.rail {
  align-self: start;
  border: 3px solid var(--g);
  border-radius: 18px;
  background: #030303;
  padding: 18px;
}
.rail h2 { font-size: 1.22rem; color: var(--g); margin: 0 0 6px; }
.rail .subtitle {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .16em;
  color: #8d8d8d;
  margin: 0 0 14px;
}
.rail-menu { display: grid; gap: 4px; margin-bottom: 16px; }
.rail-menu a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 10px;
  border-bottom: 2px solid #161616;
  color: var(--w);
  text-decoration: none;
  font-size: .94rem;
}
.rail-menu a:hover { background: var(--g); color: var(--k); }

.to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  width: 100%;
  padding: 8px 14px;
  border: 2px solid var(--b);
  border-radius: 999px;
  color: var(--w);
  text-decoration: none;
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .08em;
}
.to-top:hover { background: var(--b); }

/* ---- 页脚 ---- */
.site-foot {
  border-top: 4px solid var(--g);
  padding: 24px 16px 28px;
  background: var(--k);
}
.foot-big {
  font-size: clamp(2.5rem, 14vw, 7.5rem);
  line-height: .92;
  font-weight: 700;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 2px var(--g);
  margin-bottom: 20px;
  word-break: break-all;
}
.foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  border-top: 2px solid var(--line);
  padding-top: 16px;
}
.foot-cell { min-width: 0; }
.foot-logo a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: var(--w);
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
}
.foot-nav menu { display: flex; flex-wrap: wrap; gap: 2px 16px; }
.foot-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: #c8c8c8;
  font-size: .88rem;
  text-decoration: none;
}
.foot-nav a:hover { color: var(--g); }
.foot-copy {
  margin-left: auto;
  font-family: var(--mono);
  font-size: .78rem;
  color: #8a8a8a;
}
.foot-up a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 16px;
  border: 2px solid var(--g);
  border-radius: 999px;
  color: var(--g);
  font-size: .84rem;
  text-decoration: none;
}
.foot-up a:hover { background: var(--g); color: var(--k); }

/* ---- 出现动效 ---- */
.js .rv { opacity: 0; transform: translateY(16px); }
.js .rv.in {
  opacity: 1;
  transform: none;
  transition: opacity .26s steps(3), transform .26s steps(3);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .rv { opacity: 1; transform: none; transition: none; }
}

/* ---- 宽屏 ---- */
@media (min-width: 760px) {
  .masthead { padding: 10px 22px; gap: 18px; }
  .dock-menu { flex-wrap: wrap; overflow: visible; }
  .brand-txt { font-size: 1.1rem; }

  .hero { grid-template-columns: 1.02fr .98fr; align-items: stretch; }
  .hero-text {
    padding: 42px 26px 46px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .hero-fig { border-top: 0; border-left: 4px solid var(--g); }
  .hero-img, .hero-blank { max-height: none; height: 100%; min-height: 100%; }

  .board { grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; padding: 52px 22px 74px; }
  .rail { position: sticky; top: 96px; }
  .prose p, .prose ul, .prose ol { max-width: 68ch; }
}

@media (min-width: 1100px) {
  .hero-text { padding-left: 0; padding-right: 40px; }
  .hero-text > * { max-width: 640px; }
  .hero-text { align-items: flex-start; }
}
</｜DSML｜ parameter>
</｜DSML｜ invoke>
</｜DSML｜ calls>

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