:root {
  --bg: #111111;
  --ink: #f4f4f5;
  --mute: #a1a1aa;
  --lime: #84cc16;
  --line: #333333;
  --foot: #000000;
  --panel: #161616;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0;
}

html {
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Arial Narrow", Arial, "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

img,
svg {
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--lime);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1200px, calc(100% - 20px));
  margin: 0 auto;
}

.site-header {
  height: 38px;
  border-bottom: 1px solid var(--line);
  background: #0d0d0d;
}

.header-inner {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  color: var(--lime);
  font-weight: 700;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand svg {
  width: 16px;
  height: 16px;
}

.nav {
  display: flex;
  gap: 18px;
}

.nav a {
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  text-decoration: none;
}

.nav a.is-current,
.nav a:hover {
  color: var(--lime);
  text-decoration: none;
}

.hero {
  padding: 18px 0 8px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

.hero-copy {
  grid-column: span 8;
  border: 1px solid var(--line);
  padding: 16px 18px;
  background: var(--panel);
}

.hero-copy h1 {
  font-size: 1.7rem;
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero-copy p {
  color: var(--mute);
  margin-bottom: 8px;
}

.hero-copy p:last-child {
  margin-bottom: 0;
}

.hero-panel {
  grid-column: span 4;
  background: var(--lime);
  color: #111111;
  border: 1px solid var(--lime);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.hero-panel .kicker {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero-panel p {
  font-size: 14px;
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid #111111;
  background: #111111;
  color: #f4f4f5;
  font-weight: 700;
  text-decoration: none;
  font-family: inherit;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn:hover {
  color: var(--lime);
  text-decoration: none;
}

.btn-win {
  width: 100%;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.icon-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 10px 0 0;
  border: 1px solid var(--line);
}

.icon-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.icon-cell:last-child {
  border-right: 0;
}

.icon-cell svg {
  width: 18px;
  height: 18px;
}

main section {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--lime);
  flex: 0 0 8px;
}

h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 6px;
}

p {
  margin-bottom: 10px;
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  color: var(--mute);
  margin-bottom: 12px;
}

.mod-3,
.mod-2 {
  display: grid;
  gap: 8px;
}

.mod-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mod-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
}

.panel p {
  color: var(--mute);
  font-size: 15px;
}

.os-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 12px;
}

thead {
  background: #000000;
}

th {
  color: var(--lime);
  font-weight: 700;
  text-align: left;
  border: 1px solid var(--line);
  padding: 8px 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  color: var(--ink);
  background: var(--panel);
  font-size: 14px;
}

.spec-list {
  list-style: none;
  display: grid;
  gap: 6px;
}

.spec-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  border: 1px solid var(--line);
  background: var(--panel);
}

.spec-idx {
  color: var(--lime);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line);
}

.spec-body {
  padding: 10px 12px;
}

.spec-body strong {
  display: block;
  margin-bottom: 4px;
}

.spec-body p {
  color: var(--mute);
  font-size: 15px;
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.term {
  border: 1px solid var(--line);
  background: #0a0a0a;
  padding: 10px 12px;
  font-size: 14px;
}

.term .prompt {
  color: var(--lime);
  letter-spacing: 0.08em;
  font-size: 12px;
  margin-bottom: 6px;
}

.term p {
  color: var(--ink);
}

.news-list {
  list-style: none;
  display: grid;
  gap: 6px;
}

.news-list li {
  border: 1px solid var(--line);
  padding: 10px 12px;
  background: var(--panel);
}

.news-list time {
  display: inline-block;
  font-family: "Courier New", "Arial Narrow", monospace;
  color: var(--lime);
  letter-spacing: 0.04em;
  margin-right: 10px;
  font-size: 13px;
}

.news-list strong {
  display: inline;
}

.news-list p {
  margin-top: 6px;
  color: var(--mute);
  font-size: 14px;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--line);
  padding: 10px 12px;
  background: var(--panel);
}

.faq-q {
  color: var(--lime);
  font-weight: 700;
  margin-bottom: 6px;
}

.faq-q::before {
  content: "Q ";
  letter-spacing: 0.08em;
}

.faq-item p {
  color: var(--mute);
}

.cta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.site-footer {
  background: var(--foot);
  color: var(--mute);
  padding: 18px 0 22px;
  border-top: 1px solid var(--lime);
}

.site-footer .brand {
  margin-bottom: 10px;
}

.site-footer p {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--lime);
}

.site-footer p:last-of-type {
  margin-bottom: 10px;
}

.foot-nav {
  display: flex;
  gap: 16px;
}

.foot-nav a {
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
}

@media (max-width: 980px) {
  .hero-copy,
  .hero-panel {
    grid-column: span 12;
  }

  .mod-3,
  .os-grid,
  .term-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .header-inner {
    gap: 8px;
  }

  .nav {
    gap: 10px;
  }

  .nav a {
    letter-spacing: 0.1em;
  }

  .icon-strip,
  .mod-3,
  .mod-2,
  .os-grid,
  .term-grid,
  .cta-row {
    grid-template-columns: 1fr;
  }

  .icon-cell {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .icon-cell:last-child {
    border-bottom: 0;
  }
}