:root {
  --board: #1c2a24;
  --chalk: #e8f0c8;
  --dust: #9cb38a;
  --line: #3a4d42;
  --hi: #f2d27a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Courier New", "PingFang SC", "Microsoft YaHei", monospace;
  color: var(--chalk);
  background: var(--board);
  line-height: 1.65;
}
img { max-width:100%;height:auto; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1040px, calc(100% - 40px)); margin-inline: auto; }
nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #16221d;
  border-bottom: 1px dashed var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 60px;
}
.brand { font-weight: 700; letter-spacing: 0.08em; }
.links { display: flex; gap: 18px; font-size: 0.88rem; color: var(--dust); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--hi);
  color: var(--hi);
  padding: 8px 16px;
}
.ghost { padding: 8px 12px; color: var(--dust); border-bottom: 1px dashed var(--dust); }
.hero { padding: 56px 0 40px; }
.kicker { color: var(--hi); letter-spacing: 0.2em; font-size: 0.78rem; margin-bottom: 10px; }
.hero h1, .page-head h1 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.25;
}
.thesis {
  font-size: clamp(1.25rem, 2.8vw, 1.8rem);
  color: var(--hi);
  margin: 12px 0;
}
.lead { color: var(--dust); margin-bottom: 8px; }
.chalk {
  margin: 28px 0;
  border: 1px dashed var(--line);
  padding: 8px;
}
.row {
  display: grid;
  grid-template-columns: 48px 1fr 1.6fr;
  gap: 12px;
  padding: 14px 12px;
  border-bottom: 1px dashed var(--line);
  align-items: center;
}
.row:last-child { border-bottom: 0; }
.row.hi { background: rgba(242,210,122,0.08); color: var(--hi); }
.row i { font-style: normal; color: var(--dust); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.section { padding: 76px 0; }
.head { margin-bottom: 26px; max-width: 38em; }
.head p, .card p, details p, .person, .scene { color: var(--dust); }
.grid6, .cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.card, .download-card {
  border: 1px dashed var(--line);
  padding: 16px;
}
.icon { color: var(--hi); margin-bottom: 6px; }
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}
.split img, .shot img, .cta img {
  width: 100%;
  object-fit: cover;
  border: 1px dashed var(--line);
}
.scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 16px 0 18px;
}
.scene {
  border: 1px dashed var(--line);
  padding: 10px 12px;
  display: flex;
  gap: 8px;
  color: var(--chalk);
}
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.review { border-top: 1px dashed var(--hi); padding: 16px 0; }
.review p { color: var(--chalk); }
.person { margin-top: 12px; display: flex; flex-direction: column; }
.visual { padding: 0 0 76px; }
.metrics { display: flex; gap: 22px; margin: 16px 0; }
.metrics b { display: block; font-size: 1.3rem; color: var(--hi); }
.metrics small { color: var(--dust); }
.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 28px;
}
details { border-bottom: 1px dashed var(--line); padding: 12px 0; }
summary { cursor: pointer; font-weight: 700; }
.cta { border-top: 1px dashed var(--line); padding: 36px 0; }
.cta-in {
  display: grid;
  grid-template-columns: 0.7fr 1.1fr auto;
  gap: 20px;
  align-items: center;
}
.cta img { height: 110px; object-fit: cover; }
footer {
  padding: 36px 0 18px;
  color: var(--dust);
  border-top: 1px dashed var(--line);
}
.footer {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.footer h4 { color: var(--hi); margin-bottom: 8px; }
.footer a { display: block; margin: 6px 0; }
.copy { border-top: 1px dashed var(--line); padding-top: 12px; font-size: 0.82rem; }
.page-head { padding: 48px 0 12px; }
.help-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
}
.side a { display: block; padding: 8px 0; border-bottom: 1px dashed var(--line); color: var(--dust); }
.article { margin-bottom: 36px; }
.article .shot { margin: 14px 0; }
.policy { margin-top: 14px; padding: 14px; border: 1px dashed var(--line); }
@media (max-width: 900px) {
  .grid6, .cards, .review-grid, .split, .faq-layout, .footer, .help-layout, .cta-in, .row {
    grid-template-columns: 1fr;
  }
  .links { display: none; }
}
@media (max-width: 640px) {
  .scene-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}