@charset "UTF-8";

:root {
  --bg: #14120C;
  --bg-2: #1B1810;
  --panel: #232015;
  --line: #3A3520;
  --ink: #F3EFE2;
  --muted: #B6AC8C;
  --grass: #65A30D;
  --lime: #BEF264;
  --soil: #78350F;
  --shell: 1180px;
  --header-height: 68px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 16px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { display: block; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 44px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.4;
}
.eyebrow::before { width: 12px; height: 12px; content: ""; background: var(--grass); box-shadow: 6px -6px 0 -3px var(--soil); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(20, 18, 12, .95);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 44px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
  gap: 18px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 9px; font-size: 19px; font-weight: 900; letter-spacing: .2px; }
.brand img { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 4px; object-fit: contain; background: #2A2617; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  background: var(--grass);
  color: #10130A;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(11px, 1.8vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 6px 0; border-bottom: 1px solid transparent; color: #BDB395; font-size: 12.5px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--lime); color: #fff; }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid #4E7A0C;
  border-radius: 4px;
  background: linear-gradient(180deg, #6FAF12, var(--grass));
  color: #0C1006;
  font-size: 12.5px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 3px 0 #33530A;
  transition: transform .16s ease, box-shadow .16s ease;
}
.nav-download:hover { transform: translateY(2px); box-shadow: 0 1px 0 #33530A; }
.nav-download svg, .button svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; stroke-linejoin: miter; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(540px 320px at 12% 0%, rgba(101, 163, 13, .22), transparent 70%),
    linear-gradient(180deg, #201C11 0%, var(--bg) 92%);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(22px, 3.6vw, 52px);
  padding: 58px 0 96px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 15px;
  color: #BDB395;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
}
.hero-kicker b {
  padding: 3px 7px;
  border-radius: 3px;
  background: var(--soil);
  color: #FBD9B5;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(38px, 5.6vw, 68px);
  font-weight: 900;
  letter-spacing: -.8px;
  line-height: 1.04;
}
.hero-subtitle {
  margin: 15px 0 0;
  color: var(--lime);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-lead { max-width: 500px; margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 12px;
  padding: 0 26px;
  border: 1px solid #4E7A0C;
  border-radius: 4px;
  font-size: 13.5px;
  font-weight: 900;
  transition: transform .16s ease, box-shadow .16s ease;
}
.button-primary { background: linear-gradient(180deg, #6FAF12, var(--grass)); color: #0C1006; box-shadow: 0 4px 0 #33530A; }
.button-primary:hover { transform: translateY(2px); box-shadow: 0 2px 0 #33530A; }
.button-large { min-height: 52px; padding: 0 32px; font-size: 14.5px; }
.text-link { color: #D9D2B8; border-bottom: 1px dashed #5A5230; font-size: 12.5px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--lime); }

.version-panel {
  min-width: 0;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(160deg, rgba(101, 163, 13, .12), transparent 58%), #1E1B11;
  box-shadow: 0 18px 34px rgba(0, 0, 0, .4);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 10px; color: var(--lime); font-family: var(--mono); font-size: 10.5px; letter-spacing: 1.6px; }
.panel-head b { color: var(--muted); font-weight: 700; }
.version-list { padding: 0; margin: 0; list-style: none; }
.version-list li {
  display: grid;
  grid-template-columns: 18px minmax(74px, auto) minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  margin-bottom: 8px;
  border: 1px solid #332F1D;
  border-radius: 4px;
  background: #191710;
}
.version-list li:last-child { margin-bottom: 0; }
.version-list i { width: 14px; height: 14px; border: 2px solid #4E4830; border-radius: 2px; background: #12100A; }
.version-list b { font-family: var(--mono); font-size: 14px; font-weight: 700; white-space: nowrap; }
.version-list small { color: var(--muted); font-size: 11.5px; text-align: right; }
.version-list li.is-on { border-color: #5A7A18; background: linear-gradient(90deg, rgba(101, 163, 13, .18), #191710 62%); }
.version-list li.is-on i { border-color: var(--lime); background: var(--lime); box-shadow: inset 0 0 0 3px #191710; }
.version-list li.is-on b { color: #fff; }
.panel-foot { padding: 11px 0 0; margin: 11px 0 0; border-top: 1px dashed #3A3520; color: #9A9276; font-size: 11px; }
.pixel-ground {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 64px;
  background-image:
    linear-gradient(90deg, rgba(101, 163, 13, .4) 0 50%, rgba(101, 163, 13, .12) 50% 100%),
    linear-gradient(0deg, rgba(120, 53, 15, .62) 0 50%, transparent 50% 100%);
  background-size: 22px 22px;
  border-top: 2px solid #4C421C;
  opacity: .9;
  mask-image: linear-gradient(180deg, transparent, #000 46%);
  pointer-events: none;
}

/* features */
.features { padding: 66px 0 72px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 28px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.7vw, 33px); font-weight: 900; letter-spacing: -.4px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 600px; margin: 11px 0 0; color: var(--muted); font-size: 13.5px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 280px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.feature-card {
  position: relative;
  padding: 20px 18px 19px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #201D12;
  box-shadow: inset 0 3px 0 var(--grass);
}
.feature-no { display: block; margin-bottom: 9px; color: var(--soil); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 6px; font-size: 16.5px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.6px; line-height: 1.8; }

/* shots */
.shots { padding: 66px 0 72px; }
.shot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: minmax(0, auto); gap: 14px; }
.shot-card { display: flex; flex-direction: column; margin: 0; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 5 / 3; object-fit: cover; object-position: center 40%; }
.shot-lead { grid-row: span 2; }
.shot-lead img { flex: 1 1 auto; height: 100%; min-height: 200px; aspect-ratio: auto; object-fit: cover; }
.shot-card:last-child { grid-column: span 2; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 8px; padding: 10px 12px 11px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--lime); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 12.8px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 64px 0 70px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(22px, 3.6vw, 50px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }
.faq-list { border: 1px solid var(--line); border-radius: 4px; background: #1E1B11; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 0; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 14.8px; font-weight: 900; }
.faq-list summary i { position: relative; flex: none; width: 18px; height: 18px; border: 2px solid #4E4830; border-radius: 2px; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 8px; height: 2px; content: ""; background: var(--lime); transform: translate(-50%, -50%); }
.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .2s ease; }
.faq-list details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-list details p { padding: 0 18px 15px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

/* reviews */
.reviews { padding: 66px 0 74px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card {
  display: grid;
  grid-template-columns: minmax(0, 132px) minmax(0, 1fr);
  gap: 4px 16px;
  align-items: start;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--grass);
  border-radius: 4px;
  background: #201D12;
}
.review-meta { display: flex; flex-direction: column; gap: 2px; }
.review-meta b { color: var(--lime); font-size: 12.8px; font-weight: 900; }
.review-meta time { color: #8A8266; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #CFC7AB; font-size: 12.6px; line-height: 1.75; }

/* steps */
.steps { padding: 64px 0 70px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.step-list li { padding: 20px 18px 18px; border: 1px solid var(--line); border-radius: 4px; background: #201D12; }
.step-list span { display: block; margin-bottom: 9px; color: var(--lime); font-family: var(--mono); font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.step-list h3 { margin: 0 0 5px; font-size: 15.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.6px; line-height: 1.75; }

/* download */
.download { padding: 26px 0; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 40px clamp(22px, 4.4vw, 52px) 38px;
  border: 1px solid #4A3A16;
  border-radius: 6px;
  background:
    radial-gradient(420px 220px at 8% 0%, rgba(101, 163, 13, .24), transparent 72%),
    linear-gradient(120deg, #2A2413, #1C190F 82%);
}
.download-copy { min-width: 0; }
.download-copy > p { max-width: 480px; margin: 11px 0 0; color: #D5CDB1; font-size: 13.5px; }
.download .button-primary { box-shadow: 0 4px 0 #33530A; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 13px 0 0; margin: 15px 0 0; border-top: 1px dashed #4A4322; list-style: none; }
.download-notes li { color: #C4D89A; font-family: var(--mono); font-size: 10.5px; }
.download-notes li::before { margin-right: 7px; content: "+"; color: var(--soil); }

/* footer */
.site-footer { padding: 38px 0 46px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 38px; align-items: start; }
.footer-brand strong { font-size: 17px; font-weight: 900; }
.footer-brand p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: #BDB395; font-size: 12px; }
.footer-nav a:hover { color: var(--lime); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }
.footer-meta a { color: var(--muted); }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #8A8266; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; padding: 46px 0 88px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .shot-lead img { min-height: 170px; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 22px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 16px 26px rgba(0, 0, 0, .62);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 11px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; padding: 38px 0 84px; }
  .hero-copy { order: -1; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@media (max-width: 768px) {
  .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-lead { grid-row: auto; grid-column: span 2; }
  .shot-lead img { height: auto; aspect-ratio: 16 / 9; min-height: 0; }
  .shot-card:last-child { grid-column: span 2; }
  .shot-card img { aspect-ratio: 16 / 10; }
  .review-list { grid-template-columns: 1fr; gap: 10px; }
  .step-list { grid-template-columns: 1fr; gap: 10px; }
  .download-inner { grid-template-columns: 1fr; gap: 20px; padding: 32px 22px 30px; }
  .download .button { justify-self: start; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 28px); }
  .hero h1 { font-size: clamp(32px, 10.4vw, 44px); }
  .hero-subtitle { font-size: 16px; }
  .hero-lead { font-size: 13.5px; }
  .version-panel { padding: 15px 13px 12px; }
  .version-list li { grid-template-columns: 16px minmax(62px, auto) minmax(0, 1fr); gap: 8px; padding: 10px 8px; }
  .version-list b { font-size: 12.5px; }
  .version-list small { font-size: 10.5px; }
  .feature-grid { grid-template-columns: 1fr; }
  .shot-grid { grid-template-columns: 1fr; }
  .shot-lead, .shot-card:last-child { grid-column: auto; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .review-card { grid-template-columns: 1fr; gap: 6px; }
  .review-meta { flex-direction: row; align-items: baseline; justify-content: space-between; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-notes { gap: 5px 13px; }
}
@media (max-width: 380px) {
  .brand { font-size: 15px; gap: 6px; }
  .brand img { width: 28px; height: 28px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 7px; }
  .nav-download { min-height: 33px; padding: 0 7px; font-size: 10px; gap: 4px; }
  .nav-download svg { width: 12px; height: 12px; }
  .menu-toggle { width: 33px; height: 33px; }
  .hero h1 { font-size: 30px; }
  .pixel-ground { height: 48px; }
}