@charset "UTF-8";

:root {
  --ink: #14210B;
  --ink-2: #1B2C10;
  --ink-3: #233717;
  --lime: #84CC16;
  --lime-soft: #B6E86A;
  --text: #EEF6E3;
  --muted: #A3B795;
  --line: #31491F;
  --shell: 1160px;
  --header-height: 72px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 14px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--ink);
  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: 3px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--lime-soft);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 18px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(20, 33, 11, .96);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), 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: 20px; font-weight: 900; letter-spacing: -.2px; }
.brand img { width: 34px; height: 34px; border-radius: 8px; object-fit: contain; background: var(--ink-3); }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--lime);
  border-radius: 4px;
  color: var(--lime);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(12px, 1.7vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 6px 0; color: var(--muted); font-size: 13px; font-weight: 700; }
.primary-nav a:hover { color: var(--lime); }
.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: 7px;
  padding: 0 16px;
  border-radius: 6px;
  background: var(--lime);
  color: #14210B;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .16s ease;
}
.nav-download:hover { background: var(--lime-soft); }
.nav-download svg, .button svg, .banner-dl svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--ink-3); cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--text); 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 banner */
.hero { position: relative; background: var(--ink); }
.banner { background: var(--lime); color: #14210B; }
.banner-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  padding: 16px 0;
}
.banner-stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  margin: 0;
  border: 3px solid #14210B;
  border-radius: 50%;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1;
}
.banner-copy h1 { margin: 0; font-size: clamp(30px, 3.6vw, 46px); font-weight: 900; letter-spacing: -1.2px; line-height: 1.1; }
.banner-copy .hero-subtitle { margin: 3px 0 0; font-size: 13.5px; font-weight: 800; }
.banner-dl {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  background: #14210B;
  color: var(--lime);
  font-size: 13.5px;
  font-weight: 900;
  white-space: nowrap;
}
.banner-dl:hover { background: #233717; }

/* hero body */
.hero-body {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  align-items: stretch;
  gap: clamp(20px, 3.4vw, 44px);
  padding: 34px 0 34px;
}
.hero-copy { display: flex; flex-direction: column; min-width: 0; }
.hero-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; color: var(--muted); font-family: var(--mono); font-size: 11.5px; letter-spacing: 1px; }
.hero-kicker b { padding: 1px 8px; border-radius: 4px; background: var(--lime); color: #14210B; font-size: 11px; }
.hero-lead { max-width: 500px; margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.ep-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.ep-grid li {
  position: relative;
  padding: 10px 10px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--ink-2);
}
.ep-grid b {
  display: block;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
}
.ep-grid span { display: block; margin-top: 5px; font-size: 12.5px; font-weight: 800; line-height: 1.4; }
.ep-grid small { display: block; margin-top: 3px; color: var(--muted); font-size: 10.5px; }
.ep-grid li:first-child { border-color: var(--lime); background: var(--ink-3); }

.hero-shot { justify-self: end; width: 100%; max-width: 366px; margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--ink-2); overflow: hidden; }
.hero-shot img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: top center; }
.hero-shot figcaption { padding: 10px 12px 11px; border-top: 1px solid var(--line); }
.hero-shot figcaption b { display: block; color: var(--lime); font-size: 12px; letter-spacing: .5px; }
.hero-shot figcaption span { color: var(--muted); font-size: 11px; }

.hero-progress { display: flex; align-items: center; gap: 16px; margin-top: auto; padding-top: 26px; }
.hero-progress p { max-width: 430px; margin: 0; color: var(--muted); font-size: 12.5px; }
.ring {
  position: relative;
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: conic-gradient(var(--lime) 0 62%, #2C4120 62% 100%);
}
.ring::before { position: absolute; inset: 8px; border-radius: 50%; content: ""; background: var(--ink); }
.ring span { position: relative; color: var(--lime); font-family: var(--mono); font-size: 16px; font-weight: 700; line-height: 1; }
.ring i { margin-left: 1px; font-size: 11px; font-style: normal; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 12px;
  padding: 0 26px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
  transition: background .16s ease;
}
.button-primary { background: var(--lime); color: #14210B; }
.button-primary:hover { background: var(--lime-soft); }
.button-large { min-height: 54px; padding: 0 30px; }

/* features */
.features { padding: 58px 0 62px; background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading { margin-bottom: 22px; }
.section-heading h2 { margin: 0; font-size: clamp(23px, 2.6vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 600px; margin: 8px 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: 20px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.feature-list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 210px) minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
}
.feature-list b { color: var(--lime); font-family: var(--mono); font-size: 26px; font-weight: 700; line-height: 1; }
.feature-list h3 { margin: 0; font-size: 16.5px; font-weight: 900; }
.feature-list p { margin: 0; color: var(--muted); font-size: 13px; }

/* shots */
.shots { padding: 60px 0 66px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--ink-2); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: top center; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 10px; padding: 11px 14px 12px; 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: 13.5px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 58px 0 64px; background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 6px; }
.faq-list details { padding: 0 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--ink); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 14.5px; font-weight: 900; line-height: 1.5; }
.faq-list summary i { position: relative; flex: none; width: 18px; height: 18px; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 10px; 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 0 14px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

/* reviews */
.reviews { padding: 60px 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 {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink-2);
}
.review-list li:nth-child(even) { margin-top: 26px; }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 10px; margin-bottom: 6px; }
.review-meta b { color: var(--lime); font-size: 13px; font-weight: 900; }
.review-meta time { color: #7F926F; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: var(--text); font-size: 12.8px; line-height: 1.8; }

/* steps */
.steps { padding: 58px 0 64px; background: var(--ink-2); border-top: 1px solid var(--line); }
.steps-layout { display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); }
.steps-heading { position: sticky; top: calc(var(--header-height) + 22px); align-self: start; margin-bottom: 0; }
.step-list { padding: 0; margin: 0; list-style: none; border-right: 2px solid var(--line); }
.step-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  gap: 14px;
  padding: 14px 20px 14px 16px;
  border-bottom: 1px solid var(--line);
}
.step-list li:last-child { border-bottom: 0; }
.step-list span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--lime);
  border-radius: 50%;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}
.step-list h3 { margin: 0 0 3px; font-size: 15.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.8px; }

/* download */
.download { padding: 30px 0 34px; }
.download-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(20px, 4vw, 46px);
  padding: 34px clamp(20px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(360px 220px at 8% 20%, rgba(132, 204, 22, .22), transparent 72%),
    var(--ink-2);
}
.download h2 { margin: 0; font-size: clamp(22px, 2.5vw, 30px); font-weight: 900; letter-spacing: -.4px; }
.download-copy > p:not(.eyebrow) { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 13px 0 0; margin: 14px 0 0; border-top: 1px solid var(--line); list-style: none; }
.download-notes li { color: var(--lime-soft); font-family: var(--mono); font-size: 10.5px; }

/* footer */
.site-footer { padding: 34px 0 44px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 36px; align-items: start; }
.footer-brand strong { font-size: 17px; font-weight: 900; color: var(--lime); }
.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: var(--muted); 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: 18px; padding-top: 14px; 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: #7F926F; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .banner-inner { grid-template-columns: auto minmax(0, 1fr); gap: 14px 18px; }
  .banner-dl { grid-column: 2; justify-self: start; }
  .hero-body { grid-template-columns: 1fr; }
  .hero-shot { max-width: 320px; }
  .feature-list li { grid-template-columns: 62px minmax(0, 180px) minmax(0, 1fr); gap: 12px; }
  .steps-layout { grid-template-columns: 1fr; }
  .steps-heading { position: static; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 24px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--ink);
  }
  .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); }
}
@media (max-width: 768px) {
  .page-shell, .nav-shell { width: calc(100% - 36px); }
  .banner-inner { padding: 14px 0; }
  .banner-stamp { width: 52px; height: 52px; font-size: 15px; border-width: 2px; }
  .hero-body { padding: 24px 0 6px; }
  .hero-shot { justify-self: center; max-width: 400px; }
  .ep-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features, .shots, .faq, .reviews, .steps { padding: 44px 0 48px; }
  .feature-list li { grid-template-columns: 52px minmax(0, 1fr); gap: 4px 12px; }
  .feature-list b { font-size: 22px; grid-row: span 2; }
  .feature-list p { grid-column: 2; }
  .faq-list { grid-template-columns: 1fr; }
  .review-list { grid-template-columns: 1fr; }
  .review-list li:nth-child(even) { margin-top: 0; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .download-inner { grid-template-columns: 1fr; gap: 18px; }
  .download-copy { order: 2; }
  .download-inner .button { justify-self: start; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .brand { font-size: 16.5px; gap: 7px; }
  .brand img { width: 29px; height: 29px; }
  .brand-tag { display: none; }
  .nav-download { min-height: 34px; padding: 0 10px; font-size: 11.5px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 34px; height: 34px; }
  .banner-copy h1 { font-size: 26px; letter-spacing: -.6px; }
  .banner-copy .hero-subtitle { font-size: 12px; }
  .banner-stamp { width: 46px; height: 46px; font-size: 13px; }
  .banner-dl { width: 100%; justify-content: center; min-height: 40px; font-size: 12.5px; }
  .hero-shot { max-width: none; }
  .hero-progress { align-items: flex-start; padding-top: 18px; }
  .ring { width: 64px; height: 64px; }
  .ring span { font-size: 16px; }
  .button { width: 100%; }
  .shot-grid { grid-template-columns: 1fr; gap: 12px; }
  .download-inner { padding: 26px 18px; }
  .download-notes { flex-direction: column; gap: 4px; }
}