:root {
  --site-bg: #f4f8ec;
  --site-panel: rgba(255, 255, 255, 0.78);
  --site-panel-strong: rgba(255, 255, 255, 0.92);
  --site-line: rgba(27, 38, 8, 0.08);
  --site-text: #152006;
  --site-text-soft: rgba(21, 32, 6, 0.68);
  --site-text-faint: rgba(21, 32, 6, 0.52);
  --site-primary-start: #7bdc3f;
  --site-primary-mid: #d8f37e;
  --site-primary-end: #eaf64c;
  --site-shadow: 0 26px 70px rgba(79, 102, 24, 0.12);
  --site-radius-xl: 36px;
  --site-radius-lg: 28px;
  --site-radius-md: 20px;
  --site-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--site-text);
  background:
    radial-gradient(circle at 12% 10%, rgba(239, 248, 180, 0.9), transparent 24%),
    radial-gradient(circle at 88% 16%, rgba(123, 220, 63, 0.28), transparent 20%),
    radial-gradient(circle at 50% 90%, rgba(255, 255, 255, 0.86), transparent 24%),
    linear-gradient(180deg, #f7faef 0%, #eef4e3 52%, #f6f8ef 100%);
  min-height: 100vh;
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(10px);
  z-index: 0;
}

body::before {
  top: 72px;
  right: -80px;
  width: 280px;
  height: 280px;
  background: rgba(233, 246, 76, 0.36);
}

body::after {
  left: -70px;
  bottom: 120px;
  width: 240px;
  height: 240px;
  background: rgba(123, 220, 63, 0.2);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(247, 250, 239, 0.72);
  border-bottom: 1px solid rgba(27, 38, 8, 0.05);
}

.site-nav {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-brand__logo {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(111, 149, 24, 0.18);
}

.site-brand__text strong {
  display: block;
  font-size: 18px;
  letter-spacing: 0.02em;
}

.site-brand__text span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--site-text-faint);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--site-text-soft);
  font-size: 14px;
}

.site-nav__cta {
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid rgba(21, 32, 6, 0.08);
  background: var(--site-panel-strong);
  box-shadow: 0 10px 24px rgba(27, 38, 8, 0.08);
  font-weight: 600;
}

.site-main {
  padding: 28px 24px 80px;
}

.section {
  max-width: var(--site-width);
  margin: 0 auto 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(420px, 0.9fr);
  gap: 30px;
  align-items: stretch;
}

.hero__copy,
.hero__visual,
.showcase__card,
.highlights__list article,
.scenes__panel,
.downloads__main,
.faq__item,
.footer__inner {
  border: 1px solid var(--site-line);
  background: var(--site-panel);
  box-shadow: var(--site-shadow);
  backdrop-filter: blur(18px);
}

.hero__copy {
  border-radius: 42px;
  padding: 42px;
  position: relative;
  overflow: hidden;
}

.hero__copy::before {
  content: '';
  position: absolute;
  top: -56px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0) 72%);
}

.hero__eyebrow,
.section-heading__eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(245, 251, 213, 0.94), rgba(255, 240, 194, 0.96));
  color: #5f6c21;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__title {
  margin: 22px 0 0;
  max-width: 10em;
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero__subtitle {
  margin: 22px 0 0;
  max-width: 640px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--site-text-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero__meta-card {
  min-width: 160px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(27, 38, 8, 0.06);
}

.hero__meta-card strong {
  display: block;
  font-size: 22px;
}

.hero__meta-card span {
  display: block;
  margin-top: 6px;
  color: var(--site-text-faint);
  font-size: 13px;
}

.hero__note {
  margin-top: 16px;
  color: var(--site-text-faint);
  font-size: 13px;
}

.hero__visual {
  border-radius: 42px;
  padding: 26px;
  position: relative;
  overflow: hidden;
}

.hero__visual::before {
  content: '';
  position: absolute;
  inset: 20px;
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(123, 220, 63, 0.22), rgba(234, 246, 76, 0.08)),
    rgba(255, 255, 255, 0.68);
}

.hero__visual-main,
.hero__visual-badge {
  position: relative;
  z-index: 1;
}

.hero__visual-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 460px;
}

.hero__device {
  width: min(100%, 480px);
  filter: drop-shadow(0 24px 42px rgba(62, 89, 12, 0.22));
}

.hero__visual-badge {
  position: absolute;
  right: 20px;
  bottom: 20px;
  width: 168px;
  padding: 16px;
  border-radius: 24px;
  background: rgba(21, 32, 6, 0.82);
  color: #f8faee;
  box-shadow: 0 16px 28px rgba(21, 32, 6, 0.2);
}

.hero__visual-badge img {
  width: 92px;
  margin-bottom: 12px;
}

.hero__visual-badge strong {
  display: block;
  font-size: 16px;
}

.hero__visual-badge span {
  display: block;
  margin-top: 6px;
  line-height: 1.6;
  color: rgba(248, 250, 238, 0.72);
  font-size: 13px;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  font: inherit;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary,
.btn--secondary,
.download-card__button {
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
}

.btn--primary,
.download-card__button {
  color: #142002;
  background: linear-gradient(135deg, var(--site-primary-start), var(--site-primary-mid) 54%, var(--site-primary-end));
  box-shadow: 0 16px 34px rgba(123, 220, 63, 0.28);
}

.btn--secondary {
  color: var(--site-text);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(21, 32, 6, 0.08);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.section-heading h2 {
  margin: 14px 0 0;
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-heading p {
  max-width: 540px;
  margin: 14px 0 0;
  color: var(--site-text-soft);
  line-height: 1.8;
}

.highlights__list,
.scenes__grid,
.downloads__grid {
  display: grid;
  gap: 20px;
}

.highlights__list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.highlights__list article {
  border-radius: 26px;
  padding: 24px;
}

.highlights__icon {
  width: 56px;
  height: 56px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(123, 220, 63, 0.22), rgba(234, 246, 76, 0.46));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.highlights__list h3,
.downloads__main h3,
.faq__item h3 {
  margin: 18px 0 10px;
  font-size: 22px;
}

.highlights__list p,
.downloads__main p,
.faq__item p,
.showcase__copy p {
  margin: 0;
  color: var(--site-text-soft);
  line-height: 1.8;
}

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 24px;
}

.showcase__card {
  border-radius: 34px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

.showcase__card::after {
  content: '';
  position: absolute;
  right: -54px;
  bottom: -78px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 220, 63, 0.26), rgba(123, 220, 63, 0));
}

.showcase__card img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  filter: drop-shadow(0 28px 48px rgba(80, 102, 19, 0.18));
}

.showcase__copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scenes__panel {
  border-radius: 32px;
  padding: 30px;
}

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

.scenes__panel strong {
  display: block;
  font-size: 20px;
  margin-bottom: 10px;
}

.downloads__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: 24px;
}

.downloads__main {
  border-radius: 34px;
  padding: 32px;
}

.downloads__grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 26px;
}

.download-card {
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(21, 32, 6, 0.06);
}

.download-card__badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(21, 32, 6, 0.08);
  color: var(--site-text-soft);
  font-size: 12px;
  font-weight: 700;
}

.download-card__platform {
  margin: 14px 0 8px;
  font-size: 20px;
  font-weight: 700;
}

.download-card__hint {
  margin: 0 0 18px;
  min-height: 46px;
  color: var(--site-text-soft);
  line-height: 1.7;
  font-size: 14px;
}

.downloads__aside {
  border-radius: 34px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.28));
  border: 1px solid rgba(21, 32, 6, 0.06);
  box-shadow: var(--site-shadow);
}

.downloads__aside img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
}

.faq__list {
  display: grid;
  gap: 16px;
}

.faq__item {
  border-radius: 24px;
  padding: 24px 26px;
}

.footer {
  padding: 0 24px 28px;
}

.footer__inner {
  max-width: var(--site-width);
  margin: 0 auto;
  border-radius: 30px;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer__meta strong,
.footer__meta span,
.footer__contact span {
  display: block;
}

.footer__meta span,
.footer__contact span {
  margin-top: 8px;
  color: var(--site-text-faint);
  font-size: 14px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%) translateY(16px);
  min-width: 240px;
  max-width: calc(100vw - 32px);
  padding: 14px 18px;
  border-radius: 999px;
  background: rgba(21, 32, 6, 0.9);
  color: #f9faef;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 18px 34px rgba(21, 32, 6, 0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 40;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1120px) {
  .hero,
  .showcase,
  .downloads__wrap {
    grid-template-columns: 1fr;
  }

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

  .hero__title {
    font-size: 48px;
  }
}

@media (max-width: 720px) {
  .site-nav {
    padding: 16px;
  }

  .site-nav__links {
    display: none;
  }

  .site-main,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero__copy,
  .hero__visual,
  .downloads__main,
  .scenes__panel,
  .footer__inner,
  .showcase__card {
    border-radius: 28px;
  }

  .hero__copy,
  .hero__visual,
  .downloads__main,
  .showcase__card,
  .scenes__panel,
  .faq__item {
    padding: 22px;
  }

  .hero__title {
    font-size: 38px;
    max-width: none;
  }

  .hero__subtitle,
  .section-heading p {
    font-size: 15px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .highlights__list,
  .scenes__grid,
  .downloads__grid {
    grid-template-columns: 1fr;
  }

  .hero__meta-card {
    flex: 1 1 calc(50% - 12px);
    min-width: 0;
  }

  .hero__visual-main {
    min-height: 300px;
  }

  .hero__visual-badge {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 14px;
  }

  .downloads__aside img {
    max-height: 280px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}