@charset "UTF-8";

:root {
  --brand: #87c122;
  --brand-deep: #3d7a0e;
  --brand-soft: #c0d960;
  --ink: #2e2623;
  --muted: #6e675f;
  --bg: #fbfdf7;
  --bg-green: #f1f7e6;
  --card: #ffffff;
  --border: #e5ead8;
  --border-strong: #c9dbb8;
  --white: #ffffff;
  --radius: 5px;
  --radius-sm: 5px;
  --container: 1200px;
  --nav-h: 72px;
  --shadow: 0 10px 30px rgba(46, 38, 35, 0.06);
  --shadow-lg: 0 18px 48px rgba(61, 122, 14, 0.16);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section-title {
  font-size: 32px;
  line-height: 1.3;
  letter-spacing: -0.5px;
}

.section-sub {
  color: var(--muted);
  font-size: 15px;
  margin-top: 10px;
}

.icon {
  display: inline-block;
  flex: 0 0 auto;
  line-height: 1;
}

.icon::before {
  content: "";
  display: block;
  width: 1em;
  height: 1em;
  background: center / contain no-repeat;
}

.icon-globe::before {
  background-image: url("../icons/globe.svg");
}

.icon-arrow-right::before {
  background-image: url("../icons/arrow-right.svg");
}

.icon-chevron::before {
  background-image: url("../icons/chevron-down.svg");
}

.icon-download::before {
  background-image: url("../icons/download.svg");
}

.icon-download-dark::before {
  background-image: url("../icons/download-dark.svg");
}

.icon-check::before {
  background-image: url("../icons/check.svg");
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--bg);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 20px;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-menu a {
  display: block;
  padding: 8px 14px;
  color: var(--ink);
  font-size: 15px;
  border-radius: 5px;
  transition: color 0.2s, background 0.2s;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--brand-deep);
  background: var(--bg-green);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--brand-deep);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 5px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: #31630b;
  box-shadow: var(--shadow-lg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 5px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background: var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% 12%, rgba(192, 217, 96, 0.35), transparent 42%),
    radial-gradient(circle at 4% 88%, rgba(135, 193, 34, 0.16), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  align-items: center;
  gap: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-green);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 600;
  border-radius: 5px;
}

.hero h1 {
  font-size: 52px;
  line-height: 1.15;
  letter-spacing: -1px;
  margin: 18px 0 16px;
}

.hero h1 em {
  font-style: normal;
  color: var(--brand-deep);
}

.hero-desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--brand-deep);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 5px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.hero-download .icon {
  font-size: 20px;
}

.hero-download:hover {
  background: #31630b;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero-hint {
  font-size: 13px;
  color: var(--muted);
}

.hero-update {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  z-index: 1;
}

.hero-phone {
  position: relative;
  width: 300px;
  border-radius: 5px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.hero-phone img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  background: #fff;
  border-radius: 5px;
  box-shadow: 0 14px 40px rgba(46, 38, 35, 0.1);
}

.hero-card-main {
  left: -48px;
  top: 180px;
  width: 260px;
  padding: 18px 20px 16px;
  border: 1px solid var(--border);
}

.hero-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.hero-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.2px;
}

.hero-card-tag {
  padding: 3px 10px;
  background: var(--bg-green);
  color: var(--brand-deep);
  font-size: 11px;
  font-weight: 700;
  border-radius: 5px;
}

.hero-card-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: 5px;
}

.hc-badge {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  border-radius: 5px;
}

.hc-badge-1 {
  background: var(--brand-deep);
}

.hc-badge-2 {
  background: #6ea82f;
}

.hc-badge-3 {
  background: #95c24a;
}

.hc-info {
  flex: 1;
  min-width: 0;
}

.hc-info strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}

.hc-info span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hc-label {
  flex: 0 0 auto;
  padding: 3px 10px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  border-radius: 5px;
}

.hc-label-go {
  background: var(--brand-deep);
  color: #fff;
  border-color: var(--brand-deep);
}

.hc-label-new {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.hero-card-stat {
  right: 0;
  bottom: 56px;
  width: 128px;
  padding: 16px 16px 14px;
  background: linear-gradient(140deg, #fff, #f7fbe9);
  border: 1px solid var(--border);
  text-align: left;
}

.hero-stat-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.hero-stat-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--brand-deep);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.hero-stat-value span {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-left: 2px;
}

.hero-stat-sub {
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
}

.hero-dots {
  position: absolute;
  right: -24px;
  bottom: 34px;
  width: 96px;
  height: 96px;
  background:
    radial-gradient(circle, var(--brand) 3px, transparent 3.5px);
  background-size: 20px 20px;
  opacity: 0.5;
}

/* Features */
.features {
  padding: 72px 0;
  background: var(--card);
}

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  position: relative;
  padding: 28px 28px 28px 92px;
  background: var(--bg-green);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 150px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-card .num {
  position: absolute;
  left: 24px;
  top: 26px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-deep);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 5px;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--muted);
  font-size: 15px;
}

/* Screenshots */
.screenshots {
  padding: 72px 0;
  background: var(--bg);
}

.shots-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.shot figure {
  margin: 0;
}

.shot .frame {
  padding: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 5px;
  box-shadow: var(--shadow);
}

.shot .frame img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.shot figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}

/* Reading module */
.reading {
  padding: 72px 0;
  background: var(--card);
}

.reading-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: center;
}

.reading-visual {
  position: relative;
}

.reading-visual .frame {
  position: relative;
  width: 260px;
  margin: 0 auto;
  padding: 10px;
  background: var(--bg-green);
  border-radius: 5px;
  box-shadow: var(--shadow-lg);
}

.reading-visual .frame img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.reading-list {
  list-style: none;
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.reading-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--ink);
}

.reading-list .icon {
  font-size: 20px;
  margin-top: 2px;
}

.reading-list strong {
  display: block;
  font-size: 16px;
  margin-bottom: 2px;
}

.reading-list p {
  color: var(--muted);
  font-size: 14px;
}

/* FAQ */
.faq {
  padding: 72px 0;
  background: var(--bg-green);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  margin: 0;
}

.faq-q button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.faq-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.faq-q .icon {
  font-size: 20px;
  transition: transform 0.25s;
}

.faq-q button[aria-expanded="true"] .icon {
  transform: rotate(180deg);
}

.faq-a {
  padding: 0 22px;
}

.faq-a p {
  padding: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
}

.faq-a[hidden] {
  display: none;
}

/* Official website */
.official {
  padding: 56px 0;
  background: var(--card);
}

.official-card {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

.official-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: #fff;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.official-toggle .icon-globe {
  font-size: 24px;
}

.official-label {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.official-toggle .icon-arrow-right {
  font-size: 22px;
  transition: transform 0.25s;
}

.official-toggle[aria-expanded="true"] .icon-arrow-right {
  transform: rotate(90deg);
}

.official-link {
  display: inline-block;
  margin: 0 24px 24px 62px;
  font-size: 14px;
  font-weight: 600;
}

.official-link[hidden] {
  display: none;
}

/* Reviews */
.reviews {
  padding: 72px 0;
  background: var(--bg);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.review-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.review-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-green);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
  border-radius: 5px;
}

.review-card blockquote {
  flex: 1;
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.8;
}

.review-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.review-avatar {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
}

.review-info {
  display: flex;
  flex-direction: column;
}

.review-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.review-time {
  font-size: 12px;
  color: var(--muted);
}

/* Download */
.download {
  padding: 72px 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(192, 217, 96, 0.4), transparent 45%),
    linear-gradient(160deg, #3d7a0e, #6cb01c);
  color: #fff;
}

.download-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.download h2 {
  font-size: 34px;
  margin-bottom: 12px;
}

.download p {
  font-size: 16px;
  opacity: 0.92;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 16px 40px;
  background: #fff;
  color: var(--brand-deep);
  font-size: 17px;
  font-weight: 700;
  border-radius: 5px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.download-btn .icon {
  font-size: 22px;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

.download-note {
  margin-top: 16px;
  font-size: 13px;
  opacity: 0.8;
}

/* Footer */
.site-footer {
  background: #241e1b;
  color: #d7d3c8;
  padding: 48px 0 32px;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 5px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  color: #d7d3c8;
  font-size: 14px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
  color: #9d978b;
  text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 340px;
    gap: 32px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-phone {
    width: 260px;
  }

  .hero-card-main {
    left: -40px;
    width: 230px;
  }

  .hero-card-stat {
    right: 0;
    width: 112px;
  }

  .shots-track {
    grid-template-columns: repeat(2, 1fr);
  }

  .reading-grid {
    grid-template-columns: 300px 1fr;
    gap: 36px;
  }
}

@media (max-width: 860px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 24px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu a {
    padding: 14px 12px;
    font-size: 16px;
  }

  .nav-cta {
    padding: 9px 16px;
    font-size: 14px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 48px 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-copy .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    justify-content: flex-end;
    margin-top: 12px;
  }

  .hero-card-main {
    left: auto;
    right: 8px;
    top: 16px;
    width: 210px;
    padding: 14px 16px 12px;
  }

  .hero-card-stat {
    right: -8px;
    bottom: 36px;
    width: 104px;
    padding: 12px 12px 10px;
  }

  .hero-stat-value {
    font-size: 24px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .reading-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 600px) {
  .container {
    padding: 0 18px;
  }

  .section-title {
    font-size: 26px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .hero-visual {
    --phone-w: clamp(160px, 48vw, 200px);
  }

  .hero-phone {
    width: var(--phone-w);
  }

  .hero-card-main {
    left: 6px;
    right: calc(var(--phone-w) - 30px);
    top: 85px;
    width: auto;
    max-width: 210px;
    padding: 10px 12px 9px;
  }

  .hero-card-title {
    font-size: 13px;
  }

  .hero-card-list li {
    padding: 8px 10px;
    gap: 8px;
  }

  .hc-badge {
    width: 24px;
    height: 24px;
    font-size: 10px;
    border-radius: 5px;
  }

  .hc-info strong {
    font-size: 12px;
  }

  .hc-info span {
    font-size: 11px;
  }

  .hc-label {
    padding: 2px 8px;
    font-size: 10px;
  }

  .hero-card-stat {
    right: -6px;
    bottom: 26px;
    width: 86px;
    padding: 10px 10px 8px;
  }

  .hero-stat-value {
    font-size: 20px;
  }

  .hero-stat-value span {
    font-size: 12px;
  }

  .hero-stat-sub {
    font-size: 10px;
  }

  .hero-dots {
    right: -16px;
    bottom: 20px;
    width: 64px;
    height: 64px;
  }

  .shots-track {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .shot {
    flex: 0 0 78%;
    scroll-snap-align: start;
  }

  .review-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px 16px;
    text-align: center;
  }

  .footer-copy {
    text-align: center;
  }
}