:root {
  --bg-ink: #345d3f;
  --accent: #d98843;
  --accent-strong: #cd7a35;
  --accent-soft: #e6a062;
  --panel-edge: #8b7b63;
  --text: #215c34;
  --paper-top: #f2e8d5;
  --paper-mid: #e6d6ba;
  --paper-bottom: #d8c6a7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Noto Serif SC", serif;
  background: radial-gradient(circle at 15% 10%, #fff7e4 0, #eadbbe 44%, #cdb88f 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(120deg, rgba(255, 255, 255, 0.16) 10%, rgba(120, 90, 40, 0.08) 40%, rgba(255, 255, 255, 0.09) 80%),
    repeating-linear-gradient(45deg, rgba(138, 110, 72, 0.035) 0 2px, transparent 2px 8px);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  border-bottom: 2px solid #8f7d63;
  background: linear-gradient(180deg, #f7efdf, #e8d9bd);
  backdrop-filter: blur(3px);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 2px solid #7f6f58;
  background: linear-gradient(135deg, #e59c58, #cc7f3f);
  color: #fff6e6;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-family: "ZCOOL KuaiLe", cursive;
  font-size: 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

h1,
h3,
h4,
.tag {
  font-family: "ZCOOL KuaiLe", cursive;
}

h1 {
  margin: 0;
  font-size: 24px;
}

.topbar p {
  margin: 3px 0 0;
  font-size: 12px;
}

nav {
  display: flex;
  gap: 18px;
}

nav a {
  color: #2f693f;
  text-decoration: none;
  font-weight: 700;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

nav a:hover {
  border-color: #cc7e3f;
}

main {
  width: min(1120px, 94vw);
  margin: 26px auto 70px;
}

.card-surface {
  border: 2px solid var(--panel-edge);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--paper-top), var(--paper-mid) 40%, var(--paper-bottom) 100%);
  box-shadow: 0 14px 26px rgba(74, 54, 30, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.hero {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 20px;
  margin-bottom: 22px;
}

.hero-copy {
  padding: 26px;
}

.tag {
  margin: 0;
  color: #a8662a;
  letter-spacing: 1px;
}

.hero-copy h2 {
  margin: 8px 0 10px;
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.1;
  color: #1f5f38;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.hero-copy p {
  margin: 0;
  font-size: 17px;
}

.hero-points {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-points span {
  border: 1px solid #ab936d;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(255, 250, 236, 0.66);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

button {
  border: 2px solid #7a694d;
  border-radius: 999px;
  background: linear-gradient(180deg, #e8a560, #d88b46);
  color: #fff8eb;
  padding: 11px 20px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(115, 70, 22, 0.25);
}

.cta-main {
  animation: pulseGlow 2.2s ease-in-out infinite;
}

button.ghost {
  background: linear-gradient(180deg, #c6d7a9, #9eb881);
  color: #194c2e;
}

.hero-card {
  padding: 18px;
}

.hero-card h3 {
  margin-top: 2px;
  margin-bottom: 10px;
}

.status-list p {
  margin: 7px 0;
}

.status-tip {
  margin-top: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px dashed #977c57;
  background: rgba(252, 244, 226, 0.8);
  font-size: 14px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.feature-grid article {
  padding: 16px;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.feature-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 18px rgba(80, 60, 34, 0.18);
}

.feature-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: #fff6e8;
  background: linear-gradient(180deg, #df9954, #cb7c3a);
  border: 1px solid #9f6332;
}

.panel-wrap {
  padding: 16px;
  margin-bottom: 22px;
}

.panel-header {
  color: #2a7b42;
  font-weight: 700;
  margin-bottom: 10px;
}

.panel-section {
  margin-bottom: 14px;
  border: 1px solid #b39e7f;
  border-radius: 12px;
  padding: 10px;
  background: rgba(247, 235, 213, 0.82);
}

.panel-section h4 {
  margin: 0 0 10px;
  font-size: 18px;
  color: #2d7e42;
  padding: 6px 10px;
  background: linear-gradient(180deg, #e8aa6e, #dd944f);
  border: 1px solid #a66a36;
  border-radius: 10px;
  color: #295a33;
}

.checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 8px 12px;
}

label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
}

input[type="checkbox"] {
  width: 19px;
  height: 19px;
  border-radius: 6px;
  border: 2px solid #8f7659;
  accent-color: #d98a45;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7);
}

.slider-row,
.lang-row {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  height: 9px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ebe2cf, #cfb996);
  accent-color: #dd8e4a;
}

.value-pill {
  min-width: 95px;
  text-align: center;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid #a5835d;
  background: #efe5d3;
  font-weight: 700;
}

select {
  border: 1px solid #937a5f;
  border-radius: 8px;
  background: #efe5d2;
  padding: 7px 10px;
  color: #225c37;
  font-weight: 700;
  min-width: 180px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.trust-card {
  padding: 16px;
}

.trust-card h3 {
  margin-top: 2px;
  margin-bottom: 10px;
}

.trust-card ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.download {
  padding: 22px;
  text-align: center;
}

.note {
  font-size: 13px;
  opacity: 0.8;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 rgba(223, 139, 62, 0.2);
  }
  50% {
    box-shadow: 0 0 24px rgba(223, 139, 62, 0.44);
  }
  100% {
    box-shadow: 0 0 0 rgba(223, 139, 62, 0.2);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .checks {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  nav {
    display: none;
  }
}

@media (max-width: 560px) {
  .topbar {
    padding: 14px 16px;
  }

  main {
    width: min(1120px, 95vw);
    margin-top: 16px;
  }

  .hero-copy,
  .hero-card,
  .download,
  .trust-card {
    padding: 14px;
  }

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

  .slider-row,
  .lang-row {
    grid-template-columns: 1fr;
  }

  select {
    min-width: auto;
    width: 100%;
  }
}