:root {
  --ink: #16221f;
  --muted: #5c6763;
  --line: #dce5df;
  --paper: #fbfcf8;
  --white: #ffffff;
  --green: #277558;
  --green-dark: #174d3d;
  --mint: #dff4e8;
  --amber: #c98720;
  --clay: #b45735;
  --blue: #2f6f9f;
  --shadow: 0 22px 70px rgba(22, 34, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 64px);
  background: rgba(251, 252, 248, 0.88);
  border-bottom: 1px solid rgba(220, 229, 223, 0.8);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.hero-actions,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  min-width: 0;
}

.brand span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--green-dark);
  border-radius: 8px;
}

.nav {
  gap: 28px;
  color: var(--muted);
  font-size: 15px;
}

.nav a:hover {
  color: var(--green-dark);
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
}

.header-action {
  padding: 0 18px;
  color: var(--white);
  background: var(--green-dark);
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 108px clamp(20px, 6vw, 76px) 72px;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(251, 252, 248, 0.98) 0%, rgba(251, 252, 248, 0.84) 38%, rgba(251, 252, 248, 0.26) 74%),
    linear-gradient(0deg, rgba(251, 252, 248, 0.92), rgba(251, 252, 248, 0.08) 48%);
}

.hero-content {
  position: relative;
  max-width: 680px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 620px;
  margin-bottom: 22px;
  font-size: clamp(38px, 5.8vw, 64px);
  line-height: 1.05;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 570px;
  margin-bottom: 30px;
  color: #3d4b47;
  font-size: 19px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.button {
  border: 0;
  padding: 0 24px;
  cursor: pointer;
  font-size: 16px;
}

.button.primary {
  color: var(--white);
  background: var(--green-dark);
  box-shadow: 0 12px 26px rgba(23, 77, 61, 0.24);
}

.button.secondary {
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 77, 61, 0.18);
}

.section {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.company-copy p,
.product-band p,
.contact-section p {
  color: var(--muted);
  font-size: 18px;
}

.company-section {
  display: block;
  padding: clamp(30px, 5vw, 54px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 34, 31, 0.05);
}

.company-section h2 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(30px, 4vw, 46px);
}

.company-copy {
  max-width: 920px;
}

.company-copy p:last-child {
  margin-bottom: 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.app-card {
  min-height: 260px;
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 0 20px;
  align-items: start;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 34px rgba(22, 34, 31, 0.05);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.app-card:hover {
  transform: translateY(-3px);
  border-color: rgba(39, 117, 88, 0.28);
  box-shadow: 0 16px 42px rgba(22, 34, 31, 0.1);
}

.app-icon {
  width: 72px;
  height: 72px;
  grid-row: span 5;
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(22, 34, 31, 0.15);
  object-fit: cover;
}

.app-category {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.app-card h3 span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.app-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.apps-section {
  padding-top: 44px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 34px rgba(22, 34, 31, 0.05);
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-icon {
  display: grid;
  width: 50px;
  height: 44px;
  margin-bottom: 20px;
  place-items: center;
  color: var(--white);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.leaf {
  background: var(--green);
}

.bug {
  background: var(--clay);
}

.coin {
  background: var(--amber);
}

.book {
  background: var(--blue);
}

.cms {
  background: #66533a;
}

.api {
  background: #485b64;
}

.product-band {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: clamp(28px, 6vw, 74px);
  align-items: center;
}

.phone-preview {
  position: relative;
  width: min(100%, 356px);
  min-height: 640px;
  margin: 0 auto;
  padding: 18px 18px 20px;
  background: linear-gradient(145deg, #0d1412, #26302d);
  border: 12px solid #151d1b;
  border-radius: 44px;
  box-shadow: 0 28px 80px rgba(22, 34, 31, 0.22);
  overflow: hidden;
}

.phone-preview::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 50%;
  width: 96px;
  height: 26px;
  background: #0a0f0e;
  border-radius: 0 0 18px 18px;
  transform: translateX(-50%);
  z-index: 2;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  padding: 7px 18px 18px;
  color: #e7f1ec;
  font-size: 12px;
  font-weight: 800;
}

.phone-appbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px 16px;
  color: var(--white);
}

.phone-appbar span {
  font-size: 24px;
  font-weight: 900;
}

.phone-appbar small {
  color: #9fbbb0;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.scan-card {
  min-height: 310px;
  padding: 18px;
  color: var(--white);
  background: linear-gradient(160deg, #356b51, #18231f 68%);
  border-radius: 22px;
}

.scan-frame {
  position: relative;
  display: block;
  height: 190px;
  margin-bottom: 22px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.scan-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.scan-frame::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 2px solid rgba(223, 244, 232, 0.84);
  border-radius: 14px;
  box-shadow: 0 0 0 999px rgba(13, 25, 21, 0.08);
  pointer-events: none;
}

.scan-card p {
  margin-bottom: 2px;
  color: var(--white);
  font-size: 22px;
  font-weight: 800;
}

.scan-card small {
  color: #cae7d7;
}

.result-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.result-list span {
  padding: 13px 14px;
  color: #d9e6e0;
  background: #1b2522;
  border-radius: 8px;
}

.phone-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
  padding: 10px;
  color: #a9beb5;
  background: #121b18;
  border-radius: 18px;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.phone-tabs span:first-child {
  color: var(--white);
  background: #277558;
  border-radius: 12px;
  padding: 8px 4px;
}

.phone-tabs span:not(:first-child) {
  padding: 8px 4px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: #344541;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 900;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-grid article {
  padding-top: 22px;
  border-top: 2px solid var(--line);
}

.process-grid span {
  color: var(--amber);
  font-weight: 900;
}

.process-grid p {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  margin-bottom: 42px;
  padding: 48px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-email {
  margin-top: 22px;
  font-weight: 800;
}

.contact-email a {
  color: var(--green-dark);
  border-bottom: 2px solid rgba(23, 77, 61, 0.22);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #33413d;
  font-weight: 700;
}

.contact-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  color: var(--ink);
  background: #f6f8f5;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

.contact-form input:focus {
  outline: 3px solid rgba(39, 117, 88, 0.18);
  border-color: var(--green);
}

.site-footer {
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 76px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 860px) {
  .site-header {
    position: sticky;
    gap: 14px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 650px;
    padding-top: 72px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(251, 252, 248, 0.98) 0%, rgba(251, 252, 248, 0.86) 54%, rgba(251, 252, 248, 0.42) 100%),
      linear-gradient(0deg, rgba(251, 252, 248, 0.94), rgba(251, 252, 248, 0.18));
  }

  .product-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .apps-grid,
  .feature-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-section {
    padding: 30px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand span:last-child {
    display: inline;
    max-width: 190px;
    font-size: 14px;
  }

  .header-action {
    min-height: 40px;
    padding: 0 14px;
    font-size: 14px;
  }

  .hero {
    min-height: 700px;
    padding-inline: 18px;
  }

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

  .section {
    width: min(100% - 32px, 1140px);
    padding: 62px 0;
  }

  .company-section {
    padding: 26px;
  }

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

  .app-card {
    grid-template-columns: 1fr;
  }

  .app-icon {
    grid-row: auto;
    margin-bottom: 18px;
  }

  .phone-preview {
    min-height: 620px;
  }

  .site-footer {
    display: grid;
  }
}