:root {
  color-scheme: light;
  --text: #172033;
  --muted: #5b6475;
  --line: #dfe7ef;
  --green: #23b26d;
  --blue: #2563eb;
  --orange: #f59e0b;
  --paper: #ffffff;
  --soft: #f4f8f7;
}

* {
  box-sizing: border-box;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 1.04fr);
  align-items: center;
  gap: clamp(28px, 6vw, 78px);
  padding: clamp(36px, 7vw, 84px) clamp(18px, 6vw, 84px) 52px;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 14px;
  padding: 6px 10px;
  color: #126e47;
  background: #e4f7ec;
  border: 1px solid #bcebd0;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

.subtitle {
  max-width: 610px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
}

.primary {
  color: #fff;
  background: var(--text);
}

.secondary {
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(440px, 100%);
  aspect-ratio: 0.74;
  padding: 22px;
  background: #fff;
  border: 1px solid #d4dde7;
  border-radius: 34px;
  box-shadow: 0 28px 70px rgba(18, 32, 51, 0.16);
}

.phone-bar {
  width: 92px;
  height: 6px;
  margin: 0 auto 22px;
  background: #d6dde6;
  border-radius: 999px;
}

.asset-total,
.search,
.asset-grid div {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbff;
}

.asset-total {
  padding: 16px;
  color: var(--muted);
}

.asset-total strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 30px;
}

.search {
  margin-top: 12px;
  padding: 12px 14px;
  color: var(--muted);
}

.room {
  position: relative;
  height: 170px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 16px;
  background: linear-gradient(180deg, #eff9f1 0%, #f8fbff 100%);
  border: 1px solid #d9eadf;
}

.room::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 14%;
  height: 46%;
  border: 2px solid #a6d8bd;
  transform: skewX(-12deg);
  background: rgba(255, 255, 255, 0.65);
}

.sofa,
.cabinet,
.box {
  position: absolute;
  display: block;
  border-radius: 8px;
}

.sofa {
  left: 22%;
  bottom: 24%;
  width: 32%;
  height: 24%;
  background: #23b26d;
}

.cabinet {
  right: 18%;
  bottom: 26%;
  width: 22%;
  height: 42%;
  background: #2563eb;
}

.box {
  right: 30%;
  bottom: 19%;
  width: 14%;
  height: 14%;
  background: #f59e0b;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.asset-grid div {
  min-height: 74px;
  padding: 12px;
}

.asset-grid b,
.asset-grid span {
  display: block;
}

.asset-grid span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.band,
.workflow {
  padding: 58px clamp(18px, 6vw, 84px);
  background: #fff;
}

.band h2,
.workflow h2 {
  margin: 0 0 24px;
  font-size: 30px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #fff;
  background: var(--green);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 800;
}

article h3 {
  margin: 14px 0 8px;
  font-size: 18px;
}

article p,
.workflow span {
  color: var(--muted);
  line-height: 1.65;
}

.workflow {
  background: var(--soft);
}

ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

li {
  min-height: 130px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  counter-increment: steps;
}

li::before {
  content: counter(steps);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 14px;
  color: #fff;
  background: var(--text);
  border-radius: 50%;
  font-weight: 800;
}

li strong,
li span {
  display: block;
}

li strong {
  margin-bottom: 8px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  padding: 28px 18px;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 900px) {
  .hero,
  .feature-grid,
  ol {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  nav {
    gap: 12px;
    font-size: 13px;
  }
}