:root {
  --green-900: #06251a;
  --green-800: #0b3b27;
  --green-700: #155b38;
  --green-500: #42bf5a;
  --green-300: #a9df9a;
  --mint: #edf8ec;
  --paper: #f7fbf3;
  --ink: #10251a;
  --muted: #5d6f63;
  --line: rgba(12, 64, 39, 0.14);
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Han Sans SC", "Source Han Sans CN", "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  margin: 0;
}

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

.site-shell {
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 8%, rgba(66, 191, 90, 0.2), transparent 34%),
    linear-gradient(180deg, #f9fff7 0%, var(--paper) 58%, #eef7eb 100%);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr;
  isolation: isolate;
  overflow: hidden;
}

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

.hero-media {
  z-index: -3;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.01);
}

.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(3, 30, 20, 0.9) 0%, rgba(8, 55, 35, 0.76) 32%, rgba(42, 111, 61, 0.32) 64%, rgba(226, 245, 218, 0.16) 100%),
    linear-gradient(180deg, rgba(1, 18, 12, 0.08) 0%, rgba(1, 18, 12, 0.2) 48%, rgba(1, 18, 12, 0.56) 100%);
}

.topbar {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  width: min(330px, 64vw);
  filter: drop-shadow(0 10px 24px rgba(2, 24, 15, 0.28));
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.domain {
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
  white-space: nowrap;
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.28);
}

.hero-content {
  width: min(1180px, calc(100% - 44px));
  align-self: center;
  margin: 0 auto;
  padding: 28px 0 96px;
  color: var(--white);
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: #bff0b3;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 940px;
  margin: 18px 0 0;
  font-size: clamp(46px, 7vw, 96px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: 0;
}

.slogan {
  width: fit-content;
  max-width: 100%;
  margin: 26px 0 0;
  padding: 12px 18px;
  border-left: 4px solid var(--green-500);
  color: #efffed;
  background: linear-gradient(90deg, rgba(66, 191, 90, 0.2), rgba(66, 191, 90, 0));
  font-size: clamp(20px, 2.4vw, 32px);
  line-height: 1.45;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 1.8vw, 23px);
  line-height: 1.78;
}

.business {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
  padding: 88px 0 92px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.56fr) minmax(240px, 0.44fr);
  align-items: end;
  gap: 44px;
  margin-bottom: 34px;
}

.section-head h2 {
  grid-column: 1;
  margin: 12px 0 0;
  color: var(--green-900);
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-kicker {
  color: var(--green-500);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: 520px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 26px 80px rgba(13, 68, 41, 0.16);
}

.scene-card {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  isolation: isolate;
  opacity: 0;
  transform: translateY(20px);
  animation: sceneRise 0.8s ease forwards;
}

.scene-card:nth-child(2) {
  animation-delay: 0.12s;
}

.scene-card:nth-child(3) {
  animation-delay: 0.24s;
}

.scene-card:nth-child(4) {
  animation-delay: 0.36s;
}

.scene-card + .scene-card {
  border-left: 1px solid rgba(255, 255, 255, 0.28);
}

.scene-card img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.scene-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(3, 27, 18, 0.08), rgba(3, 27, 18, 0.74)),
    linear-gradient(90deg, rgba(4, 39, 24, 0.26), rgba(4, 39, 24, 0));
}

.scene-card:hover img {
  transform: scale(1.045);
}

.scene-copy {
  height: 100%;
  min-height: 520px;
  padding: 34px 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
}

.scene-copy h3 {
  margin: 0;
  font-size: clamp(26px, 2.6vw, 38px);
  line-height: 1.12;
}

.scene-copy p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.55;
}

.closing {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto 34px;
  padding: 30px 0 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
}

.closing p {
  margin: 0;
  color: var(--green-900);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
}

.closing span {
  max-width: 520px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  text-align: right;
}

.footer{
    display: block;
    padding: 50px;
    text-align: center;
    border-top: 1px solid #333;
}

@keyframes sceneRise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: 100svh;
  }

  .hero-media img {
    object-position: 62% center;
  }

  .topbar,
  .hero-content,
  .business,
  .closing {
    width: min(100% - 32px, 760px);
  }

  .brand {
    width: min(280px, 68vw);
  }

  .domain {
    display: none;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 780px;
  }

  .scene-card,
  .scene-copy {
    min-height: 390px;
  }

  .scene-card + .scene-card {
    border-left: 0;
  }

  .scene-card:nth-child(2n) {
    border-left: 1px solid rgba(255, 255, 255, 0.28);
  }

  .scene-card:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.28);
  }

  .closing {
    display: block;
  }

  .closing span {
    display: block;
    margin-top: 12px;
    text-align: left;
  }
}

@media (max-width: 560px) {
  .topbar {
    padding-top: 18px;
  }

  .brand {
    width: min(230px, 76vw);
  }

  .hero-content {
    padding: 18px 0 70px;
  }

  .eyebrow,
  .section-kicker {
    font-size: 15px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .slogan {
    font-size: 21px;
  }

  .lead {
    font-size: 17px;
  }

  .business {
    padding: 58px 0 64px;
  }

  .scene-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .scene-card,
  .scene-copy {
    min-height: 300px;
  }

  .scene-card:nth-child(2n) {
    border-left: 0;
  }

  .scene-card:nth-child(n + 2) {
    border-top: 1px solid rgba(255, 255, 255, 0.28);
  }

  .scene-copy {
    padding: 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scene-card {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .scene-card img {
    transition: none;
  }
}
