:root {
  --bg: #0c1412;
  --bg-elevated: #13201c;
  --ink: #e8f0ec;
  --muted: #9bb0a6;
  --line: rgba(232, 240, 236, 0.12);
  --accent: #c8f06a;
  --accent-deep: #7ea83a;
  --warm: #d9b58c;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --font-display: "Instrument Serif", "Songti SC", "Noto Serif SC", serif;
  --font-body: "Outfit", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #0a100e;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

figure {
  margin: 0;
}

ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

li + li {
  margin-top: 0.4rem;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(14px);
  background: rgba(12, 20, 18, 0.62);
  border-bottom: 1px solid rgba(232, 240, 236, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.brand-mark {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  box-shadow: 0 0 18px rgba(200, 240, 106, 0.45);
  animation: pulse-mark 3.5s ease-in-out infinite;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.9rem 1.2rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.nav a {
  position: relative;
  transition: color 0.25s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

.nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 7rem 1.5rem 4.5rem;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: hero-zoom 18s ease-in-out infinite alternate;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 14, 12, 0.35) 0%, rgba(8, 14, 12, 0.55) 42%, rgba(8, 14, 12, 0.92) 100%),
    linear-gradient(90deg, rgba(8, 14, 12, 0.7) 0%, rgba(8, 14, 12, 0.25) 55%, rgba(8, 14, 12, 0.45) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  animation: rise 0.95s ease-out both;
}

.hero-brand {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 3.8vw, 2.5rem);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6.5vw, 4.4rem);
  font-weight: 400;
  line-height: 1.12;
}

.hero-lead {
  margin: 1.35rem 0 0;
  max-width: 38rem;
  color: rgba(232, 240, 236, 0.82);
  font-size: 1.05rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1.35rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #142016;
}

.btn-primary:hover {
  background: #d6f78a;
}

.btn-ghost {
  border: 1px solid rgba(232, 240, 236, 0.22);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  border-color: rgba(200, 240, 106, 0.5);
}

.section {
  width: min(100%, calc(var(--max) + 3rem));
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.6rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-deep);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
}

.section-desc {
  margin: 0.95rem 0 0;
  color: var(--muted);
}

.intro {
  background:
    radial-gradient(700px 280px at 100% 0%, rgba(200, 240, 106, 0.08), transparent 60%),
    linear-gradient(180deg, #0d1613 0%, #0a100e 100%);
  width: 100%;
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.intro-grid,
.section-head,
.biz-blocks,
.value-row,
.about-layout,
.contact-panel {
  width: min(100%, calc(var(--max) + 3rem));
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.intro-grid {
  display: grid;
  gap: 2rem;
}

.intro-copy p {
  margin: 1rem 0 0;
  color: var(--muted);
  max-width: 40rem;
}

.intro-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.stat {
  padding: 1.1rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(19, 32, 28, 0.65);
}

.stat strong {
  display: block;
  font-size: 1rem;
  font-weight: 500;
}

.stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.biz-blocks {
  display: grid;
  gap: 3.2rem;
  padding-left: 0;
  padding-right: 0;
}

.biz-block {
  display: grid;
  gap: 1.4rem;
  align-items: center;
}

.biz-visual {
  overflow: hidden;
  border-radius: 1.2rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-height: 240px;
}

.biz-visual img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.biz-block:hover .biz-visual img {
  transform: scale(1.04);
}

.biz-num {
  display: inline-block;
  margin-bottom: 0.55rem;
  color: var(--warm);
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.biz-copy h3 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 500;
}

.biz-copy > p {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.values {
  width: 100%;
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  background:
    linear-gradient(180deg, rgba(200, 240, 106, 0.04), transparent 40%),
    #0d1613;
}

.value-row {
  display: grid;
  gap: 1rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.value-row article {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}

.value-row h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  font-weight: 500;
}

.value-row p {
  margin: 0;
  color: var(--muted);
}

.about-layout {
  display: grid;
  gap: 1.6rem;
  padding-left: 0;
  padding-right: 0;
}

.about-visual {
  overflow: hidden;
  border-radius: 1.2rem;
  border: 1px solid var(--line);
  min-height: 280px;
}

.about-visual img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.about-copy > p {
  margin: 1rem 0 0;
  color: var(--muted);
}

.about-meta {
  margin: 1.6rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.about-meta div {
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.about-meta dt {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.about-meta dd {
  margin: 0.3rem 0 0;
  font-size: 1.02rem;
}

.contact {
  padding-bottom: 5.5rem;
}

.contact-panel {
  display: grid;
  gap: 2rem;
  padding: 2rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background:
    linear-gradient(160deg, rgba(200, 240, 106, 0.07), transparent 42%),
    rgba(19, 32, 28, 0.78);
  box-shadow: var(--shadow);
}

.contact-copy p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  max-width: 34rem;
}

.contact-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.contact-domain {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  color: var(--accent);
  letter-spacing: 0.02em;
  transition: opacity 0.2s ease;
}

.contact-domain:hover {
  opacity: 0.85;
}

.contact-note {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
}

.footer-inner {
  width: min(100%, calc(var(--max) + 3rem));
  margin: 0 auto;
  padding: 2rem 1.5rem 2.4rem;
  text-align: center;
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.footer-copy {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-icp {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
}

.footer-icp a {
  color: var(--muted);
  border-bottom: 1px solid rgba(155, 176, 166, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-icp a:hover {
  color: var(--accent);
  border-color: rgba(200, 240, 106, 0.55);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-zoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.1);
  }
}

@keyframes pulse-mark {
  0%,
  100% {
    box-shadow: 0 0 12px rgba(200, 240, 106, 0.35);
  }
  50% {
    box-shadow: 0 0 22px rgba(200, 240, 106, 0.7);
  }
}

@media (min-width: 768px) {
  .site-header {
    padding: 1.15rem 2.5rem;
  }

  .nav {
    gap: 1.35rem;
    font-size: 0.92rem;
  }

  .hero {
    padding: 8rem 2.5rem 5.5rem;
  }

  .intro-grid,
  .section-head,
  .biz-blocks,
  .value-row,
  .about-layout {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }

  .intro-grid {
    grid-template-columns: 1.35fr 0.9fr;
    align-items: start;
    gap: 2.5rem;
  }

  .biz-block {
    grid-template-columns: 1.05fr 1fr;
    gap: 2.2rem;
  }

  .biz-block.reverse .biz-visual {
    order: 2;
  }

  .biz-block.reverse .biz-copy {
    order: 1;
  }

  .biz-visual,
  .biz-visual img {
    min-height: 320px;
  }

  .value-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .value-row article {
    padding: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 1.4rem;
  }

  .value-row article:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .about-layout {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 2.4rem;
  }

  .about-visual,
  .about-visual img {
    min-height: 420px;
  }

  .contact-panel {
    grid-template-columns: 1.3fr 0.9fr;
    align-items: end;
    padding: 2.6rem;
  }
}

@media (max-width: 640px) {
  .nav {
    display: none;
  }

  .hero {
    align-items: flex-end;
    padding-top: 6.2rem;
  }

  .intro-stats {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-content,
  .hero-media img,
  .brand-mark {
    animation: none !important;
  }

  .biz-block:hover .biz-visual img {
    transform: none;
  }
}