:root {
  --ink: #f7f3e8;
  --muted: #b9b2a2;
  --deep: #090a0b;
  --panel: #121315;
  --line: rgba(238, 221, 181, 0.18);
  --gold: #d4aa5a;
  --gold-strong: #f0c46c;
  --stone: #d7d0c1;
  --shadow: rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  color: var(--ink);
  background: var(--deep);
  letter-spacing: 0;
  overflow-x: hidden;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 72px);
  background: linear-gradient(180deg, rgba(7, 8, 9, 0.88), rgba(7, 8, 9, 0.2));
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 218px;
}

.brand-mark {
  display: block;
  width: 72px;
  height: 54px;
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  font-weight: 600;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 34px);
  color: rgba(247, 243, 232, 0.84);
  font-size: 14px;
}

.site-nav a {
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.site-nav a:hover {
  color: var(--gold-strong);
}

.nav-cta {
  border: 1px solid rgba(240, 196, 108, 0.5);
  padding: 11px 18px;
  color: var(--gold-strong);
}

.nav-cta:hover {
  background: rgba(212, 170, 90, 0.12);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 140px clamp(20px, 6vw, 86px) 78px;
}

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

.hero-media {
  background-image: url("assets/hero-real-estate.png");
  background-position: center;
  background-size: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 5, 6, 0.94) 0%, rgba(4, 5, 6, 0.74) 34%, rgba(4, 5, 6, 0.18) 68%, rgba(4, 5, 6, 0.56) 100%),
    linear-gradient(180deg, rgba(4, 5, 6, 0.12) 0%, rgba(4, 5, 6, 0.78) 100%);
}

.hero-content {
  position: relative;
  width: min(720px, 100%);
  padding-top: 42px;
}

.brand-line,
.section-index {
  color: var(--gold-strong);
  font-size: 14px;
}

.hero h1 {
  margin: 22px 0 26px;
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-size: clamp(50px, 8vw, 118px);
  font-weight: 500;
  line-height: 0.98;
}

.hero-copy {
  max-width: 630px;
  margin: 0;
  color: rgba(247, 243, 232, 0.82);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid rgba(240, 196, 108, 0.54);
  font-size: 15px;
  font-weight: 600;
}

.button.primary {
  border-color: transparent;
  color: #111;
  background: linear-gradient(135deg, #f6d98e, #b88735);
}

.button.ghost {
  color: var(--gold-strong);
  background: rgba(6, 7, 8, 0.38);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 780px;
  margin: 74px 0 0;
  border-top: 1px solid var(--line);
}

.hero-proof div {
  padding: 20px 22px 0 0;
}

.hero-proof dt {
  color: var(--muted);
  font-size: 13px;
}

.hero-proof dd {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 600;
}

section {
  padding: 100px clamp(20px, 6vw, 86px);
}

.section-copy {
  display: grid;
  grid-template-columns: minmax(220px, 520px) minmax(220px, 520px);
  gap: clamp(32px, 7vw, 110px);
  align-items: end;
}

.section-copy h2,
.service h2,
.contact h2 {
  margin: 14px 0 0;
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-size: clamp(34px, 5vw, 66px);
  font-weight: 500;
  line-height: 1.08;
}

.section-copy p,
.contact-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.intro {
  background: linear-gradient(180deg, #090a0b, #111214);
}

.intro .section-copy {
  grid-template-columns: 80px minmax(0, 920px);
  align-items: start;
}

.intro .section-copy h2 {
  max-width: 920px;
  font-size: clamp(40px, 4.7vw, 72px);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 62px;
  background: var(--line);
}

.intro-grid article,
.project-card {
  background: var(--panel);
  padding: clamp(28px, 4vw, 46px);
}

.intro-grid strong,
.project-card h3,
.service li strong {
  font-size: 22px;
  font-weight: 600;
}

.intro-grid p,
.project-card p,
.service li span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.projects {
  background:
    radial-gradient(circle at 80% 20%, rgba(212, 170, 90, 0.16), transparent 34%),
    #0c0d0f;
}

.project-list {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 18px;
  margin-top: 58px;
}

.project-card {
  min-height: 330px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.project-card.featured {
  min-height: 420px;
  background:
    linear-gradient(180deg, rgba(18, 19, 21, 0.12), rgba(18, 19, 21, 0.9)),
    url("assets/hero-real-estate.png") center / cover;
}

.project-card span {
  color: var(--gold-strong);
  font-size: 13px;
}

.project-card h3 {
  margin: 13px 0 8px;
}

.service {
  background: #111214;
}

.service-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(34px, 6vw, 86px);
  padding: clamp(34px, 6vw, 70px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01));
  box-shadow: 0 32px 90px var(--shadow);
}

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

.service li {
  display: grid;
  gap: 8px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.service li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.news {
  background:
    radial-gradient(circle at 18% 22%, rgba(212, 170, 90, 0.12), transparent 30%),
    #090a0b;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin-top: 58px;
  background: var(--line);
  border: 1px solid var(--line);
}

.news-card {
  min-height: 318px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  padding: clamp(24px, 3vw, 34px);
  background: rgba(18, 19, 21, 0.96);
  transition: transform 180ms ease, background 180ms ease;
}

.news-card:hover {
  transform: translateY(-4px);
  background: rgba(26, 27, 29, 0.98);
}

.news-card time {
  color: var(--gold-strong);
  font-size: 13px;
}

.news-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.45;
}

.news-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.contact {
  display: grid;
  grid-template-columns: minmax(260px, 560px) minmax(260px, 1fr);
  gap: clamp(34px, 7vw, 112px);
  align-items: center;
  background:
    linear-gradient(90deg, rgba(9, 10, 11, 0.92), rgba(9, 10, 11, 0.72)),
    url("assets/hero-real-estate.png") center / cover;
}

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

.contact-actions a {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(240, 196, 108, 0.34);
  color: var(--ink);
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.contact-actions a::after {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  transform: rotate(45deg);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 6vw, 86px);
  color: rgba(247, 243, 232, 0.62);
  background: #050606;
  font-size: 13px;
}

@media (max-width: 1180px) {
  .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    right: 20px;
    display: none;
    width: min(320px, calc(100vw - 40px));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    background: rgba(10, 11, 12, 0.96);
    padding: 12px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 12px;
  }

  .hero {
    min-height: 760px;
    padding-top: 110px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(4, 5, 6, 0.72), rgba(4, 5, 6, 0.92)),
      linear-gradient(90deg, rgba(4, 5, 6, 0.9), rgba(4, 5, 6, 0.28));
  }

  .hero-proof,
  .intro-grid,
  .project-list,
  .news-list,
  .service-panel,
  .contact,
  .section-copy {
    grid-template-columns: 1fr;
  }

  .hero-proof {
    gap: 0;
  }

  .project-card,
  .project-card.featured {
    min-height: 280px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand small {
    display: none;
  }

  .brand {
    min-width: auto;
  }

  .brand-mark {
    width: 56px;
    height: 42px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-proof dd {
    font-size: 16px;
  }

  section {
    padding-top: 76px;
    padding-bottom: 76px;
  }
}