:root {
  --ink: #18211d;
  --deep: #23362f;
  --jade: #527b67;
  --copper: #b46d3c;
  --wine: #7f2f2e;
  --paper: #f7f3ea;
  --mist: #edf1eb;
  --line: rgba(24, 33, 29, 0.14);
  --white: #fffaf2;
  --shadow: 0 24px 70px rgba(24, 33, 29, 0.18);
  font-family:
    "Noto Serif SC", "Songti SC", "SimSun", "Microsoft YaHei", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 4vw, 64px);
  color: var(--white);
  transition:
    background 0.25s ease,
    color 0.25s ease,
    box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(247, 243, 234, 0.94);
  box-shadow: 0 12px 36px rgba(24, 33, 29, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 170px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 22px;
}

.brand strong {
  display: block;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 20px;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 2px;
  font-size: 10px;
  opacity: 0.78;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.6vw, 34px);
  font-size: 14px;
}

.site-nav a {
  position: relative;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  opacity: 0.8;
  transform: scaleX(1);
}

.nav-cta {
  padding: 10px 18px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.nav-cta::after {
  display: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: inherit;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.menu-toggle span + span {
  margin-top: -12px;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  color: var(--white);
  background: #18211d;
}

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

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

.hero-shade {
  background:
    linear-gradient(90deg, rgba(17, 24, 20, 0.82), rgba(17, 24, 20, 0.52) 42%, rgba(17, 24, 20, 0.12)),
    linear-gradient(0deg, rgba(17, 24, 20, 0.34), rgba(17, 24, 20, 0.08) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 88svh;
  max-width: 760px;
  flex-direction: column;
  justify-content: center;
  padding: 110px clamp(22px, 7vw, 96px) 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #e5b47e;
}

.hero h1 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(76px, 12vw, 154px);
  font-weight: 600;
  line-height: 0.96;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  font-size: clamp(18px, 2.1vw, 26px);
  line-height: 1.68;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 13px 22px;
  cursor: pointer;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    border 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: var(--white);
  background: var(--wine);
}

.button.ghost {
  color: var(--white);
  border-color: rgba(255, 250, 242, 0.7);
  background: rgba(255, 250, 242, 0.08);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 44px;
  color: rgba(255, 250, 242, 0.86);
}

.hero-metrics span {
  min-width: 112px;
  border-left: 1px solid rgba(255, 250, 242, 0.36);
  padding-left: 14px;
  font-size: 14px;
}

.hero-metrics strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 28px;
  line-height: 1;
}

section {
  padding: clamp(72px, 9vw, 116px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 830px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 600;
  line-height: 1.18;
}

.section-heading.split {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
}

.section-heading.split > p,
.gift-content p,
.reserve-copy p {
  margin: 0;
  color: rgba(24, 33, 29, 0.74);
  font-size: 17px;
  line-height: 1.85;
}

.intro {
  background: var(--paper);
}

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

.intro-grid article {
  min-height: 270px;
  padding: clamp(24px, 3.2vw, 42px);
  background: var(--paper);
}

.intro-grid span {
  color: var(--copper);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 42px;
}

.intro-grid h3,
.program-card h3,
.membership-grid h3,
.service-panel h3 {
  margin: 22px 0 12px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 26px;
  line-height: 1.24;
}

.intro-grid p,
.program-card p,
.membership-grid p,
.service-panel p {
  margin: 0;
  color: rgba(24, 33, 29, 0.72);
  font-size: 16px;
  line-height: 1.82;
}

.services {
  color: var(--white);
  background: var(--deep);
}

.services .section-heading h2,
.services .section-heading.split > p {
  color: var(--white);
}

.services .section-heading.split > p {
  opacity: 0.72;
}

.service-board {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
}

.service-tabs {
  display: grid;
  gap: 10px;
}

.service-tabs button {
  min-height: 58px;
  border: 1px solid rgba(255, 250, 242, 0.18);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 250, 242, 0.06);
  cursor: pointer;
  text-align: left;
  padding: 0 18px;
  transition:
    background 0.2s ease,
    border 0.2s ease;
}

.service-tabs button.is-active {
  border-color: rgba(229, 180, 126, 0.86);
  background: rgba(229, 180, 126, 0.18);
}

.service-panel {
  min-height: 330px;
  border: 1px solid rgba(255, 250, 242, 0.16);
  border-radius: 8px;
  padding: clamp(26px, 4vw, 54px);
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.08), rgba(255, 250, 242, 0.02)),
    rgba(10, 18, 15, 0.2);
}

.panel-kicker {
  margin: 0 0 10px;
  color: #e5b47e;
  font-weight: 700;
}

.service-panel p {
  max-width: 750px;
  color: rgba(255, 250, 242, 0.78);
}

.service-panel ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
}

.service-panel li {
  border-top: 1px solid rgba(255, 250, 242, 0.18);
  padding-top: 14px;
  color: rgba(255, 250, 242, 0.78);
  line-height: 1.65;
}

.programs {
  background: var(--mist);
}

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

.program-card,
.membership-grid article {
  min-height: 310px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 3vw, 34px);
  background: rgba(255, 250, 242, 0.84);
  box-shadow: 0 14px 40px rgba(24, 33, 29, 0.06);
}

.program-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--copper);
  font-weight: 700;
}

.program-top strong {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 44px;
  font-weight: 500;
  opacity: 0.38;
}

.membership {
  background: var(--paper);
}

.membership-grid article {
  display: flex;
  flex-direction: column;
}

.membership-grid .featured {
  color: var(--white);
  background: var(--jade);
  transform: translateY(-14px);
}

.tier {
  display: inline-flex;
  width: fit-content;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 700;
}

.featured .tier,
.featured p {
  color: rgba(255, 250, 242, 0.82);
}

.membership-grid strong {
  margin-top: auto;
  padding-top: 26px;
  color: var(--wine);
}

.featured strong {
  color: #ffe0b8;
}

.gift {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: clamp(30px, 6vw, 90px);
  color: var(--white);
  background: #18211d;
}

.gift h2,
.reserve h2 {
  margin: 0 0 20px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 600;
  line-height: 1.18;
}

.gift-content p {
  color: rgba(255, 250, 242, 0.76);
}

.gift-list {
  display: grid;
  gap: 12px;
  align-content: center;
}

.gift-list span {
  border: 1px solid rgba(255, 250, 242, 0.18);
  border-radius: 8px;
  padding: 18px 20px;
  background: rgba(255, 250, 242, 0.06);
}

.reserve {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: start;
  background: var(--mist);
}

.notice {
  margin-top: 24px !important;
  border-left: 3px solid var(--copper);
  padding-left: 16px;
  font-size: 14px !important;
}

.reserve-form {
  display: grid;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--white);
  box-shadow: var(--shadow);
}

.reserve-form label {
  display: grid;
  gap: 8px;
  color: rgba(24, 33, 29, 0.72);
  font-size: 14px;
  font-weight: 700;
}

.reserve-form input,
.reserve-form select,
.reserve-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fffdf8;
  padding: 13px 14px;
  outline: none;
  resize: vertical;
}

.reserve-form input:focus,
.reserve-form select:focus,
.reserve-form textarea:focus {
  border-color: var(--jade);
  box-shadow: 0 0 0 3px rgba(82, 123, 103, 0.16);
}

.reserve-form .button {
  width: 100%;
  margin-top: 6px;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--jade);
  font-weight: 700;
}

.site-footer {
  display: flex;
  min-height: 128px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 5vw, 72px);
  color: rgba(255, 250, 242, 0.72);
  background: #101713;
}

.site-footer strong {
  display: block;
  color: var(--white);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 24px;
}

.site-footer p {
  margin: 8px 0 0;
}

@media (max-width: 900px) {
  .site-header {
    min-height: 68px;
  }

  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    right: 14px;
    left: 14px;
    display: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(247, 243, 234, 0.98);
    box-shadow: var(--shadow);
    padding: 18px;
  }

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

  .nav-cta {
    width: fit-content;
  }

  .hero,
  .hero-content {
    min-height: 84svh;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(17, 24, 20, 0.74), rgba(17, 24, 20, 0.28)),
      linear-gradient(90deg, rgba(17, 24, 20, 0.72), rgba(17, 24, 20, 0.22));
  }

  .hero-content {
    padding-top: 96px;
  }

  .section-heading.split,
  .service-board,
  .gift,
  .reserve {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .program-grid,
  .membership-grid,
  .service-panel ul {
    grid-template-columns: 1fr;
  }

  .membership-grid .featured {
    transform: none;
  }
}

@media (max-width: 560px) {
  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero h1 {
    font-size: clamp(64px, 22vw, 98px);
  }

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

  .button {
    width: 100%;
  }

  .hero-metrics {
    gap: 12px;
  }

  .hero-metrics span {
    min-width: calc(50% - 12px);
  }

  .site-footer {
    display: grid;
  }
}