:root {
  --ink: #1f1b17;
  --muted: #71675c;
  --soft: #f5efe6;
  --paper: #fbf7f0;
  --warm: #d9b98c;
  --gold: #bc8c4b;
  --brown: #4f3424;
  --line: rgba(31, 27, 23, 0.12);
  --shadow: 0 28px 90px rgba(31, 27, 23, 0.18);
  --radius: 28px;
  --header-h: 78px;
  --body-bg:
    radial-gradient(circle at top left, rgba(217, 185, 140, 0.24), transparent 32rem),
    linear-gradient(180deg, #fffaf2 0%, #f5efe6 48%, #efe3d4 100%);
  --body-pattern:
    radial-gradient(circle at 12% 14%, rgba(188, 140, 75, 0.12), transparent 18rem),
    radial-gradient(circle at 92% 8%, rgba(79, 52, 36, 0.08), transparent 20rem);
  --panel-bg: rgba(251, 247, 240, 0.96);
  --panel-glass: rgba(255, 255, 255, 0.48);
  --header-panel: rgba(251, 247, 240, 0.92);
  --primary-gradient: linear-gradient(135deg, #f2d5a2, #bc8c4b);
  --primary-ink: #17100c;
  --hero-overlay:
    linear-gradient(90deg, rgba(12, 9, 7, 0.82), rgba(12, 9, 7, 0.42) 48%, rgba(12, 9, 7, 0.1)),
    linear-gradient(0deg, rgba(12, 9, 7, 0.7), transparent 45%);
  --hero-overlay-mobile: var(--hero-overlay);
  --hero-filter: saturate(0.98) contrast(1.02);
  --craft-bg:
    linear-gradient(135deg, rgba(31, 27, 23, 0.88), rgba(79, 52, 36, 0.88)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg: #1f1b17;
  --footer-bg: #120e0b;
  --case-radius: var(--radius);
  --font-body: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  --font-display: "Noto Serif SC", "STZhongsong", "Songti SC", serif;
  --font-accent: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--body-bg);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background 0.45s ease, color 0.45s ease;
}

body.menu-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background: var(--body-pattern);
  opacity: 0.9;
  transition: background 0.45s ease, opacity 0.45s ease;
}

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

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

button,
input,
textarea {
  font: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 72px);
  color: #fff;
  transition: background 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: var(--header-panel);
  box-shadow: 0 12px 36px rgba(31, 27, 23, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  appearance: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(156px, 18vw, 218px);
  min-height: 52px;
  padding: 7px 14px;
  border: 1px solid var(--brand-border, rgba(255, 255, 255, 0.46));
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78)),
    var(--brand-bg, rgba(255, 255, 255, 0.9));
  box-shadow: 0 12px 34px rgba(31, 27, 23, 0.12);
  backdrop-filter: blur(12px);
  cursor: pointer;
  color: inherit;
  overflow: visible;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.brand::before {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(217, 185, 140, 0.24);
  opacity: 0;
  pointer-events: none;
  animation: brandInvite 4.8s ease-in-out infinite;
}

.brand::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 0 34%, rgba(255, 255, 255, 0.82) 45%, transparent 58% 100%);
  opacity: 0.18;
  pointer-events: none;
  transform: translateX(-82%);
  animation: brandGlint 5.8s ease-in-out infinite;
}

.brand:hover,
.brand:focus-visible {
  transform: translateY(-2px) scale(1.015);
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow:
    0 20px 44px rgba(31, 27, 23, 0.2),
    0 0 0 6px rgba(255, 255, 255, 0.1);
  outline: none;
}

.brand:hover::before,
.brand:focus-visible::before {
  opacity: 0.82;
  animation-play-state: paused;
}

.brand:hover::after,
.brand:focus-visible::after {
  opacity: 0.52;
  transform: translateX(82%);
  transition: opacity 0.2s ease, transform 0.62s ease;
}

.brand-logo-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
}

.brand-logo {
  width: 100%;
  height: 38px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  font-size: 14px;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.2s ease;
}

.site-nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 1px;
  margin: 7px auto;
  background: currentColor;
  transition: transform 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(42deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-42deg);
}

.section {
  padding: clamp(76px, 10vw, 140px) clamp(20px, 5vw, 72px);
}

.section-dark {
  color: #fff;
  background: #16120f;
}

.hero {
  min-height: 100svh;
  position: relative;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: calc(var(--header-h) + 68px) clamp(20px, 5vw, 72px) clamp(38px, 8vw, 88px);
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  filter: var(--hero-filter);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-overlay {
  background: var(--hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--gold);
  font-family: var(--font-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.theme-hint {
  width: fit-content;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
}

.theme-hint span,
.theme-hint b {
  color: var(--warm);
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.theme-hint em {
  font-size: 13px;
  font-style: normal;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(44px, 8vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.hero-lead {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(16px, 2vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 24px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: var(--primary-ink);
  background: var(--primary-gradient);
  box-shadow: 0 18px 42px rgba(188, 140, 75, 0.28);
}

.btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.btn-dark {
  color: var(--dark-button-ink, #fff);
  background: var(--dark-button-bg, var(--ink));
}

.hero-card {
  position: absolute;
  z-index: 2;
  right: clamp(20px, 5vw, 72px);
  bottom: clamp(34px, 8vw, 90px);
  width: min(360px, 34vw);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 24px;
  background: rgba(20, 15, 12, 0.46);
  backdrop-filter: blur(16px);
}

.hero-card span {
  display: block;
  color: var(--warm);
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.18em;
}

.hero-card strong {
  display: block;
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.25;
}

.hero-card p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.quick-booking {
  position: relative;
  z-index: 3;
  width: min(1180px, calc(100% - 40px));
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 24px;
  align-items: end;
  margin: -48px auto 0;
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--radius);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
}

.quick-booking h2,
.section-heading h2,
.intro-copy h2,
.craft-copy h2,
.about-copy h2,
.contact h2 {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.booking-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 14px;
  align-items: end;
}

label span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  outline: none;
}

input {
  height: 48px;
  padding: 0 16px;
}

textarea {
  resize: vertical;
  padding: 14px 16px;
}

input:focus,
textarea:focus {
  border-color: rgba(188, 140, 75, 0.72);
  box-shadow: 0 0 0 4px rgba(188, 140, 75, 0.1);
}

.intro {
  display: grid;
  grid-template-columns: 0.35fr 0.75fr 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.intro-copy p,
.craft-copy p,
.about-copy p,
.contact-panel p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.value-grid {
  display: grid;
  gap: 16px;
}

.value-grid article,
.service-list article {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  background: var(--panel-glass);
}

.value-grid span,
.service-list b {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 13px;
}

.value-grid h3,
.service-list h3,
.case-card h3 {
  margin: 10px 0 8px;
  font-size: 24px;
  line-height: 1.18;
}

.value-grid p,
.service-list p,
.case-card p {
  margin: 0;
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(30px, 5vw, 56px);
}

.section-heading a {
  color: var(--gold);
  border-bottom: 1px solid currentColor;
}

.align-left {
  display: block;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 18px;
}

.case-card {
  min-height: 420px;
  position: relative;
  overflow: hidden;
  border-radius: var(--case-radius);
  background: #201813;
  box-shadow: 0 20px 70px rgba(31, 27, 23, 0.12);
}

.case-large {
  grid-row: span 2;
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.case-card:hover img {
  transform: scale(1.05);
}

.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 36%, rgba(13, 9, 7, 0.82));
}

.case-card div {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 24px;
  color: #fff;
}

.case-card span {
  color: var(--warm);
  font-family: var(--font-accent);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.case-card p {
  color: rgba(255, 255, 255, 0.76);
}

.service-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.section-warm {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: clamp(28px, 6vw, 88px);
  background: var(--craft-bg);
  color: #fff;
}

.craft-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.process {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process li {
  min-height: 112px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  font-size: 22px;
}

.process span {
  color: var(--warm);
  font-family: var(--font-accent);
  font-size: 13px;
}

.about {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
}

.about-image {
  overflow: hidden;
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  aspect-ratio: 4 / 4.7;
  object-fit: cover;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.about-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  background: var(--panel-glass);
  color: var(--brown);
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(24px, 5vw, 70px);
  padding: clamp(76px, 10vw, 140px) clamp(20px, 5vw, 72px);
  background: var(--contact-bg);
  color: #fff;
}

.contact-panel p,
.contact-lines {
  color: rgba(255, 255, 255, 0.72);
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.contact-form input,
.contact-form textarea {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.44);
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--warm);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.74);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: #fff;
  font-size: 18px;
}

.mobile-cta {
  display: none;
}

body[data-theme="warm-luxury"] {
  --ink: #1f1b17;
  --muted: #71675c;
  --soft: #f5efe6;
  --paper: #fbf7f0;
  --warm: #d9b98c;
  --gold: #bc8c4b;
  --brown: #4f3424;
  --line: rgba(31, 27, 23, 0.12);
  --shadow: 0 28px 90px rgba(31, 27, 23, 0.18);
  --radius: 28px;
  --body-bg:
    radial-gradient(circle at top left, rgba(217, 185, 140, 0.24), transparent 32rem),
    linear-gradient(180deg, #fffaf2 0%, #f5efe6 48%, #efe3d4 100%);
  --body-pattern:
    radial-gradient(circle at 12% 14%, rgba(188, 140, 75, 0.12), transparent 18rem),
    radial-gradient(circle at 92% 8%, rgba(79, 52, 36, 0.08), transparent 20rem);
  --panel-bg: rgba(251, 247, 240, 0.96);
  --panel-glass: rgba(255, 255, 255, 0.48);
  --header-panel: rgba(251, 247, 240, 0.92);
  --primary-gradient: linear-gradient(135deg, #f2d5a2, #bc8c4b);
  --primary-ink: #17100c;
  --hero-overlay:
    linear-gradient(90deg, rgba(12, 9, 7, 0.82), rgba(12, 9, 7, 0.42) 48%, rgba(12, 9, 7, 0.1)),
    linear-gradient(0deg, rgba(12, 9, 7, 0.7), transparent 45%);
  --hero-overlay-mobile:
    linear-gradient(180deg, rgba(12, 9, 7, 0.25), rgba(12, 9, 7, 0.88)),
    linear-gradient(90deg, rgba(12, 9, 7, 0.55), transparent);
  --hero-filter: saturate(0.98) contrast(1.02);
  --craft-bg:
    linear-gradient(135deg, rgba(31, 27, 23, 0.88), rgba(79, 52, 36, 0.88)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg: #1f1b17;
  --footer-bg: #120e0b;
  --case-radius: 28px;
  --font-body: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  --font-display: "Noto Serif SC", "STZhongsong", "Songti SC", serif;
  --font-accent: Georgia, "Times New Roman", serif;
  --dark-button-bg: #1f1b17;
  --dark-button-ink: #fff;
}

body[data-theme="future-gallery"] {
  --ink: #f9f4ea;
  --muted: #bdb3a8;
  --soft: #17171c;
  --paper: #101014;
  --warm: #31f1d0;
  --gold: #ff6a32;
  --brown: #ffc548;
  --line: rgba(255, 255, 255, 0.16);
  --shadow: 0 34px 100px rgba(0, 0, 0, 0.42);
  --radius: 18px;
  --body-bg:
    radial-gradient(circle at 82% 12%, rgba(49, 241, 208, 0.22), transparent 20rem),
    radial-gradient(circle at 16% 24%, rgba(255, 106, 50, 0.28), transparent 22rem),
    linear-gradient(135deg, #07070a 0%, #151217 48%, #26120d 100%);
  --body-pattern:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  --panel-bg: rgba(15, 15, 20, 0.9);
  --panel-glass: rgba(255, 255, 255, 0.075);
  --header-panel: rgba(9, 9, 12, 0.84);
  --brand-bg: rgba(255, 255, 255, 0.96);
  --brand-border: rgba(49, 241, 208, 0.5);
  --primary-gradient: linear-gradient(135deg, #31f1d0 0%, #f9f4ea 52%, #ff6a32 100%);
  --primary-ink: #09090c;
  --hero-overlay:
    linear-gradient(112deg, rgba(3, 3, 6, 0.92), rgba(13, 12, 18, 0.46) 48%, rgba(255, 106, 50, 0.12)),
    linear-gradient(0deg, rgba(3, 3, 6, 0.82), transparent 50%);
  --hero-overlay-mobile:
    linear-gradient(180deg, rgba(3, 3, 6, 0.18), rgba(3, 3, 6, 0.92)),
    linear-gradient(90deg, rgba(255, 106, 50, 0.28), transparent);
  --hero-filter: saturate(1.25) contrast(1.14) brightness(0.78);
  --craft-bg:
    linear-gradient(135deg, rgba(4, 4, 7, 0.9), rgba(255, 106, 50, 0.32)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg:
    radial-gradient(circle at 82% 16%, rgba(49, 241, 208, 0.14), transparent 20rem),
    linear-gradient(135deg, #050507, #171017);
  --footer-bg: #050507;
  --case-radius: 8px;
  --font-body: "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-display: Impact, "SimHei", "Microsoft YaHei", sans-serif;
  --font-accent: "Courier New", monospace;
  --dark-button-bg: #f9f4ea;
  --dark-button-ink: #09090c;
}

body[data-theme="future-gallery"]::before {
  background-size: 58px 58px;
}

body[data-theme="future-gallery"] .hero h1 {
  max-width: 940px;
  text-transform: uppercase;
  text-shadow: 0 0 44px rgba(49, 241, 208, 0.18);
}

body[data-theme="future-gallery"] .quick-booking,
body[data-theme="future-gallery"] .case-card,
body[data-theme="future-gallery"] .value-grid article,
body[data-theme="future-gallery"] .service-list article,
body[data-theme="future-gallery"] .contact-form {
  border-color: rgba(49, 241, 208, 0.24);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.28);
}

body[data-theme="future-gallery"] .case-card:nth-child(2),
body[data-theme="future-gallery"] .case-card:nth-child(4) {
  transform: translateY(18px);
}

body[data-theme="future-gallery"] input,
body[data-theme="future-gallery"] textarea {
  color: #f9f4ea;
  border-color: rgba(49, 241, 208, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

body[data-theme="future-gallery"] input::placeholder,
body[data-theme="future-gallery"] textarea::placeholder {
  color: rgba(249, 244, 234, 0.42);
}

body[data-theme="ink-scroll"] {
  --ink: #1b241d;
  --muted: #536257;
  --soft: #f1eadf;
  --paper: #fbf6ec;
  --warm: #8ea17f;
  --gold: #9a663f;
  --brown: #2b3c31;
  --line: rgba(27, 36, 29, 0.14);
  --shadow: 0 32px 88px rgba(47, 61, 48, 0.14);
  --radius: 38px;
  --body-bg:
    radial-gradient(circle at 20% 12%, rgba(142, 161, 127, 0.2), transparent 24rem),
    radial-gradient(circle at 82% 10%, rgba(154, 102, 63, 0.12), transparent 18rem),
    linear-gradient(180deg, #fbf7ef 0%, #f0e8dc 48%, #e5dccf 100%);
  --body-pattern:
    radial-gradient(circle at 8% 20%, rgba(27, 36, 29, 0.07), transparent 18rem),
    linear-gradient(110deg, transparent 0 72%, rgba(27, 36, 29, 0.045) 72% 74%, transparent 74%);
  --panel-bg: rgba(251, 246, 236, 0.92);
  --panel-glass: rgba(255, 252, 245, 0.68);
  --header-panel: rgba(251, 246, 236, 0.9);
  --brand-bg: rgba(255, 252, 245, 0.94);
  --brand-border: rgba(27, 36, 29, 0.12);
  --primary-gradient: linear-gradient(135deg, #e2ccb2, #8ea17f);
  --primary-ink: #172018;
  --hero-overlay:
    linear-gradient(90deg, rgba(20, 27, 23, 0.84), rgba(34, 47, 39, 0.44) 52%, rgba(251, 246, 236, 0.08)),
    linear-gradient(0deg, rgba(20, 27, 23, 0.7), transparent 45%);
  --hero-overlay-mobile:
    linear-gradient(180deg, rgba(20, 27, 23, 0.18), rgba(20, 27, 23, 0.9)),
    linear-gradient(90deg, rgba(20, 27, 23, 0.54), transparent);
  --hero-filter: saturate(0.78) contrast(0.96) brightness(0.92);
  --craft-bg:
    linear-gradient(135deg, rgba(26, 37, 30, 0.86), rgba(70, 81, 58, 0.74)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg:
    radial-gradient(circle at top left, rgba(142, 161, 127, 0.22), transparent 20rem),
    #172018;
  --footer-bg: #101713;
  --case-radius: 44px;
  --font-body: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  --font-display: "STKaiti", "KaiTi", "Noto Serif SC", serif;
  --font-accent: Georgia, "Times New Roman", serif;
  --dark-button-bg: #1b241d;
  --dark-button-ink: #fbf6ec;
}

body[data-theme="ink-scroll"] .hero h1 {
  letter-spacing: -0.035em;
  font-weight: 600;
}

body[data-theme="ink-scroll"] .case-card::after {
  background: linear-gradient(180deg, transparent 30%, rgba(19, 27, 22, 0.86));
}

body[data-theme="ink-scroll"] .quick-booking,
body[data-theme="ink-scroll"] .value-grid article,
body[data-theme="ink-scroll"] .service-list article {
  box-shadow: 0 18px 70px rgba(48, 64, 51, 0.12);
}

body[data-theme="botanical-studio"] {
  --ink: #17241d;
  --muted: #5b6b5e;
  --soft: #eff0de;
  --paper: #fbf7e9;
  --warm: #c9d99a;
  --gold: #b17445;
  --brown: #294133;
  --line: rgba(23, 36, 29, 0.13);
  --shadow: 0 34px 96px rgba(32, 64, 42, 0.18);
  --radius: 34px;
  --body-bg:
    radial-gradient(circle at 86% 12%, rgba(201, 217, 154, 0.42), transparent 24rem),
    radial-gradient(circle at 12% 34%, rgba(177, 116, 69, 0.15), transparent 18rem),
    linear-gradient(160deg, #fbf7e9 0%, #e8ecd3 50%, #d7dfc2 100%);
  --body-pattern:
    radial-gradient(ellipse at 90% 30%, rgba(41, 65, 51, 0.12), transparent 20rem),
    radial-gradient(ellipse at 12% 82%, rgba(201, 217, 154, 0.2), transparent 18rem);
  --panel-bg: rgba(255, 250, 234, 0.9);
  --panel-glass: rgba(255, 255, 245, 0.62);
  --header-panel: rgba(247, 249, 231, 0.88);
  --brand-bg: rgba(255, 255, 247, 0.94);
  --brand-border: rgba(41, 65, 51, 0.12);
  --primary-gradient: linear-gradient(135deg, #c9d99a, #f0c188);
  --primary-ink: #17241d;
  --hero-overlay:
    linear-gradient(90deg, rgba(13, 26, 18, 0.84), rgba(32, 57, 39, 0.46) 48%, rgba(201, 217, 154, 0.12)),
    linear-gradient(0deg, rgba(13, 26, 18, 0.72), transparent 48%);
  --hero-overlay-mobile:
    linear-gradient(180deg, rgba(13, 26, 18, 0.18), rgba(13, 26, 18, 0.9)),
    linear-gradient(90deg, rgba(13, 26, 18, 0.56), transparent);
  --hero-filter: saturate(0.96) contrast(0.98) brightness(0.9);
  --craft-bg:
    linear-gradient(135deg, rgba(18, 38, 25, 0.88), rgba(87, 111, 54, 0.62)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg:
    radial-gradient(circle at 76% 18%, rgba(201, 217, 154, 0.14), transparent 20rem),
    #132118;
  --footer-bg: #0c1710;
  --case-radius: 44px 16px;
  --font-body: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  --font-display: "STZhongsong", "Noto Serif SC", "Songti SC", serif;
  --font-accent: Georgia, "Times New Roman", serif;
  --dark-button-bg: #17241d;
  --dark-button-ink: #fffaf0;
}

body[data-theme="botanical-studio"] .case-card:nth-child(1),
body[data-theme="botanical-studio"] .about-image {
  border-radius: 80px 24px;
}

body[data-theme="botanical-studio"] .value-grid article,
body[data-theme="botanical-studio"] .service-list article,
body[data-theme="botanical-studio"] .process li {
  border-radius: 32px 12px;
}

body[data-theme="prism-lab"] {
  --ink: #151515;
  --muted: #56515c;
  --soft: #f4f0e8;
  --paper: #fffaf1;
  --warm: #175cff;
  --gold: #ff4e2a;
  --brown: #1d1b1a;
  --line: rgba(21, 21, 21, 0.16);
  --shadow: 16px 18px 0 rgba(21, 21, 21, 0.13);
  --radius: 12px;
  --body-bg:
    linear-gradient(135deg, rgba(255, 78, 42, 0.12) 0 18%, transparent 18% 100%),
    linear-gradient(45deg, transparent 0 74%, rgba(23, 92, 255, 0.16) 74% 100%),
    #fff8ea;
  --body-pattern:
    linear-gradient(90deg, rgba(21, 21, 21, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(21, 21, 21, 0.045) 1px, transparent 1px);
  --panel-bg: rgba(255, 250, 241, 0.94);
  --panel-glass: rgba(255, 255, 255, 0.78);
  --header-panel: rgba(255, 250, 241, 0.92);
  --brand-bg: #fffaf1;
  --brand-border: rgba(21, 21, 21, 0.22);
  --primary-gradient: linear-gradient(135deg, #ffe340 0%, #ff4e2a 52%, #175cff 100%);
  --primary-ink: #151515;
  --hero-overlay:
    linear-gradient(90deg, rgba(11, 11, 12, 0.72), rgba(11, 11, 12, 0.34) 45%, rgba(23, 92, 255, 0.18)),
    linear-gradient(0deg, rgba(11, 11, 12, 0.78), transparent 44%);
  --hero-overlay-mobile:
    linear-gradient(180deg, rgba(11, 11, 12, 0.12), rgba(11, 11, 12, 0.88)),
    linear-gradient(90deg, rgba(255, 78, 42, 0.32), transparent);
  --hero-filter: saturate(1.18) contrast(1.08);
  --craft-bg:
    linear-gradient(135deg, rgba(21, 21, 21, 0.82), rgba(23, 92, 255, 0.36)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg:
    linear-gradient(135deg, #151515 0 62%, #ff4e2a 62% 76%, #175cff 76%);
  --footer-bg: #151515;
  --case-radius: 0;
  --font-body: "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-display: "SimHei", "Microsoft YaHei", sans-serif;
  --font-accent: "Courier New", monospace;
  --dark-button-bg: #151515;
  --dark-button-ink: #fffaf1;
}

body[data-theme="prism-lab"]::before {
  background-size: 44px 44px;
}

body[data-theme="prism-lab"] .hero h1,
body[data-theme="prism-lab"] .quick-booking h2,
body[data-theme="prism-lab"] .section-heading h2,
body[data-theme="prism-lab"] .intro-copy h2,
body[data-theme="prism-lab"] .craft-copy h2,
body[data-theme="prism-lab"] .about-copy h2,
body[data-theme="prism-lab"] .contact h2 {
  letter-spacing: -0.08em;
}

body[data-theme="prism-lab"] .quick-booking,
body[data-theme="prism-lab"] .case-card,
body[data-theme="prism-lab"] .value-grid article,
body[data-theme="prism-lab"] .service-list article,
body[data-theme="prism-lab"] .contact-form {
  border: 2px solid #151515;
}

body[data-theme="prism-lab"] .case-card:hover img {
  transform: scale(1.03) rotate(-1deg);
}

body[data-theme="silver-editorial"] {
  --ink: #17191b;
  --muted: #687079;
  --soft: #eef0f1;
  --paper: #fafafa;
  --warm: #cad2d8;
  --gold: #7b8791;
  --brown: #2f3438;
  --line: rgba(23, 25, 27, 0.13);
  --shadow: 0 32px 90px rgba(40, 48, 56, 0.18);
  --radius: 30px;
  --body-bg:
    radial-gradient(circle at 85% 8%, rgba(162, 175, 186, 0.22), transparent 22rem),
    linear-gradient(180deg, #fbfbfa 0%, #edf0f2 52%, #dfe4e8 100%);
  --body-pattern:
    linear-gradient(120deg, transparent 0 50%, rgba(23, 25, 27, 0.045) 50% 51%, transparent 51%),
    radial-gradient(circle at 14% 72%, rgba(202, 210, 216, 0.22), transparent 20rem);
  --panel-bg: rgba(250, 250, 250, 0.9);
  --panel-glass: rgba(255, 255, 255, 0.62);
  --header-panel: rgba(250, 250, 250, 0.86);
  --brand-bg: rgba(255, 255, 255, 0.95);
  --brand-border: rgba(23, 25, 27, 0.1);
  --primary-gradient: linear-gradient(135deg, #ffffff, #aab4bd);
  --primary-ink: #17191b;
  --hero-overlay:
    linear-gradient(90deg, rgba(8, 10, 12, 0.86), rgba(33, 39, 45, 0.46) 48%, rgba(255, 255, 255, 0.08)),
    linear-gradient(0deg, rgba(8, 10, 12, 0.7), transparent 45%);
  --hero-overlay-mobile:
    linear-gradient(180deg, rgba(8, 10, 12, 0.18), rgba(8, 10, 12, 0.88)),
    linear-gradient(90deg, rgba(8, 10, 12, 0.56), transparent);
  --hero-filter: grayscale(0.72) contrast(1.08) brightness(0.9);
  --craft-bg:
    linear-gradient(135deg, rgba(18, 22, 26, 0.9), rgba(83, 94, 104, 0.62)),
    url("assets/images/case-dining.jpg") center / cover;
  --contact-bg:
    radial-gradient(circle at 80% 8%, rgba(202, 210, 216, 0.12), transparent 18rem),
    #17191b;
  --footer-bg: #101214;
  --case-radius: 30px;
  --font-body: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  --font-display: Didot, "Bodoni 72", "STSong", "Noto Serif SC", serif;
  --font-accent: Georgia, "Times New Roman", serif;
  --dark-button-bg: #17191b;
  --dark-button-ink: #fff;
}

body[data-theme="silver-editorial"] .hero h1 {
  max-width: 900px;
  font-weight: 500;
}

body[data-theme="silver-editorial"] .case-card,
body[data-theme="silver-editorial"] .about-image {
  filter: drop-shadow(0 24px 60px rgba(40, 48, 56, 0.12));
}

body.theme-is-switching .hero-content,
body.theme-is-switching .quick-booking,
body.theme-is-switching .case-card {
  animation: themeReveal 0.52s ease both;
}

@keyframes themeReveal {
  from {
    opacity: 0.72;
    transform: translateY(10px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes brandInvite {
  0%,
  64%,
  100% {
    opacity: 0;
    transform: scale(0.98);
    box-shadow: 0 0 0 0 rgba(217, 185, 140, 0);
  }
  76% {
    opacity: 0.58;
    transform: scale(1.03);
    box-shadow: 0 0 0 8px rgba(217, 185, 140, 0.1);
  }
}

@keyframes brandGlint {
  0%,
  52%,
  100% {
    opacity: 0;
    transform: translateX(-82%);
  }
  64% {
    opacity: 0.36;
  }
  78% {
    opacity: 0;
    transform: translateX(82%);
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1.03) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.5%, -1%, 0);
  }
}

@media (max-width: 1080px) {
  .hero-card {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(100%, 420px);
    margin-top: 42px;
  }

  .quick-booking,
  .intro,
  .about,
  .contact,
  .section-warm {
    grid-template-columns: 1fr;
  }

  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-large {
    grid-row: auto;
    grid-column: span 2;
  }

  .service-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 68px;
  }

  body {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }

  .site-header {
    padding: 0 18px;
  }

  .brand {
    width: 148px;
    min-height: 46px;
    padding: 6px 12px;
  }

  .brand-logo {
    height: 32px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
    border-radius: 22px;
    background: rgba(251, 247, 240, 0.96);
    box-shadow: var(--shadow);
    color: var(--ink);
  }

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

  .site-nav a {
    padding: 14px 8px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: 92svh;
    align-items: end;
    padding: calc(var(--header-h) + 46px) 20px 34px;
  }

  .hero h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  .hero-overlay {
    background: var(--hero-overlay-mobile);
  }

  .hero-actions,
  .booking-form,
  .section-heading,
  .site-footer {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .quick-booking {
    width: calc(100% - 28px);
    margin-top: -28px;
    padding: 22px;
  }

  .section {
    padding: 68px 18px;
  }

  .case-grid,
  .service-list,
  .process {
    grid-template-columns: 1fr;
  }

  .case-large {
    grid-column: auto;
  }

  .case-card {
    min-height: 360px;
  }

  .contact {
    padding: 68px 18px;
  }

  .mobile-cta {
    position: fixed;
    z-index: 30;
    left: 12px;
    right: 12px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 10px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: rgba(31, 27, 23, 0.88);
    box-shadow: 0 14px 42px rgba(31, 27, 23, 0.22);
    backdrop-filter: blur(16px);
  }

  .mobile-cta a {
    min-height: 46px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    color: #fff;
  }

  .mobile-cta a:last-child {
    color: var(--primary-ink);
    background: var(--primary-gradient);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}