:root {
  --sand: #F7F2E8;
  --sand-deep: #EFE6D6;
  --sand-soft: #FBF7EF;
  --green: #2A473C;
  --green-deep: #1B2F27;
  --gold: #A67C52;
  --gold-deep: #8A6238;
  --gold-light: #C9A276;
  --orange: #D47B49;
  --white: #FFFFFF;
  --line: rgba(166, 124, 82, 0.3);
  --line-soft: rgba(166, 124, 82, 0.16);
  --line-light: rgba(247, 242, 232, 0.18);
  --serif-en: "Lora", Georgia, "Times New Roman", serif;
  --sans-en: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  --serif-zh: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --sans-zh: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  background: #14231D;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  background: #14231D;
  color: var(--green);
  font-family: var(--sans-zh);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(166, 124, 82, 0.16), transparent 32%),
    radial-gradient(circle at 82% 78%, rgba(42, 71, 60, 0.5), transparent 44%),
    linear-gradient(145deg, #17271F 0%, #0E1914 100%);
}

button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { max-width: 100%; display: block; }
p, h1, h2, h3, blockquote, figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection {
  background: var(--gold);
  color: var(--white);
}

[data-lang="zh"] .lang-en { display: none !important; }
[data-lang="en"] .lang-zh { display: none !important; }

html[data-lang="en"] body { font-family: var(--sans-en); }

html[data-lang="en"] h1,
html[data-lang="en"] h2,
html[data-lang="en"] h3,
html[data-lang="en"] .acc-title,
html[data-lang="en"] .final__slogan-zh {
  font-family: var(--serif-en);
}

/* Rectangular mobile canvas — no phone shell */
.stage {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.viewport {
  position: relative;
  width: 390px;
  height: 844px;
  overflow: hidden;
  background: var(--sand);
  border: 1px solid rgba(166, 124, 82, 0.3);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
}

.viewport__screen {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--sand);
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.viewport__screen::-webkit-scrollbar { display: none; }
.viewport__screen.is-locked { overflow: hidden; }

/* Navigation */
.nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 16px;
  background: rgba(247, 242, 232, 0.96);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--green);
  text-decoration: none;
}

.nav.is-scrolled { box-shadow: 0 8px 22px rgba(20, 32, 26, 0.07); }

.nav__mark { height: 48px; width: auto; }

.nav__name {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.05;
}

.nav__name-main {
  font-family: var(--serif-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav__name-sub {
  margin-top: 3px;
  font-family: var(--sans-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-deep);
  white-space: nowrap;
}

.nav__lang {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--green);
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.nav__lang:hover { background: var(--sand-deep); border-color: var(--gold); }

main { padding-top: 64px; }

/* Hero */
.hero {
  position: relative;
  min-height: 780px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--green-deep);
  color: var(--sand);
}

.hero__media,
.hero__scrim {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  animation: heroZoom 1.8s var(--ease) both;
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1.01); }
}

.hero__scrim {
  background:
    linear-gradient(180deg, rgba(15, 26, 21, 0.38) 0%, rgba(15, 26, 21, 0.02) 28%, rgba(15, 26, 21, 0.2) 55%, rgba(15, 26, 21, 0.94) 100%),
    linear-gradient(90deg, rgba(15, 26, 21, 0.35) 0%, transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 24px 44px;
}

.hero__content > * {
  opacity: 0;
  transform: translateY(16px);
  animation: heroUp 0.9s var(--ease) forwards;
}

.hero__content > :nth-child(1) { animation-delay: 0.12s; }
.hero__content > :nth-child(2) { animation-delay: 0.22s; }
.hero__content > :nth-child(3) { animation-delay: 0.32s; }
.hero__content > :nth-child(4) { animation-delay: 0.42s; }

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

.hero h1 {
  font-family: var(--serif-zh);
  font-size: clamp(40px, 11.8vw, 46px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--sand);
  text-wrap: balance;
}

html[data-lang="en"] .hero h1 {
  font-family: var(--serif-en);
  font-size: clamp(34px, 10.8vw, 42px);
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.hero__lead {
  margin-top: 14px;
  max-width: 332px;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.92);
  text-wrap: pretty;
}

html[data-lang="en"] .hero__lead {
  font-size: 14.5px;
  line-height: 1.62;
}

.hero__intro {
  margin-top: 10px;
  max-width: 332px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.68);
  text-wrap: pretty;
}

html[data-lang="en"] .hero__intro {
  font-size: 12.8px;
  line-height: 1.7;
}

.hero .btn { margin-top: 22px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 54px;
  padding: 0 20px;
  border: 0;
  border-radius: 2px;
  background: var(--gold);
  color: var(--white);
  font-family: var(--sans-zh);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(12, 24, 18, 0.2);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

html[data-lang="en"] .btn {
  font-family: var(--sans-en);
  font-size: 14.5px;
}

.btn:hover { background: var(--gold-deep); }
.btn:active { transform: scale(0.99); box-shadow: 0 6px 16px rgba(12, 24, 18, 0.18); }

.btn:focus-visible,
.ag-panel:focus-visible,
.accordion summary:focus-visible,
.back-top:focus-visible,
.lang-choice:focus-visible,
a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.nav__lang:focus-visible,
.nav__brand:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.btn__arrow {
  font-family: var(--sans-en);
  font-size: 19px;
  font-weight: 400;
  line-height: 1;
  transform: translateY(-1px);
}

/* Trust */
.trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 22px 6px;
  background: var(--green);
  color: var(--sand);
}

.trust__item {
  text-align: center;
  padding: 0 5px;
  border-right: 1px solid var(--line-light);
}

.trust__item:last-child { border-right: 0; }

.trust__num {
  display: block;
  font-family: var(--serif-en);
  font-size: 28px;
  line-height: 1;
  color: var(--gold-light);
  letter-spacing: -0.02em;
}

.trust__label {
  display: block;
  margin-top: 5px;
  font-size: 10.5px;
  line-height: 1.4;
  color: rgba(247, 242, 232, 0.66);
}

/* Sections */
.section {
  position: relative;
  padding: 48px 24px 56px;
  background: var(--sand);
}

.section h2 {
  font-family: var(--serif-zh);
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--green);
  text-wrap: balance;
}

html[data-lang="en"] .section h2 {
  font-family: var(--serif-en);
  font-size: 27px;
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.section__intro {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(42, 71, 60, 0.7);
  text-wrap: pretty;
}

html[data-lang="en"] .section__intro {
  font-size: 13px;
  line-height: 1.7;
}

/* About */
.about { padding-bottom: 56px; }

.about__media {
  position: relative;
  margin: 26px -24px 0;
  overflow: hidden;
  background: var(--green-deep);
}

.about__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: sepia(0.2) saturate(0.82) brightness(0.96);
}

.about__body { padding-top: 24px; }

.about__body > p {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(42, 71, 60, 0.82);
  text-wrap: pretty;
}

.about__body > p:first-child { margin-top: 0; }

html[data-lang="en"] .about__body > p {
  font-size: 13px;
  line-height: 1.76;
}

.about__body > .about__lead {
  margin-top: 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-family: var(--serif-zh);
  font-size: 19px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--gold-deep);
}

html[data-lang="en"] .about__body > .about__lead {
  font-family: var(--serif-en);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.proof li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 9px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(42, 71, 60, 0.8);
}

.proof li:last-child { border-bottom: 1px solid var(--line-soft); }

.check {
  color: var(--gold);
  font-family: var(--sans-en);
  font-size: 12px;
  line-height: 1.7;
  font-weight: 700;
}

.tag {
  margin-top: 20px;
  padding: 10px 12px;
  background: rgba(212, 123, 73, 0.12);
  border-left: 3px solid var(--orange);
  color: var(--green);
  font-size: 11.5px;
  line-height: 1.7;
}

/* Accordion gallery */
.experiences { padding-bottom: 42px; }

.accordion-gallery {
  display: flex;
  gap: 4px;
  height: 380px;
  margin: 22px -24px 0;
  overflow: hidden;
  background: var(--green-deep);
}

.ag-panel {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  height: 100%;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: var(--green-deep);
  cursor: pointer;
  transition: flex-grow 0.8s var(--ease);
}

.ag-panel.is-active { flex-grow: 6.4; }

.ag-panel picture,
.ag-panel img {
  width: 100%;
  height: 100%;
  display: block;
}

.ag-panel img {
  object-fit: cover;
  transform: scale(1.05);
  filter: grayscale(1) brightness(0.7);
  transition: filter 0.8s var(--ease), transform 1s var(--ease);
}

.ag-panel.is-active img {
  filter: grayscale(0) brightness(1);
  transform: scale(1.01);
}

.ag-panel__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(20, 32, 26, 0.84) 100%);
  opacity: 0.55;
  transition: opacity 0.6s var(--ease);
}

.ag-panel.is-active .ag-panel__shade { opacity: 1; }

.ag-panel__label {
  position: absolute;
  left: 12px;
  bottom: 14px;
  z-index: 2;
  color: var(--sand);
  font-family: var(--serif-zh);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s 0.12s var(--ease), transform 0.35s 0.12s var(--ease);
}

html[data-lang="en"] .ag-panel__label {
  font-family: var(--serif-en);
  font-size: 15px;
}

.ag-panel.is-active .ag-panel__label {
  opacity: 1;
  transform: translateY(0);
}

.experience-detail {
  min-height: 120px;
  padding-top: 16px;
}

.experience-detail h3 {
  font-family: var(--serif-zh);
  font-size: 21px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--green);
}

html[data-lang="en"] .experience-detail h3 {
  font-family: var(--serif-en);
  font-size: 20px;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.experience-detail p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(42, 71, 60, 0.78);
  text-wrap: pretty;
}

html[data-lang="en"] .experience-detail p {
  font-size: 12.8px;
  line-height: 1.72;
}

/* Benefits */
.benefits {
  background: var(--green);
  color: var(--sand);
  padding-bottom: 64px;
}

.benefits h2 { color: var(--sand); }
.benefits .section__intro { color: rgba(247, 242, 232, 0.64); }

.benefits__media {
  position: relative;
  margin: 24px -24px 0;
  overflow: hidden;
  background: var(--green-deep);
}

.benefits__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.8;
  filter: sepia(0.1) saturate(0.88) brightness(0.96);
}

.benefits__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 24%, rgba(27, 47, 39, 0.82) 100%);
  pointer-events: none;
}

.benefits__media figcaption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  z-index: 2;
  font-family: var(--serif-en);
  font-size: 22px;
  line-height: 1.25;
  color: var(--sand);
  text-wrap: balance;
}

.value-list { margin-top: 22px; }

.value {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line-light);
}

.value:last-child { border-bottom: 1px solid var(--line-light); }

.value__num {
  font-family: var(--serif-en);
  font-size: 24px;
  line-height: 1;
  color: var(--gold-light);
}

.value h3 {
  font-family: var(--serif-zh);
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--sand);
}

html[data-lang="en"] .value h3 {
  font-family: var(--serif-en);
  font-size: 18px;
}

.value p {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.68);
  text-wrap: pretty;
}

html[data-lang="en"] .value p {
  font-size: 12.5px;
  line-height: 1.72;
}

.benefits__note {
  margin-top: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.5);
  text-wrap: pretty;
}

/* Concerns */
.concerns { padding-bottom: 56px; }

.accordion {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.accordion details { border-bottom: 1px solid var(--line); }

.accordion summary {
  display: grid;
  grid-template-columns: 1fr 20px;
  align-items: start;
  gap: 12px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
}

.accordion summary::-webkit-details-marker { display: none; }

.acc-title {
  font-family: var(--serif-zh);
  font-size: 16.5px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--green);
}

html[data-lang="en"] .acc-title {
  font-family: var(--serif-en);
  font-size: 16px;
  line-height: 1.4;
}

.acc-icon {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.acc-icon::before,
.acc-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 13px;
  height: 1px;
  background: var(--gold);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.acc-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion details[open] .acc-icon::after { transform: translate(-50%, -50%) rotate(0deg); opacity: 0; }

.acc-body {
  padding: 0 18px 17px 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(42, 71, 60, 0.76);
  text-wrap: pretty;
}

html[data-lang="en"] .acc-body {
  font-size: 12.8px;
  line-height: 1.72;
}

/* Practical */
.practical { padding-bottom: 64px; }

.practical__media {
  position: relative;
  margin: 24px -24px 0;
  overflow: hidden;
  background: var(--green-deep);
}

.practical__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: sepia(0.36) saturate(0.76) brightness(0.9) contrast(1.02);
}

.info-card {
  margin-top: 22px;
  padding: 20px 17px;
  background: var(--green);
  color: var(--sand);
}

.info-row {
  padding: 15px 0;
  border-top: 1px solid var(--line-light);
}

.info-row:first-child { padding-top: 0; border-top: 0; }

.info-label {
  font-size: 11px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--gold-light);
}

.info-value {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.82);
  text-wrap: pretty;
}

html[data-lang="en"] .info-value {
  font-size: 12.8px;
  line-height: 1.72;
}

.included {
  display: grid;
  gap: 7px;
  margin-top: 9px;
}

.included li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(247, 242, 232, 0.76);
}

.info-card .check { color: var(--gold-light); }

.tailor-note {
  margin-top: 15px;
  padding-top: 13px;
  border-top: 1px solid var(--line-light);
  font-size: 11px;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.48);
  font-style: italic;
  text-wrap: pretty;
}

/* Why */
.why {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--green-deep);
}

.why__media,
.why__overlay {
  position: absolute;
  inset: 0;
}

.why__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 45%;
}

.why__overlay {
  background:
    linear-gradient(180deg, rgba(166, 124, 82, 0.3) 0%, rgba(166, 124, 82, 0.08) 38%, transparent 62%),
    linear-gradient(180deg, rgba(15, 26, 21, 0.18) 0%, rgba(15, 26, 21, 0.16) 35%, rgba(15, 26, 21, 0.93) 100%),
    linear-gradient(90deg, rgba(15, 26, 21, 0.2), transparent 65%);
}

.why__panel {
  position: relative;
  z-index: 2;
  width: calc(100% - 32px);
  margin: 0 16px 18px;
  padding: 20px 18px 22px;
  background: rgba(30, 53, 44, 0.9);
  border-top: 1px solid rgba(166, 124, 82, 0.6);
  color: var(--sand);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.why h2 {
  margin-top: 0;
  font-family: var(--serif-zh);
  font-size: 25px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--sand);
}

html[data-lang="en"] .why h2 {
  font-family: var(--serif-en);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.why__panel > p {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.68);
  text-wrap: pretty;
}

html[data-lang="en"] .why__panel > p {
  font-size: 12.2px;
  line-height: 1.72;
}

/* Final */
.final {
  position: relative;
  padding: 52px 24px 36px;
  background: var(--green);
  color: var(--sand);
  text-align: center;
  overflow: hidden;
}

.final::before {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  width: 280px;
  height: 280px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(166, 124, 82, 0.12), transparent 68%);
  pointer-events: none;
}

.final__mark {
  position: relative;
  z-index: 1;
  width: 140px;
  height: auto;
  margin: 0 auto 22px;
  padding: 8px;
  background: var(--sand);
  box-shadow: 0 14px 30px rgba(8, 18, 13, 0.24);
}

.final h2 {
  margin-top: 0;
  font-family: var(--serif-zh);
  font-size: 33px;
  line-height: 1.22;
  font-weight: 700;
  color: var(--sand);
}

html[data-lang="en"] .final h2 {
  font-family: var(--serif-en);
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.final__slogan-en {
  margin-top: 22px;
  font-family: var(--serif-en);
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--sand);
}

html[data-lang="zh"] .final__slogan-en { display: none; }

.final__slogan-zh {
  margin-top: 20px;
  font-family: var(--serif-zh);
  font-size: 19px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--gold-light);
}

html[data-lang="en"] .final__slogan-zh { display: none; }

.final__slogan-sub {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.64);
}

.final .btn { margin-top: 24px; }

.final__promise {
  margin-top: 24px;
  font-size: 11.5px;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.58);
}

.final__tagline {
  margin-top: 7px;
  font-size: 10px;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.38);
}

.final__rule {
  width: 40px;
  height: 1px;
  margin: 22px auto 16px;
  background: rgba(166, 124, 82, 0.62);
}

.final__copyright {
  font-size: 10px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.42);
}

.final__credits {
  margin-top: 9px;
  font-size: 9px;
  line-height: 1.6;
}

.final__credits a {
  color: rgba(247, 242, 232, 0.3);
  text-decoration: underline;
  text-decoration-color: rgba(166, 124, 82, 0.5);
  text-underline-offset: 3px;
}

.final__credits a:hover { color: rgba(247, 242, 232, 0.58); }

/* Back to top */
.back-top {
  position: absolute;
  right: 16px;
  bottom: 18px;
  z-index: 90;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(166, 124, 82, 0.55);
  border-radius: 50%;
  background: var(--green);
  color: var(--sand);
  box-shadow: 0 10px 24px rgba(8, 18, 13, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px) scale(0.92);
  transition:
    opacity 0.3s var(--ease),
    transform 0.3s var(--ease),
    visibility 0.3s;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-top:hover { background: var(--green-deep); }

/* Language popover */
.lang-popover {
  position: absolute;
  top: 68px;
  right: 14px;
  z-index: 130;
  width: 178px;
  padding: 6px;
  background: var(--sand);
  border: 1px solid rgba(166, 124, 82, 0.42);
  box-shadow: 0 18px 40px rgba(8, 18, 13, 0.22);
  opacity: 0;
  transform: translateY(-4px) scale(0.98);
  transform-origin: top right;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.lang-popover[hidden] { display: none; }
.lang-popover.is-open { opacity: 1; transform: translateY(0) scale(1); }
.lang-popover:focus { outline: none; }

.lang-choice {
  width: 100%;
  display: grid;
  grid-template-columns: 24px 1fr 16px;
  gap: 10px;
  align-items: center;
  padding: 10px 9px;
  border: 0;
  border-radius: 1px;
  background: transparent;
  color: var(--green);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.lang-choice + .lang-choice { margin-top: 2px; }
.lang-choice:hover { background: var(--sand-deep); }

.flag {
  width: 24px;
  height: 16px;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(42, 71, 60, 0.16);
}

.flag svg { width: 100%; height: 100%; display: block; }

.lang-choice__check {
  opacity: 0;
  color: var(--gold-deep);
  font-size: 12px;
  text-align: right;
}

.lang-choice[aria-pressed="true"] { background: var(--sand-deep); font-weight: 600; }
.lang-choice[aria-pressed="true"] .lang-choice__check { opacity: 1; }

/* Enquiry dialog */
.enquiry-modal {
  position: absolute;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(15, 26, 21, 0.56);
  opacity: 0;
  transition: opacity 0.24s var(--ease);
}

.enquiry-modal[hidden] { display: none; }
.enquiry-modal.is-open { opacity: 1; }

.enquiry-card {
  position: relative;
  width: 340px;
  max-height: calc(100% - 24px);
  overflow-y: auto;
  padding: 22px 20px 20px;
  background: var(--sand);
  border: 1px solid rgba(166, 124, 82, 0.45);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  transform: translateY(10px) scale(0.98);
  transition: transform 0.26s var(--ease);
  scrollbar-width: thin;
}

.enquiry-modal.is-open .enquiry-card { transform: translateY(0) scale(1); }
.enquiry-card:focus { outline: none; }

.enquiry-close {
  position: absolute;
  top: 6px;
  right: 8px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--green);
  font-size: 23px;
  line-height: 1;
  cursor: pointer;
}

.enquiry-card h2 {
  padding-right: 24px;
  font-family: var(--serif-zh);
  font-size: 23px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--green);
}

html[data-lang="en"] .enquiry-card h2 {
  font-family: var(--serif-en);
  font-size: 22px;
  line-height: 1.25;
}

.enquiry-lead {
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(42, 71, 60, 0.62);
}

.enquiry-form {
  margin-top: 16px;
}

.field {
  display: block;
  margin-top: 13px;
}

.field > span {
  display: block;
  margin-bottom: 5px;
  font-size: 11.5px;
  line-height: 1.5;
  color: rgba(42, 71, 60, 0.68);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 9px;
  border: 1px solid var(--line-soft);
  border-bottom-color: var(--line);
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.2);
  color: var(--green);
  font-family: var(--sans-zh);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

html[data-lang="en"] .field input,
html[data-lang="en"] .field select,
html[data-lang="en"] .field textarea {
  font-family: var(--sans-en);
}

.field textarea { resize: vertical; min-height: 64px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.34);
}

.consent {
  display: grid;
  grid-template-columns: 15px 1fr;
  gap: 8px;
  align-items: start;
  margin-top: 16px;
  font-size: 10.5px;
  line-height: 1.6;
  color: rgba(42, 71, 60, 0.62);
}

.consent input {
  width: 14px;
  height: 14px;
  margin: 2px 0 0;
  accent-color: var(--gold);
}

.enquiry-form .btn {
  min-height: 48px;
  margin-top: 16px;
  font-size: 15px;
}

.enquiry-success {
  padding: 38px 4px 12px;
  text-align: center;
}

.enquiry-success h3 {
  font-family: var(--serif-zh);
  font-size: 24px;
  line-height: 1.35;
  color: var(--green);
}

html[data-lang="en"] .enquiry-success h3 { font-family: var(--serif-en); }

.enquiry-success p {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(42, 71, 60, 0.68);
}

.enquiry-success .btn {
  min-height: 48px;
  margin-top: 24px;
}

/* Reveal */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */
@media (max-width: 600px) {
  body { background: var(--sand); overflow: hidden; }
  body::before { display: none; }

  .stage {
    display: block;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0;
  }

  .viewport {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border: 0;
    box-shadow: none;
  }

  .viewport__screen {
    height: 100vh;
    height: 100dvh;
  }

  .nav {
    height: calc(64px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
  }

  .lang-popover {
    top: calc(64px + env(safe-area-inset-top) + 6px);
    right: 12px;
  }

  main { padding-top: calc(64px + env(safe-area-inset-top)); }

  .hero { min-height: calc(100dvh - 64px - env(safe-area-inset-top)); }

  .back-top { bottom: calc(18px + env(safe-area-inset-bottom)); }
}

/* Desktop */
@media (min-width: 900px) {
  :root {
    --desk-pad: max(48px, calc((100vw - 1320px) / 2));
  }

  body {
    overflow: hidden;
    background: var(--sand);
  }

  body::before { display: none; }

  .stage {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .viewport {
    width: 100vw;
    height: 100vh;
    border: 0;
    box-shadow: none;
    overflow: hidden;
  }

  .viewport__screen {
    height: 100vh;
    scrollbar-width: thin;
    scrollbar-color: rgba(166, 124, 82, 0.38) transparent;
  }

  .viewport__screen::-webkit-scrollbar {
    display: block;
    width: 8px;
  }

  .viewport__screen::-webkit-scrollbar-thumb {
    background: rgba(166, 124, 82, 0.38);
    border-radius: 8px;
  }

  .nav {
    height: 84px;
    padding: 0 var(--desk-pad);
  }

  .nav__brand { gap: 12px; }
  .nav__mark { height: 52px; }

  .nav__name-main { font-size: 16px; }
  .nav__name-sub { font-size: 11px; margin-top: 4px; }

  .nav__lang { width: 42px; height: 42px; }

  .lang-popover {
    top: 92px;
    right: var(--desk-pad);
    width: 190px;
  }

  main { padding-top: 84px; }

  .hero { min-height: calc(100vh - 84px); }

  .hero__content {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--desk-pad) 88px;
  }

  .hero h1 {
    font-size: clamp(64px, 6.4vw, 92px);
    line-height: 1.02;
    letter-spacing: -0.01em;
  }

  html[data-lang="en"] .hero h1 {
    font-size: clamp(54px, 5.2vw, 78px);
    line-height: 0.98;
    letter-spacing: -0.04em;
  }

  .hero__lead {
    max-width: 680px;
    margin-top: 20px;
    font-size: 19px;
    line-height: 1.6;
  }

  html[data-lang="en"] .hero__lead {
    font-size: 17px;
    line-height: 1.55;
  }

  .hero__intro {
    max-width: 580px;
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.8;
  }

  html[data-lang="en"] .hero__intro {
    font-size: 14px;
    line-height: 1.7;
  }

  .hero .btn {
    width: 360px;
    min-height: 58px;
    margin-top: 28px;
  }

  .trust {
    padding: 24px var(--desk-pad);
  }

  .trust__item { padding: 18px 20px; }

  .trust__num { font-size: 40px; }

  .trust__label {
    margin-top: 8px;
    font-size: 12px;
  }

  .section {
    padding: 88px var(--desk-pad);
  }

  .section h2 {
    max-width: 860px;
    font-size: clamp(36px, 3.2vw, 52px);
    line-height: 1.16;
  }

  html[data-lang="en"] .section h2 {
    font-size: clamp(34px, 3vw, 48px);
    line-height: 1.1;
  }

  .about {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.85fr);
    column-gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }

  .about h2 { grid-column: 1 / -1; }

  .about__media {
    grid-column: 2;
    grid-row: 2;
    margin: 40px 0 0;
  }

  .about__media img { aspect-ratio: 4 / 5; }

  .about__body {
    grid-column: 1;
    grid-row: 2;
    max-width: 640px;
    padding-top: 40px;
  }

  .about__body > .about__lead {
    font-size: 24px;
    line-height: 1.4;
  }

  .about__body > p {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.9;
  }

  .proof li {
    padding: 13px 0;
    font-size: 14px;
  }

  .tag {
    max-width: 520px;
    font-size: 12.5px;
  }

  .experiences { padding-bottom: 80px; }

  .accordion-gallery {
    height: 600px;
    margin: 44px 0 0;
    gap: 8px;
  }

  .ag-panel__label {
    left: 20px;
    bottom: 20px;
    font-size: 18px;
  }

  html[data-lang="en"] .ag-panel__label { font-size: 18px; }

  .experience-detail {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 44px;
    align-items: start;
    min-height: 140px;
    padding-top: 28px;
  }

  .experience-detail h3 {
    font-size: 30px;
    line-height: 1.3;
  }

  html[data-lang="en"] .experience-detail h3 { font-size: 28px; }

  .experience-detail p {
    max-width: 720px;
    margin-top: 0;
    font-size: 15px;
    line-height: 1.9;
  }

  html[data-lang="en"] .experience-detail p {
    font-size: 14px;
    line-height: 1.8;
  }

  .benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px 72px;
    align-items: start;
    padding-bottom: 88px;
  }

  .benefits h2 { grid-column: 1 / -1; }

  .benefits__media {
    grid-column: 1;
    margin: 12px 0 0;
  }

  .benefits__media img { aspect-ratio: 4 / 3; }

  .benefits__media figcaption { font-size: 26px; }

  .value-list {
    grid-column: 2;
    margin-top: 12px;
  }

  .value {
    grid-template-columns: 40px 1fr;
    padding: 22px 0;
  }

  .value__num { font-size: 28px; }
  .value h3 { font-size: 22px; }
  .value p { font-size: 14px; line-height: 1.85; }

  .benefits__note {
    grid-column: 2;
    font-size: 12.5px;
  }

  .concerns {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 56px;
    align-items: start;
  }

  .concerns h2 {
    grid-column: 1;
    position: sticky;
    top: 120px;
    max-width: 360px;
  }

  .accordion {
    grid-column: 2;
    margin-top: 0;
  }

  .accordion summary { padding: 18px 0; }
  .acc-title { font-size: 18px; }
  .acc-body { font-size: 14px; line-height: 1.85; }

  .practical {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px 72px;
    align-items: start;
    padding-bottom: 88px;
  }

  .practical h2 { grid-column: 1 / -1; }

  .practical__media {
    grid-column: 1;
    margin: 12px 0 0;
  }

  .practical__media img { aspect-ratio: 4 / 3; }

  .info-card {
    grid-column: 2;
    margin-top: 12px;
    padding: 26px 24px;
  }

  .info-value { font-size: 14px; }
  .included { grid-template-columns: 1fr 1fr; gap: 8px 18px; }

  .why { min-height: 760px; }

  .why__panel {
    width: min(560px, 46vw);
    margin: 0 var(--desk-pad) 56px auto;
    padding: 32px 30px 34px;
  }

  .why h2 { font-size: 36px; }
  html[data-lang="en"] .why h2 { font-size: 34px; }
  .why__panel > p { font-size: 14px; line-height: 1.85; }

  .final {
    padding: 96px var(--desk-pad) 44px;
  }

  .final h2 { font-size: clamp(48px, 4.6vw, 68px); }
  html[data-lang="en"] .final h2 { font-size: clamp(46px, 4.4vw, 64px); }

  .final__slogan-en { font-size: 30px; }
  .final__slogan-zh { font-size: 24px; }

  .final .btn {
    width: 380px;
    margin-left: auto;
    margin-right: auto;
  }

  .final__promise { font-size: 13px; }
  .final__tagline { font-size: 11.5px; }
  .final__copyright { font-size: 11px; }

  .back-top {
    position: fixed;
    right: 32px;
    bottom: 32px;
    width: 48px;
    height: 48px;
  }

  .enquiry-card {
    width: 460px;
    padding: 30px 30px 26px;
  }

  .enquiry-card h2 { font-size: 30px; }
  html[data-lang="en"] .enquiry-card h2 { font-size: 28px; }

  .enquiry-lead { font-size: 13px; }

  .enquiry-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
  }

  .field { margin-top: 15px; }
  .field:nth-of-type(1),
  .field:nth-of-type(2) { grid-column: span 1; }
  .field:nth-of-type(3),
  .field:nth-of-type(4) { grid-column: span 1; }
  .field:nth-of-type(5),
  .field:nth-of-type(6) { grid-column: span 1; }
  .field:nth-of-type(7) { grid-column: 1 / -1; }

  .consent { grid-column: 1 / -1; }
  .enquiry-form .btn { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero__media img { transform: none; }
  .ag-panel,
  .ag-panel img { transition: none; }
}