:root {
  --ink: #111111;
  --ink-soft: #3b3833;
  --muted: #756e65;
  --line: rgba(17, 17, 17, 0.12);
  --paper: #fbfaf7;
  --warm: #eee7da;
  --champagne: #c9a96a;
  --gold: #b58a3c;
  --black: #0b0b0b;
  --white: #ffffff;
  --green: #6f8472;
  --shadow: 0 24px 70px rgba(17, 17, 17, 0.14);
  --radius: 8px;
  --container: min(1160px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 50;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.narrow {
  max-width: 880px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px max(20px, calc((100vw - 1160px) / 2));
  color: var(--white);
  transition:
    background 0.25s ease,
    color 0.25s ease,
    box-shadow 0.25s ease;
}

.site-header.is-solid,
.site-header:focus-within {
  color: var(--ink);
  background: rgba(251, 250, 247, 0.94);
  box-shadow: 0 10px 30px rgba(17, 17, 17, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 238px;
}

.brand-logo {
  width: 238px;
  height: auto;
  filter: invert(1);
  transition: filter 0.25s ease;
}

.site-header.is-solid .brand-logo,
.site-header:focus-within .brand-logo {
  filter: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}

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

.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;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-cta {
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 8px 14px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
}

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

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.74), rgba(0, 0, 0, 0.36) 47%, rgba(0, 0, 0, 0.08)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.42), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: end;
  min-height: 92vh;
  width: var(--container);
  margin: 0 auto;
  padding: 140px 0 54px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f4dba6;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(52px, 9vw, 112px);
  font-weight: 650;
}

h2 {
  font-size: clamp(30px, 4.5vw, 56px);
  font-weight: 580;
}

h3 {
  font-size: 22px;
  font-weight: 620;
}

.hero-copy {
  max-width: 670px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(16px, 2vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 19px;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

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

.button.primary {
  color: var(--black);
  background: var(--champagne);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.08);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 160px));
  gap: 1px;
  max-width: 560px;
  margin: 48px 0 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.24);
}

.hero-facts div {
  padding: 18px;
  background: rgba(10, 10, 10, 0.36);
  backdrop-filter: blur(12px);
}

.hero-facts dt {
  font-size: 34px;
  line-height: 1;
}

.hero-facts dd {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.band {
  background: var(--warm);
}

.section,
.band {
  padding: 96px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(320px, 1fr);
  gap: 72px;
  align-items: start;
}

.intro-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.intro-copy p + p {
  margin-top: 18px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading p:not(.section-kicker),
.process-grid > div > p,
.visual-copy p:not(.section-kicker) {
  color: var(--muted);
  font-size: 17px;
}

.row-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.55fr);
  gap: 48px;
  max-width: none;
  align-items: end;
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(360px, 1fr);
  gap: 36px;
  align-items: stretch;
}

.feature-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.feature-panel img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.feature-panel div {
  flex: 1;
  padding: 28px;
}

.feature-panel p {
  margin: 12px 0 0;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  margin-bottom: 14px;
  border: 1px solid rgba(181, 138, 60, 0.4);
  border-radius: 999px;
  padding: 5px 11px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(3, 1fr);
  gap: 14px;
  align-self: stretch;
}

.service-list article {
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(255, 255, 255, 0.72);
}

.service-list span,
.process-list span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.service-list p {
  margin: 13px 0 0;
  color: var(--muted);
}

.proof {
  background: #f5f1ea;
}

.proof-lead {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.proof-lead p {
  margin: 0;
}

.proof-lead strong {
  color: var(--ink);
  font-size: 18px;
}

.proof-grid {
  display: grid;
  gap: 18px;
}

.proof-main,
.proof-side article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 46px rgba(17, 17, 17, 0.08);
}

.proof-main {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.72fr);
  align-items: center;
}

.proof-main img {
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
  background: transparent;
}

.proof-main div {
  padding: clamp(24px, 4vw, 42px);
}

.proof-main p,
.proof-side p {
  margin: 12px 0 0;
  color: var(--muted);
}

.proof-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.proof-side article {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
  padding: 0;
}

.proof-side img {
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: contain;
  background: transparent;
}

.proof-side article div {
  padding: 24px;
}

.proof-side span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
}

.visual-band {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(320px, 1fr);
  align-items: stretch;
  color: var(--white);
  background: var(--black);
}

.visual-band img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.visual-copy {
  align-self: center;
  max-width: 620px;
  margin-left: max(20px, calc((100vw - 1160px) / 2));
  padding: 76px 56px 76px 0;
}

.visual-copy p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.72);
}

.store-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.store-card {
  min-height: 240px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--white);
}

.store-card.highlight {
  color: var(--white);
  background:
    linear-gradient(160deg, rgba(201, 169, 106, 0.28), transparent 46%),
    var(--black);
}

.store-card p {
  margin: 0 0 54px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.store-card h3 {
  margin-bottom: 10px;
  font-size: 28px;
}

.store-card span {
  color: var(--muted);
  font-size: 14px;
}

.store-card.highlight span {
  color: rgba(255, 255, 255, 0.74);
}

.growth-note {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  margin-top: 18px;
  border: 1px solid rgba(181, 138, 60, 0.35);
  border-radius: var(--radius);
  padding: 22px;
  background: #f4efe5;
}

.growth-note span {
  color: var(--gold);
  font-weight: 700;
}

.growth-note p {
  margin: 0;
  color: var(--ink-soft);
}

.process {
  background: #f2f0eb;
}

.process-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(320px, 1fr);
  gap: 56px;
  align-items: center;
}

.process-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.process-list {
  display: grid;
  gap: 10px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  color: var(--muted);
}

.process-list strong {
  display: inline-block;
  min-width: 86px;
  color: var(--ink);
}

.process-list span {
  width: 38px;
  margin: 0;
}

.appointment {
  padding: 104px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 84% 18%, rgba(201, 169, 106, 0.18), transparent 34%),
    linear-gradient(120deg, rgba(11, 11, 11, 0.98), rgba(36, 32, 25, 0.94)),
    var(--black);
}

.appointment-panel {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(420px, 1fr);
  gap: clamp(32px, 5vw, 68px);
  align-items: center;
}

.appointment-panel p:not(.section-kicker) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.appointment-steps {
  display: grid;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.appointment-steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 14px;
  color: rgba(255, 255, 255, 0.76);
}

.appointment-steps span {
  color: #f4dba6;
  font-size: 12px;
  font-weight: 800;
}

.appointment-actions {
  display: grid;
  grid-template-columns: minmax(220px, 0.86fr) minmax(240px, 1fr);
  gap: 16px;
  align-items: stretch;
}

.wechat-card,
.search-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 26px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.26);
}

.wechat-card {
  margin: 0;
}

.wechat-card img {
  width: 100%;
  max-height: 300px;
  border-radius: 6px;
  object-fit: contain;
  background: var(--white);
}

.wechat-card figcaption {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  text-align: center;
}

.search-card span,
.search-card strong {
  display: block;
}

.search-card span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  font-weight: 700;
}

.search-card strong {
  margin: 8px 0 18px;
  font-size: clamp(34px, 4vw, 46px);
  line-height: 1.1;
}

.search-card p {
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.66);
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 650;
}

details p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
}

details p + p {
  padding-top: 0;
}

.site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.74);
  background: var(--black);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-grid strong {
  display: block;
  color: var(--white);
  font-size: 18px;
}

.footer-grid p {
  margin: 6px 0 0;
}

.footer-grid a {
  color: #f4dba6;
  white-space: nowrap;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--white);
  background: rgba(11, 11, 11, 0.88);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .site-header {
    padding-inline: 20px;
  }

  .brand {
    min-width: 210px;
  }

  .brand-logo {
    width: 210px;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    right: 20px;
    top: 62px;
    display: grid;
    min-width: min(320px, calc(100vw - 40px));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    color: var(--ink);
    background: rgba(251, 250, 247, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease;
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav a {
    padding: 6px 0;
  }

  .hero {
    min-height: 780px;
  }

  .hero-content {
    min-height: 780px;
    padding-top: 118px;
  }

  .intro-grid,
  .service-layout,
  .row-heading,
  .visual-band,
  .proof-main,
  .process-grid,
  .appointment-panel,
  .appointment-actions {
    grid-template-columns: 1fr;
  }

  .service-list {
    grid-template-rows: none;
  }

  .proof-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-main img {
    height: auto;
    min-height: 0;
  }

  .appointment-panel {
    align-items: start;
  }

  .appointment-actions {
    max-width: 520px;
  }

  .visual-copy {
    max-width: none;
    margin: 0;
    padding: 76px 20px;
  }

  .visual-band img {
    min-height: auto;
    aspect-ratio: 4 / 3;
  }

  .store-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 32px, 1160px);
    --line: rgba(17, 17, 17, 0.09);
  }

  .section,
  .band,
  .appointment {
    padding: 58px 0;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .row-heading {
    gap: 18px;
  }

  h1 {
    font-size: clamp(48px, 18vw, 72px);
  }

  h2 {
    font-size: clamp(28px, 9vw, 38px);
  }

  h3 {
    font-size: 20px;
  }

  .hero {
    min-height: 690px;
  }

  .hero-overlay {
    background:
      linear-gradient(0deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.42) 44%, rgba(0, 0, 0, 0.12)),
      linear-gradient(90deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.04));
  }

  .hero-content {
    min-height: 690px;
    padding-top: 104px;
    padding-bottom: 28px;
  }

  .brand {
    min-width: 168px;
  }

  .brand-logo {
    width: 168px;
  }

  .site-header {
    min-height: 64px;
    padding-block: 10px;
  }

  .nav-toggle {
    width: 38px;
    height: 38px;
  }

  .nav {
    right: 16px;
    top: 58px;
    min-width: min(300px, calc(100vw - 32px));
  }

  .hero-copy {
    margin-top: 18px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 24px;
  }

  .button {
    width: 100%;
    min-height: 44px;
    padding-inline: 14px;
  }

  .eyebrow,
  .section-kicker {
    margin-bottom: 10px;
  }

  .hero-facts,
  .service-list,
  .store-grid,
  .growth-note,
  .proof-side {
    grid-template-columns: 1fr;
  }

  .proof-main div,
  .proof-side article div {
    padding: 18px;
  }

  .hero-facts {
    max-width: 100%;
    margin-top: 28px;
    background: rgba(255, 255, 255, 0.14);
  }

  .hero-facts div {
    display: grid;
    grid-template-columns: 54px 1fr;
    align-items: baseline;
    gap: 12px;
    padding: 12px 14px;
  }

  .hero-facts dt {
    font-size: 28px;
  }

  .hero-facts dd {
    margin: 0;
  }

  .intro-grid {
    gap: 20px;
  }

  .intro-copy p,
  .section-heading p:not(.section-kicker),
  .process-grid > div > p,
  .visual-copy p:not(.section-kicker),
  .appointment-panel p:not(.section-kicker) {
    font-size: 16px;
  }

  .service-layout {
    gap: 16px;
  }

  .feature-panel,
  .proof-main,
  .proof-side article,
  .store-card,
  details {
    box-shadow: none;
  }

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

  .feature-panel div {
    padding: 20px;
  }

  .service-list {
    gap: 10px;
  }

  .service-list article,
  .store-card {
    min-height: auto;
  }

  .service-list article {
    padding: 18px;
    background: var(--white);
  }

  .service-list span,
  .process-list span {
    margin-bottom: 16px;
  }

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

  .proof-lead {
    border: 1px solid rgba(181, 138, 60, 0.2);
    border-radius: var(--radius);
    padding: 16px;
    background: #f4efe5;
  }

  .proof-lead strong {
    font-size: 16px;
  }

  .proof-grid {
    gap: 12px;
  }

  .proof-main {
    background: #fffaf4;
  }

  .proof-main img,
  .proof-side img {
    background: #ead9cb;
  }

  .proof-side {
    display: flex;
    gap: 12px;
    margin-inline: -16px;
    padding: 0 16px 4px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .proof-side article {
    flex: 0 0 84%;
    scroll-snap-align: start;
    background: var(--white);
  }

  .proof-side article div {
    padding: 16px;
  }

  .visual-band {
    background: #15130f;
  }

  .visual-copy {
    padding: 54px 16px 34px;
  }

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

  .store-grid {
    gap: 10px;
  }

  .store-card {
    padding: 18px;
  }

  .wechat-card,
  .search-card {
    min-height: auto;
  }

  .wechat-card img {
    max-height: 280px;
  }

  .store-card p {
    margin-bottom: 34px;
  }

  .growth-note {
    gap: 10px;
    padding: 18px;
  }

  .process-grid {
    gap: 26px;
  }

  .process-grid img {
    order: -1;
    aspect-ratio: 4 / 3;
    box-shadow: none;
  }

  .process-list {
    margin-top: 24px;
  }

  .appointment {
    background:
      linear-gradient(180deg, rgba(13, 12, 10, 0.98), rgba(35, 31, 24, 0.96)),
      var(--black);
  }

  .appointment-steps {
    margin-top: 22px;
  }

  .appointment-actions {
    max-width: none;
  }

  .wechat-card,
  .search-card {
    box-shadow: none;
  }

  .faq-list {
    gap: 8px;
  }

  summary {
    padding: 17px 18px;
  }

  details p {
    padding: 0 18px 18px;
  }

  .footer-grid {
    display: grid;
  }

  .footer-grid a {
    white-space: normal;
  }
}
