/* ========== Design Tokens ========== */
:root {
  --cream: #F5F1EC;
  --ivory: #FBFAF8;
  --walnut: #6B4632;
  --champagne: #E7D6C7;
  --copper: #A67859;
  --espresso: #2F2B29;
  --olive: #708D57;
  --line: #E9E0D5;
  --line-soft: #F0E9DF;
  --muted: #8C8073;
  --muted-2: #A89B8C;
  --wash: #EFE7DC;
  --warm-bg: #F5EDE4;

  --serif: "Cormorant Garamond", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --serif-cn: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --sans: "Noto Sans SC", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  --sh-sm: 0 1px 2px rgba(47,43,41,.04), 0 3px 10px rgba(47,43,41,.04);
  --sh-md: 0 6px 18px rgba(47,43,41,.06), 0 16px 40px rgba(47,43,41,.05);
  --sh-lg: 0 14px 44px rgba(47,43,41,.10), 0 4px 12px rgba(47,43,41,.05);

  --header-h: 76px;
  --container: 1240px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--espresso);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--walnut);
  color: var(--ivory);
  padding: 8px 16px;
  z-index: 10000;
  transition: top .2s;
}
.skip-link:focus { top: 0; }

/* ========== Utilities ========== */
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}
.section { padding: 120px 0; }
.section--warm { background: var(--warm-bg); }
.section--soft {
  background:
    radial-gradient(1200px 700px at 18% -10%, #FBF7F1 0%, rgba(251,247,241,0) 60%),
    radial-gradient(1000px 800px at 110% 20%, #F1E9DD 0%, rgba(241,233,221,0) 55%),
    var(--cream);
}

.section-eyebrow {
  font-size: 12px;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: .3px;
  margin: 0;
}

.section-desc {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  max-width: 480px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 64px;
}

.section-header--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.section-header--center .section-desc { max-width: 620px; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .4px;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), background .25s;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--walnut);
  color: var(--ivory);
  box-shadow: 0 4px 14px rgba(107, 70, 50, .28);
}
.btn-primary:hover { background: #5a3a29; box-shadow: 0 6px 20px rgba(107, 70, 50, .35); }

.btn-secondary {
  background: var(--copper);
  color: var(--ivory);
  box-shadow: 0 4px 14px rgba(166, 120, 89, .28);
}
.btn-secondary:hover { background: #8f664a; }

.btn-ghost {
  background: rgba(255,255,255,.55);
  color: var(--walnut);
  border-color: var(--champagne);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: #fff; border-color: var(--copper); }

.btn-lg { padding: 16px 34px; font-size: 15px; }

/* ========== Header ========== */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-h);
  transition: background .35s, box-shadow .35s;
}
.site-header.is-scrolled {
  background: rgba(251, 250, 248, .92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(47,43,41,.06);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-seal {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--walnut);
  display: grid;
  place-items: center;
  box-shadow: var(--sh-md);
  flex: none;
}
.brand-seal img { width: 60%; height: 60%; object-fit: contain; }
.brand-seal--sm { width: 38px; height: 38px; }

.brand-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-en {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 1.4px;
  color: var(--walnut);
  font-weight: 600;
}
.brand-cn {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .6px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-size: 14px;
  color: var(--espresso);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1.5px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease-out);
}
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 16px; }

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: rgba(255,255,255,.7);
  border-radius: 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--walnut);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(251, 250, 248, .96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding: 16px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--sh-lg);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav a {
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--espresso);
  transition: background .2s;
}
.mobile-nav a:hover { background: var(--wash); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 64px) 0 100px;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 18% -10%, #FBF7F1 0%, rgba(251,247,241,0) 60%),
    radial-gradient(1000px 800px at 110% 20%, #F1E9DD 0%, rgba(241,233,221,0) 55%),
    var(--cream);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .45;
}
.hero-bg-glow-1 {
  width: 560px;
  height: 560px;
  top: -120px;
  left: -120px;
  background: var(--champagne);
}
.hero-bg-glow-2 {
  width: 480px;
  height: 480px;
  bottom: -80px;
  right: -80px;
  background: #E0D4C4;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content { max-width: 620px; }

.eyebrow {
  font-size: 12px;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--serif-cn);
  font-weight: 600;
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: .5px;
  margin: 0 0 22px;
}
.hero-title-line { display: block; }

.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 42px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-2);
}
.hero-meta-item strong {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--walnut);
  font-weight: 600;
}
.hero-meta-item--divider {
  width: 1px;
  height: 24px;
  background: var(--line);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-frame {
  position: relative;
  width: 100%;
  max-width: 560px;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  aspect-ratio: 3/4;
}
.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(47,43,41,.08) 0%, rgba(47,43,41,0) 35%, rgba(47,43,41,.38) 100%);
  pointer-events: none;
}
.hero-image-caption {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  z-index: 2;
  color: rgba(255,255,255,.92);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero-image-caption span:last-child {
  font-family: var(--serif-cn);
  font-size: 18px;
  text-transform: none;
  letter-spacing: 2px;
}

.hero-float-card {
  position: absolute;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 22px;
  box-shadow: var(--sh-md);
  z-index: 3;
}
.hero-float-card--1 {
  top: 60px;
  right: -20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.hero-float-card--2 {
  bottom: 80px;
  left: -30px;
}
.float-num {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--walnut);
  line-height: 1;
}
.float-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .5px;
}
.float-value {
  display: block;
  font-family: var(--serif-cn);
  font-size: 18px;
  color: var(--walnut);
  margin-top: 4px;
}

/* ========== Philosophy ========== */
.philosophy-inner {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}
.philosophy-title { margin-bottom: 28px; }
.philosophy-text {
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto 64px;
}
.philosophy-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}
.value-item {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px;
  box-shadow: var(--sh-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.value-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-md);
}
.value-num {
  display: inline-block;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--copper);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.value-item h3 {
  font-family: var(--serif-cn);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 12px;
}
.value-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

/* ========== Features ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px;
  box-shadow: var(--sh-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-md);
}
.feature-card--large {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}
.feature-icon img { width: 28px; height: 28px; }
.feature-icon--walnut { background: var(--walnut); }
.feature-icon--walnut img { filter: brightness(0) invert(1); }
.feature-icon--copper { background: rgba(166, 120, 89, .12); }
.feature-icon--copper img { filter: invert(44%) sepia(24%) saturate(890%) hue-rotate(348deg) brightness(95%) contrast(86%); }

.feature-card h3 {
  font-family: var(--serif-cn);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
}
.feature-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
  margin: 0 0 20px;
}
.feature-card--large p { flex: 1; }
.feature-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--copper);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feature-link span { transition: transform .25s; }
.feature-link:hover span { transform: translateX(4px); }

/* ========== App Showcase ========== */
.app-showcase-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.app-showcase-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.phone-mockup {
  width: 320px;
  height: 680px;
  background: var(--espresso);
  border-radius: 48px;
  padding: 14px;
  box-shadow: var(--sh-lg);
  position: relative;
}
.phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 26px;
  background: var(--espresso);
  border-radius: 0 0 18px 18px;
  z-index: 3;
}
.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 38px;
  overflow: hidden;
  position: relative;
}
.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.phone-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(47,43,41,.28) 0%, rgba(47,43,41,0) 40%, rgba(47,43,41,.55) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 38px;
  color: #fff;
}
.phone-tag {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: .85;
  margin-bottom: 10px;
}
.phone-headline {
  font-family: var(--serif-cn);
  font-size: 26px;
  line-height: 1.25;
}

.app-showcase-float {
  position: absolute;
  right: 0;
  bottom: 80px;
}
.mini-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 20px;
  box-shadow: var(--sh-md);
}
.mini-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--walnut);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 18px;
}
.mini-card strong {
  display: block;
  font-size: 14px;
  color: var(--espresso);
}
.mini-card span {
  font-size: 12px;
  color: var(--muted);
}

.app-showcase-content { max-width: 520px; }
.app-showcase-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin: 22px 0 32px;
}
.app-showcase-list {
  list-style: none;
  padding: 0;
  margin: 0 0 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.app-showcase-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.app-showcase-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--copper);
  margin-top: 8px;
  flex: none;
}
.app-showcase-list strong {
  display: block;
  font-size: 15px;
  color: var(--espresso);
  margin-bottom: 4px;
}
.app-showcase-list span {
  font-size: 14px;
  color: var(--muted);
}

/* ========== Steps ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}
.step-item {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 42px 34px;
  text-align: center;
  box-shadow: var(--sh-sm);
  position: relative;
  transition: transform .3s var(--ease-out);
}
.step-item:hover { transform: translateY(-6px); }
.step-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--copper);
  border-radius: 0 0 4px 4px;
}
.step-num {
  display: block;
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 18px;
  line-height: 1;
}
.step-item h3 {
  font-family: var(--serif-cn);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
}
.step-item p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

/* ========== Gallery ========== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 320px;
  gap: 20px;
}
.gallery-item {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: 0;
  box-shadow: var(--sh-sm);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item--large {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item--wide {
  grid-column: span 2;
}
.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 28px;
  background: linear-gradient(transparent, rgba(47,43,41,.65));
  color: #fff;
  z-index: 2;
}
.gallery-item figcaption span {
  display: block;
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: .85;
  margin-bottom: 4px;
}
.gallery-item figcaption strong {
  display: block;
  font-family: var(--serif-cn);
  font-size: 22px;
  font-weight: 600;
}

/* ========== Testimonials ========== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px;
  box-shadow: var(--sh-sm);
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.testimonial-card > p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--espresso);
  margin: 0 0 28px;
}
.testimonial-card footer {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--walnut);
  color: var(--ivory);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}
.testimonial-card footer strong {
  display: block;
  font-size: 15px;
  color: var(--espresso);
}
.testimonial-card footer span {
  font-size: 13px;
  color: var(--muted);
}

/* ========== Download ========== */
.download {
  background:
    radial-gradient(1200px 700px at 90% 110%, #F1E9DD 0%, rgba(241,233,221,0) 55%),
    var(--warm-bg);
}
.download-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.download-content { max-width: 520px; }
.download-title { margin-bottom: 22px; }
.download-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 32px;
}
.download-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.download-qr {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
}
.download-qr-img {
  width: 200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(107, 70, 50, 0.15);
  margin-bottom: 12px;
}
.download-qr-hint {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin: 0;
}
.download-qr-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}
.download-qr span {
  font-size: 14px;
  color: var(--muted);
}
.download-visual {
  display: flex;
  justify-content: center;
}
.download-image-frame {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1/1.15;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  transform: rotate(2deg);
  transition: transform .4s var(--ease-out);
}
.download-image-frame:hover { transform: rotate(0deg); }
.download-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--espresso);
  color: rgba(255,255,255,.75);
  padding: 72px 0 40px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand .brand-en { color: var(--ivory); }
.footer-brand .brand-cn { color: rgba(255,255,255,.6); }

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color .2s;
}
.footer-nav a:hover { color: var(--ivory); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 32px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom p { margin: 0; }

.footer-legal {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  padding-top: 28px;
  margin-top: 8px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12.5px;
}
.footer-legal a {
  color: rgba(255,255,255,.5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s;
}
.footer-legal a:hover { color: var(--ivory); }
.beian-shield { display: inline-flex; color: rgba(255,255,255,.5); }
.footer-legal a:hover .beian-shield { color: var(--ivory); }

/* ========== Section Desc Center ========== */
.section-desc--center {
  margin-inline: auto;
  text-align: center;
  margin-top: 24px;
}

/* ========== Pain Points ========== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.pain-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 26px 32px;
  box-shadow: var(--sh-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--champagne);
}
.pain-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.pain-num {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--champagne);
  display: block;
  margin-bottom: 14px;
  line-height: 1;
}
.pain-card h3 {
  font-family: var(--serif-cn);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 10px;
  line-height: 1.4;
}
.pain-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}
.pain-closing {
  text-align: center;
  margin-top: 48px;
  font-family: var(--serif-cn);
  font-size: 22px;
  color: var(--walnut);
  letter-spacing: 1px;
}

/* ========== AI Try-On ========== */
.tryon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  margin-top: 64px;
}
.tryon-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.tryon-device {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 3 / 4;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  background: var(--espresso);
}
.tryon-layer--result { position: absolute; inset: 0; }
.tryon-layer--result img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .4s ease;
}
.tryon-device::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(47,43,41,.05) 0%, rgba(47,43,41,0) 40%, rgba(47,43,41,.42) 100%);
  pointer-events: none;
  z-index: 2;
}
.tryon-scan { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.scan-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 68%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1.5px solid rgba(251,250,248,.55);
  animation: dwpulse 2.8s ease-in-out infinite;
}
.scan-line {
  position: absolute;
  left: 12%; right: 12%;
  top: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(251,250,248,.95), transparent);
  box-shadow: 0 0 16px rgba(251,250,248,.6);
  animation: dwscan 2.8s linear infinite;
}
@keyframes dwpulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: .7; }
  50% { transform: translate(-50%, -50%) scale(1.06); opacity: 1; }
}
@keyframes dwscan {
  0% { top: 8%; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { top: 92%; opacity: 0; }
}
.tryon-loading {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: rgba(47,43,41,.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #fff;
  font-size: 14px;
  letter-spacing: 1px;
}
.tryon-loading[hidden] { display: none; }
.spinner {
  width: 38px; height: 38px;
  border: 3px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.tryon-chips {
  position: absolute;
  left: 16px; right: 16px; bottom: 16px;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tryon-chip {
  font-size: 12px;
  color: var(--ivory);
  background: rgba(47,43,41,.5);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(251,250,248,.25);
  padding: 7px 12px;
  border-radius: var(--r-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  animation: dwfloat 4.2s ease-in-out infinite;
}
.tryon-chip:nth-child(2) { animation-delay: .6s; }
.tryon-chip:nth-child(3) { animation-delay: 1.2s; }
.tryon-chip i { color: #9FD69F; font-style: normal; font-weight: 700; }
@keyframes dwfloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
.tryon-tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.tryon-tab {
  border: 1px solid var(--champagne);
  background: var(--ivory);
  color: var(--walnut);
  padding: 10px 18px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s var(--ease-out);
}
.tryon-tab:hover { border-color: var(--copper); }
.tryon-tab.is-active { background: var(--walnut); color: var(--ivory); border-color: var(--walnut); }

.tryon-content { max-width: 520px; }
.tryon-badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--copper);
  border: 1px solid var(--champagne);
  background: rgba(231,214,199,.3);
  padding: 7px 14px;
  border-radius: var(--r-pill);
  margin-bottom: 18px;
}
.tryon-subtitle {
  font-family: var(--serif-cn);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 18px;
}
.tryon-lead { font-size: 16px; color: var(--muted); line-height: 1.8; margin: 0 0 26px; }
.tryon-list { list-style: none; padding: 0; margin: 0 0 22px; display: flex; flex-direction: column; gap: 14px; }
.tryon-list li { display: flex; flex-direction: column; gap: 2px; padding-left: 18px; position: relative; }
.tryon-list li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--copper);
}
.tryon-list b { font-size: 15px; color: var(--espresso); }
.tryon-list span { font-size: 13.5px; color: var(--muted); }
.tryon-tip {
  font-family: var(--serif-cn);
  font-size: 17px;
  color: var(--walnut);
  background: var(--ivory);
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  padding: 14px 18px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  margin: 0 0 18px;
}
.tryon-value { font-size: 14px; color: var(--muted); line-height: 1.75; margin: 0; }

/* ========== Value Mapping ========== */
.value-table {
  margin-top: 56px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ivory);
  box-shadow: var(--sh-sm);
}
.value-head, .value-row { display: grid; grid-template-columns: 1fr 1.2fr 1.2fr; }
.value-head { background: var(--walnut); color: var(--ivory); }
.value-head span {
  padding: 16px 22px;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}
.value-row { border-top: 1px solid var(--line); transition: background .2s; }
.value-row:hover { background: var(--wash); }
.value-cell {
  padding: 20px 22px;
  font-size: 14.5px;
  line-height: 1.7;
  border-left: 1px solid var(--line-soft);
}
.value-cell:first-child { border-left: none; }
.value-cell--pain { color: var(--muted); }
.value-cell b { color: var(--walnut); }
.value-cell--gain {
  color: var(--olive);
  font-weight: 500;
  background: rgba(112,141,87,.07);
}

/* ========== Reveal Animation ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-inner { gap: 40px; }
  .hero-image-frame { max-width: 440px; }
  .hero-float-card--1 { right: 0; }
  .hero-float-card--2 { left: 0; }
  .app-showcase-inner { gap: 48px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card--large { grid-row: auto; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--large { grid-column: span 2; grid-row: span 2; }
  .gallery-item--wide { grid-column: span 2; }
  .pain-grid { grid-template-columns: repeat(3, 1fr); }
  .tryon-grid { gap: 48px; }
}

@media (max-width: 860px) {
  :root { --header-h: 68px; }
  .main-nav, .header-actions .btn { display: none; }
  .menu-toggle { display: flex; }
  .header-actions { gap: 10px; }

  .section { padding: 80px 0; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 44px; }
  .section-header--center { align-items: center; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-content { max-width: 100%; }
  .hero-lead { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-meta { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-image-frame { max-width: 360px; }
  .hero-float-card { display: none; }

  .philosophy-values { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--large { grid-row: auto; }

  .app-showcase-inner { grid-template-columns: 1fr; text-align: center; }
  .app-showcase-content { max-width: 100%; }
  .app-showcase-list { text-align: left; max-width: 420px; margin-inline: auto; }
  .app-showcase-visual { order: -1; }
  .phone-mockup { width: 280px; height: 580px; }
  .app-showcase-float { right: -10px; }

  .steps-grid { grid-template-columns: 1fr; margin-top: 44px; }
  .gallery-grid { grid-auto-rows: 240px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .tryon-grid { grid-template-columns: 1fr; }
  .tryon-content { max-width: 100%; }
  .tryon-device { max-width: 380px; }
  .download-inner { grid-template-columns: 1fr; text-align: center; }
  .download-content { max-width: 100%; }
  .download-actions { justify-content: center; }
  .download-qr { margin-inline: auto; }
  .download-visual { order: -1; }
  .download-image-frame { max-width: 360px; }

  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .container { width: min(100% - 32px, var(--container)); }
  .section { padding: 64px 0; }
  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-title { font-size: 38px; }
  .hero-image-frame { max-width: 100%; }
  .btn-lg { padding: 14px 26px; }
  .phone-mockup { width: 260px; height: 540px; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 280px; }
  .gallery-item--large, .gallery-item--wide { grid-column: span 1; grid-row: span 1; }
  .pain-grid { grid-template-columns: 1fr; }
  .tryon-subtitle { font-size: 26px; }
  .value-head { display: none; }
  .value-row { grid-template-columns: 1fr; }
  .value-cell { border-left: none; border-top: 1px solid var(--line-soft); padding: 16px; }
  .value-cell:first-child { border-top: none; font-weight: 600; color: var(--walnut); }
}