:root {
  --orange: #ff5a00;
  --orange-dark: #d84700;
  --orange-soft: #fff1e8;
  --ink: #171411;
  --ink-soft: #3d3935;
  --muted: #77716b;
  --paper: #f8f5f0;
  --paper-warm: #f3ede5;
  --white: #ffffff;
  --line: #e5dfd7;
  --line-dark: #d8cfc5;
  --maxw: 1280px;
  --nav-h: 76px;
  --radius-sm: 8px;
  --radius: 16px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea {
  font-family: var(--font);
}

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

a,
button {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(calc(100% - 48px), var(--maxw));
  margin-inline: auto;
}

.material-symbols-rounded {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  line-height: 1;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 25px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.btn--primary {
  background: var(--orange);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--orange-dark);
}

.btn--text {
  padding-inline: 4px;
  color: var(--ink);
}

.btn--text:hover {
  color: var(--orange);
}

.section {
  padding-block: 118px;
}

.section__head {
  max-width: 760px;
  margin-bottom: 62px;
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.section__eyebrow,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  border: 2px solid var(--orange);
  border-radius: 50%;
}

.section__title {
  margin: 0;
  font-size: clamp(36px, 4.2vw, 56px);
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1.18;
}

.section__desc {
  max-width: 600px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
}

.section__head--center .section__desc {
  margin-inline: auto;
}

/* Navigation */
.nav {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, .96);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.nav.is-scrolled {
  border-bottom-color: rgba(24, 20, 17, .08);
  box-shadow: 0 8px 28px rgba(31, 23, 17, .05);
}

.nav__inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -.04em;
}

.brand__logo {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  object-fit: contain;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 42px;
}

.nav__link {
  position: relative;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
}

.nav__link::after {
  position: absolute;
  right: 50%;
  bottom: -10px;
  left: 50%;
  height: 2px;
  background: var(--orange);
  content: "";
  transition: right 180ms ease, left 180ms ease;
}

.nav__link:hover {
  color: var(--orange);
}

.nav__link:hover::after {
  right: 0;
  left: 0;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  content: "";
  transition: transform 180ms ease;
}

.nav__toggle span::before { transform: translateY(-6px); }
.nav__toggle span::after { transform: translateY(4.5px); }

/* Hero */
.hero {
  position: relative;
  display: flex;
  min-height: clamp(720px, 64vw, 900px);
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
  background: #f7eee5;
}

.hero__media,
.hero__veil {
  position: absolute;
  inset: var(--nav-h) 0 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero__veil {
  background: rgba(255, 255, 255, .03);
}

.hero__inner {
  position: relative;
  z-index: 2;
}

.hero__content {
  width: 48%;
  max-width: 590px;
  padding-block: 74px 68px;
}

.hero__title {
  margin: 0;
  font-size: clamp(48px, 5.3vw, 76px);
  font-weight: 620;
  letter-spacing: -.065em;
  line-height: 1.15;
}

.hero__lead {
  max-width: 455px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 36px;
}

/* Relationship journey */
.journey {
  background: var(--white);
}

.journey__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.journey__step {
  min-width: 0;
}

.journey__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
}

.journey__visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.journey__step:first-child .journey__visual > img {
  object-position: 70% center;
}

.journey__visual--member {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 22px;
  border: 1px solid #f1d7c7;
  background: var(--orange-soft);
}

.member-card,
.member-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(255, 90, 0, .18);
  border-radius: 12px;
  background: var(--white);
}

.member-card img {
  width: 38px;
  height: 38px;
}

.member-card span,
.member-profile small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.member-card strong,
.member-profile strong {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 600;
}

.member-profile > .material-symbols-rounded {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--orange-soft);
  color: var(--orange);
}

.member-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.member-tags span {
  padding: 5px 8px;
  border: 1px solid rgba(255, 90, 0, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  color: var(--orange-dark);
  font-size: 10px;
}

.journey__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}

.journey__meta span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.journey__meta h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
}

.journey__step > p {
  margin: 12px 0 0 48px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.relationship-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 76px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.relationship-values article {
  display: flex;
  min-height: 138px;
  align-items: center;
  gap: 16px;
  padding: 28px;
}

.relationship-values article + article {
  border-left: 1px solid var(--line);
}

.relationship-values .material-symbols-rounded {
  color: var(--orange);
  font-size: 32px;
}

.relationship-values h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.relationship-values p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

/* Capabilities */
.capabilities {
  padding-block: 0;
  border-block: 1px solid var(--line);
  background: var(--paper);
}

.capabilities__shell {
  display: grid;
  grid-template-columns: minmax(500px, 54%) minmax(0, 46%);
  width: min(calc(100% - 64px), 1180px);
  max-width: 1180px;
  height: 500px;
  min-height: 0;
  margin-inline: auto;
}

.capabilities__content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 30px clamp(34px, 4vw, 64px) 26px clamp(44px, 5vw, 82px);
}

.capabilities__content .section__head {
  max-width: 560px;
  margin-bottom: 16px;
}

.capabilities__content .section__title {
  font-size: clamp(34px, 3.2vw, 46px);
}

.capabilities__content .section__desc {
  margin-top: 10px;
  font-size: 14px;
}

.capabilities__path {
  display: grid;
}

.capabilities__path article {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding-bottom: 9px;
}

.capabilities__path article:not(:last-child)::after {
  position: absolute;
  top: 34px;
  bottom: 0;
  left: 16px;
  width: 1px;
  background: rgba(255, 90, 0, .28);
  content: "";
}

.capabilities__path-icon {
  position: relative;
  z-index: 1;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 90, 0, .48);
  border-radius: 50%;
  background: var(--paper);
  color: var(--orange);
  font-size: 18px;
}

.capabilities__path h3 {
  margin: 0;
  padding-top: 1px;
  font-size: 15px;
  font-weight: 600;
}

.capabilities__path p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.capabilities__channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.capabilities__channels > div {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding-right: 14px;
  color: var(--ink-soft);
  font-size: 11px;
  white-space: nowrap;
}

.capabilities__channels > div + div {
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.capabilities__channels .material-symbols-rounded {
  flex: 0 0 auto;
  color: var(--orange);
  font-size: 18px;
}

.capabilities__scene {
  position: relative;
  height: 500px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.capabilities__scene::after {
  position: absolute;
  inset: 0;
  background: rgba(248, 245, 240, .24);
  content: "";
  pointer-events: none;
}

.capabilities__scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% center;
  filter: saturate(.82) contrast(.96);
}

/* Multi-store relationship */
.relation {
  background: var(--white);
}

.relation__grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 100px;
}

.relation__intro {
  position: sticky;
  top: calc(var(--nav-h) + 42px);
  align-self: start;
}

.relation__intro > p {
  max-width: 440px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 17px;
}

.relation__rows article {
  display: grid;
  grid-template-columns: 56px 170px 1fr;
  align-items: start;
  gap: 22px;
  padding-block: 30px;
  border-top: 1px solid var(--line);
}

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

.relation__rows span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
}

.relation__rows h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.relation__rows p {
  color: var(--muted);
  font-size: 14px;
}

/* About */
.about {
  padding-block: 120px;
  background: var(--ink);
  color: var(--white);
}

.about__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 120px;
  align-items: end;
}

.about__title-wrap h2 {
  margin: 0;
  font-size: clamp(48px, 5vw, 70px);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: 1.18;
}

.about__copy {
  max-width: 590px;
  color: rgba(255, 255, 255, .7);
  font-size: 18px;
  line-height: 2;
}

.about__copy p + p {
  margin-top: 20px;
}

/* Contact */
.contact {
  background: var(--white);
}

.contact__panel {
  display: grid;
  grid-template-columns: 1.15fr .8fr 190px;
  gap: 70px;
  align-items: center;
  padding: 62px 68px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.contact__copy h2 {
  margin: 0;
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -.05em;
  line-height: 1.2;
}

.contact__copy p {
  margin-top: 18px;
  color: var(--muted);
}

.contact__copy .btn {
  margin-top: 30px;
}

.contact__details {
  display: grid;
  gap: 18px;
}

.contact__details > div {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
}

.contact__details small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.contact__details a,
.contact__details p {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 14px;
}

.contact__details a:hover {
  color: var(--orange);
}

.contact__qr-wrap {
  text-align: center;
}

.contact__qr-wrap img {
  width: 156px;
  height: 156px;
  margin-inline: auto;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.contact__qr-wrap p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

/* Footer */
.footer {
  padding-block: 68px 30px;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 52px;
}

.brand--footer {
  font-size: 19px;
}

.footer__brand-wrap > p {
  max-width: 410px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 14px 34px;
  align-content: start;
}

.footer__nav a,
.footer__nav button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: left;
}

.footer__nav a:hover,
.footer__nav button:hover {
  color: var(--orange);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.footer__beian {
  display: flex;
  gap: 16px;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}