:root {
  --bean: #8f2436;
  --bean-deep: #6b1a28;
  --ink: #1c1416;
  --ink-soft: #4a3f42;
  --mist: #f6eef0;
  --blush: #f0dde2;
  --line: rgba(143, 36, 54, 0.14);
  --paper: #fffaf9;
  --max: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(143, 36, 54, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 20%, rgba(196, 120, 130, 0.12), transparent 55%),
    var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
.brand-mark,
.logo-zh {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.logo-en,
.eyebrow,
.step-num,
.promise-note {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(255, 250, 249, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 250, 249, 0.92);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.logo-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.logo-zh {
  font-size: 1.28rem;
  color: var(--bean);
}

.logo-en {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--ink-soft);
  transition: color 0.25s var(--ease);
}

.nav a:hover {
  color: var(--bean);
}

.nav-cta {
  color: var(--bean) !important;
  font-weight: 500;
}

.menu-btn {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  display: grid;
  place-content: center;
  gap: 7px;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(4.25px) rotate(40deg);
}

.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-4.25px) rotate(-40deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto;
  z-index: 35;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.25rem 1.5rem;
  background: rgba(255, 250, 249, 0.97);
  border-bottom: 1px solid var(--line);
}

.mobile-nav a {
  padding: 0.85rem 0.25rem;
  font-size: 1.05rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.mobile-nav[hidden] {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: #fffaf8;
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: hero-drift 18s var(--ease) infinite alternate;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28, 20, 22, 0.18) 0%, rgba(28, 20, 22, 0.42) 42%, rgba(28, 20, 22, 0.72) 100%),
    linear-gradient(90deg, rgba(70, 24, 32, 0.42), transparent 58%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 0 4.5rem;
  animation: rise 1s var(--ease) both;
}

.brand-mark {
  margin: 0 0 1rem;
  font-size: clamp(3.2rem, 10vw, 6.5rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
}

.hero h1 {
  margin: 0;
  max-width: 12em;
  font-size: clamp(1.7rem, 4.2vw, 2.75rem);
  font-weight: 600;
}

.hero-lead {
  margin: 1.1rem 0 0;
  max-width: 22em;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: rgba(255, 250, 248, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.4rem;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-primary {
  background: var(--bean);
  color: #fffaf8;
}

.btn-primary:hover {
  background: var(--bean-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: rgba(255, 250, 248, 0.55);
  color: #fffaf8;
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(255, 250, 248, 0.1);
}

.section {
  padding: clamp(4.5rem, 10vw, 7rem) 0;
}

.section-inner {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bean);
}

.section h2 {
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
}

.section-lead {
  margin: 1rem 0 0;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section-local {
  background:
    linear-gradient(180deg, var(--mist), transparent 40%),
    var(--paper);
}

.local-points {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.local-points li {
  display: grid;
  gap: 0.35rem;
  padding-left: 1rem;
  border-left: 2px solid var(--bean);
}

.local-points strong {
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
  font-weight: 600;
}

.local-points span {
  color: var(--ink-soft);
}

.section-process {
  background: linear-gradient(160deg, #f3e4e8 0%, var(--paper) 55%);
}

.steps {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.steps li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

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

.step-num {
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: var(--bean);
  padding-top: 0.15rem;
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

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

.section-whom {
  background: var(--paper);
}

.whom-grid {
  display: grid;
  gap: 2.5rem;
}

.whom-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.whom-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.whom-list li:first-child {
  border-top: 1px solid var(--line);
}

.section-promise {
  padding-block: clamp(4rem, 9vw, 6rem);
  background:
    radial-gradient(circle at 20% 30%, rgba(143, 36, 54, 0.18), transparent 45%),
    linear-gradient(135deg, #6b1a28, #9a3144 55%, #7d2435);
  color: #fff7f6;
}

.promise-block {
  text-align: center;
}

.promise-block blockquote {
  margin: 0;
}

.promise-block p {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.45rem, 3.5vw, 2.1rem);
  line-height: 1.6;
  letter-spacing: 0.06em;
}

.promise-note {
  margin: 1.5rem 0 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.78;
  font-size: 0.95rem;
}

.section-contact {
  background:
    linear-gradient(180deg, var(--blush), var(--paper) 35%);
}

.contact-grid {
  display: grid;
  gap: 2.75rem;
}

.contact-meta {
  margin: 2rem 0 0;
  display: grid;
  gap: 1.1rem;
}

.contact-meta div {
  display: grid;
  gap: 0.2rem;
}

.contact-meta dt {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--bean);
}

.contact-meta dd {
  margin: 0;
  color: var(--ink-soft);
}

.contact-meta a {
  color: var(--bean-deep);
  border-bottom: 1px solid rgba(107, 26, 40, 0.25);
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--line);
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
}

.contact-form span {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(143, 36, 54, 0.22);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
  padding: 0.85rem 0.95rem;
  font: inherit;
  outline: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--bean);
  background: #fff;
}

.contact-form .btn {
  width: fit-content;
  margin-top: 0.35rem;
}

.form-hint,
.form-success {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.form-success {
  color: var(--bean-deep);
  font-weight: 500;
}

.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  background: #f3e8eb;
}

.footer-inner {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
  display: grid;
  gap: 0.55rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand .logo-mark {
  width: 40px;
  height: 40px;
}

.footer-brand .logo-zh {
  font-size: 1.3rem;
  color: var(--bean);
}

.footer-brand .logo-en {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.site-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-copy {
  margin-top: 0.5rem !important;
  font-size: 0.85rem !important;
  opacity: 0.85;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

@keyframes hero-drift {
  from {
    transform: scale(1.06) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.12) translate3d(-1.5%, -1%, 0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .menu-btn {
    display: none;
  }

  .local-points {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .local-points li {
    padding-left: 1.15rem;
  }

  .whom-grid,
  .contact-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 4rem;
  }

  .contact-form {
    border-top: 0;
    padding-top: 0;
    padding-left: 2rem;
    border-left: 1px solid var(--line);
  }

  .steps li {
    grid-template-columns: 5.5rem 1fr;
    gap: 1.5rem;
    padding: 1.75rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .hero-content,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}