:root {
  --ink: #17212b;
  --muted: #607080;
  --line: #d9e2ea;
  --blue: #0f66d0;
  --teal: #12a59a;
  --yellow: #f4b740;
  --paper: #f7fafc;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--paper);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(23, 33, 43, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 176px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  font-weight: 900;
  background: var(--blue);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  color: #334252;
  font-size: 15px;
}

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

.header-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  color: var(--white);
  font-weight: 700;
  background: var(--teal);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 72px);
  overflow: hidden;
}

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

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: opacity;
}

.home-kitchen {
  animation: homeKitchenFade 8s ease-in-out infinite;
}

.commercial-kitchen {
  opacity: 0;
  animation: commercialKitchenFade 8s ease-in-out infinite;
}

@keyframes homeKitchenFade {
  0%,
  42% {
    opacity: 1;
  }

  50%,
  92% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes commercialKitchenFade {
  0%,
  42% {
    opacity: 0;
  }

  50%,
  92% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(10, 24, 38, 0.86) 0%, rgba(10, 24, 38, 0.64) 45%, rgba(10, 24, 38, 0.18) 100%),
    linear-gradient(0deg, rgba(10, 24, 38, 0.16), rgba(10, 24, 38, 0.16));
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 92px);
  padding: 72px 0 120px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--yellow);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(56px, 8vw, 112px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button,
.booking-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
.booking-form button {
  color: var(--white);
  background: var(--blue);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(1180px, calc(100% - 40px));
  margin: -62px auto 0;
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-radius: 8px;
  background: var(--line);
  box-shadow: 0 18px 48px rgba(23, 33, 43, 0.14);
}

.stats-band div {
  min-height: 124px;
  padding: 28px;
  background: var(--white);
}

.stats-band strong {
  display: block;
  color: var(--blue);
  font-size: clamp(28px, 4vw, 40px);
}

.stats-band span {
  color: var(--muted);
}

.section,
.split-section,
.assurance,
.contact-section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading.align-left {
  margin: 0;
  text-align: left;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p,
.contact-copy p,
.assurance p,
.timeline p,
.service-card p {
  color: var(--muted);
  line-height: 1.75;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 8px;
  color: var(--blue);
  font-size: 24px;
  font-weight: 900;
  background: #e9f3ff;
}

.service-card h3,
.timeline h3,
.assurance h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
}

.specialty-band {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(24px, 5vw, 60px);
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px clamp(22px, 4vw, 48px);
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
}

.specialty-band h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 42px);
}

.specialty-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.specialty-list span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.08);
}

.timeline {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.timeline span {
  color: var(--teal);
  font-size: 22px;
  font-weight: 900;
}

.assurance {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.assurance-grid div {
  padding: 24px;
  border-left: 4px solid var(--yellow);
  background: var(--white);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 6vw, 76px);
  align-items: start;
}

.contact-panel {
  display: grid;
  gap: 4px;
  margin-top: 30px;
  padding: 24px;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
}

.contact-panel span,
.contact-panel small {
  color: rgba(255, 255, 255, 0.72);
}

.contact-panel a {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 4px;
}

.contact-methods a,
.contact-methods span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.12);
}

.booking-form {
  display: grid;
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.hidden-field {
  display: none;
}

.booking-form label {
  display: grid;
  gap: 8px;
  color: #344454;
  font-weight: 700;
}

.booking-form input,
.booking-form select,
.booking-form textarea {
  width: 100%;
  border: 1px solid #cbd7e2;
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
}

.booking-form textarea {
  resize: vertical;
}

.form-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.76);
  background: #111b25;
}

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

.site-footer p {
  margin: 4px 0 0;
}

.success-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background: var(--paper);
}

.success-panel {
  width: min(760px, 100%);
  padding: clamp(32px, 6vw, 64px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 48px rgba(23, 33, 43, 0.12);
}

.success-panel h1 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(48px, 7vw, 76px);
}

.success-panel p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.success-zh {
  margin-bottom: 30px;
}

.button.secondary.dark {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-content {
    margin-left: 20px;
    padding-bottom: 112px;
  }

  .stats-band,
  .service-grid,
  .split-section,
  .specialty-band,
  .assurance,
  .assurance-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
  }

  .header-call {
    width: 100%;
  }

  .hero {
    min-height: 760px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(10, 24, 38, 0.9), rgba(10, 24, 38, 0.66));
  }

  .hero-actions .button {
    width: 100%;
  }

  .stats-band {
    margin-top: -42px;
  }

  .section,
  .split-section,
  .assurance,
  .contact-section {
    padding: 68px 0;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}