.preview-overlay,
.product-preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 18, 12, 0.58);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 200;
}
.preview-overlay.is-active,
.product-preview-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.preview-dialog {
  position: relative;
  max-width: min(90vw, 960px);
  max-height: min(90vh, 1280px);
  border-radius: 24px;
  overflow: auto;
  box-shadow: 0 35px 65px -28px rgba(26, 18, 12, 0.6);
  background: rgba(12, 8, 6, 0.88);
  cursor: grab;
  touch-action: none;
  padding: 1.5rem 1.8rem 1.4rem 1.4rem;
}

.preview-dialog.is-dragging {
  cursor: grabbing;
}

.preview-image {
  width: 100%;
  height: auto;
  max-width: min(72vw, 720px);
  max-height: calc(90vh - 3.6rem);
  object-fit: contain;
  display: block;
  background: transparent;
  user-select: none;
}

.preview-close,
.product-preview-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: rgba(20, 12, 8, 0.68);
  color: #fff7ed;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
}

.preview-close:hover,
.product-preview-close:hover {
  transform: scale(1.05);
  background: rgba(20, 12, 8, 0.82);
}

.product-preview-dialog {
  position: relative;
  width: min(96vw, 980px);
  max-height: min(90vh, 720px);
  border-radius: 26px;
  background: linear-gradient(145deg, #fffdf8 0%, #fff6ea 100%);
  color: var(--text-primary);
  box-shadow: 0 35px 80px -28px rgba(26, 18, 12, 0.62);
  padding: 1.8rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-preview-media {
  border-radius: 20px;
  overflow: hidden;
  background: rgba(184, 138, 59, 0.12);
  flex: 1 1 auto;
}

.product-preview-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-preview-content {
  flex: 1 1 auto;
  overflow-y: auto;
  padding-right: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.product-preview-content .product-meta {
  font-size: 1rem;
  color: var(--text-secondary);
}

.product-preview-content .product-price {
  font-size: 1.35rem;
}

.product-preview-content .product-features {
  margin-top: 0.6rem;
}

.product-preview-content .product-features li {
  position: relative;
  padding-left: 1rem;
}

.product-preview-content .product-features li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0.1rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-burgundy);
  transform: translateY(-50%);
  opacity: 0.6;
}

.product-preview-content::-webkit-scrollbar {
  width: 6px;
}

.product-preview-content::-webkit-scrollbar-thumb {
  background: rgba(176, 30, 50, 0.28);
  border-radius: 999px;
}

@media (min-width: 768px) {
  .product-preview-dialog {
    flex-direction: row;
    gap: 2rem;
    padding: 2.2rem 2.4rem;
  }

  .product-preview-media {
    flex: 5 1 0;
  }

  .product-preview-content {
    flex: 4 1 0;
    max-height: calc(90vh - 4rem);
  }
}

:root {
  --bg-body: #fff8ed;
  --bg-section: #fff4e3;
  --bg-section-contrast: #f9efe0;
  --bg-card: #ffffff;
  --color-gold: #b88a3b;
  --color-gold-strong: #946423;
  --color-burgundy: #b01e32;
  --color-burgundy-dark: #8b1124;
  --text-primary: #2f1f10;
  --text-secondary: #5d4630;
  --text-muted: #9c8a79;
  --divider: rgba(148, 100, 35, 0.22);
  --shadow-soft: 0 30px 60px -32px rgba(148, 100, 35, 0.35);
  --shadow-card: 0 22px 40px -24px rgba(176, 30, 50, 0.25);
  --radius-card: 24px;
  --header-height: 84px;
  font-size: 16px;
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-body);
  color: var(--text-primary);
  font-family: "Manrope", "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

html {
  scroll-padding-top: var(--header-height);
}

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

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

.page-shell {
  position: relative;
  min-height: 100vh;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
  box-shadow: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(184, 138, 59, 0.16);
  box-shadow: 0 18px 30px -18px rgba(58, 40, 24, 0.32);
}

.site-header.is-static {
  position: relative;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: none;
  border-bottom: 1px solid rgba(184, 138, 59, 0.16);
  box-shadow: 0 12px 24px -18px rgba(58, 40, 24, 0.25);
}

.site-header.is-solid .main-nav a,
.site-header.is-solid .header-phone,
.site-header.is-solid .btn-outline {
  color: rgba(47, 31, 16, 0.68);
  text-shadow: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  padding: 1rem 0;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #ffe8a6;
}

.logo img {
  height: 32px;
  width: auto;
  display: block;
}

.logo span {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
}

.site-footer .logo {
  color: #ffe8a6;
  letter-spacing: 0.22em;
  gap: 0.6rem;
}

.site-footer .logo span {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.28em;
  color: var(--color-gold);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  max-width: 580px;
  margin: 0 auto;
  gap: clamp(1rem, 2.4vw, 1.5rem);
}

.main-nav a {
  position: relative;
  text-align: center;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(47, 31, 16, 0.68);
  padding-bottom: 0.5rem;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.05rem;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(176, 30, 50, 0.8), rgba(184, 138, 59, 0.85));
  transform: translateX(-50%) scaleX(0.2);
  opacity: 0;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.main-nav a:hover,
.main-nav a.is-current {
  color: var(--color-gold-strong);
}

.main-nav a:hover::after,
.main-nav a.is-current::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.header-phone {
  font-weight: 600;
  color: var(--color-burgundy-dark);
  opacity: 0.9;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin-bottom: 5px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn {
  border: none;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.75rem 1.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-burgundy) 0%, #c44153 56%, #f1c085 100%);
  color: #fff7ed;
  box-shadow: 0 18px 32px -18px rgba(176, 30, 50, 0.55);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 50px -22px rgba(176, 30, 50, 0.65);
}

.btn-outline {
  background: linear-gradient(135deg, var(--color-burgundy) 0%, #c44153 56%, #f1c085 100%);
  color: #fff7ed;
  border: none;
  box-shadow: 0 18px 32px -18px rgba(176, 30, 50, 0.55);
}

.btn-outline:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 50px -22px rgba(176, 30, 50, 0.65);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(8.2rem + var(--header-height)) 0 6rem;
  display: flex;
  align-items: center;
  color: #fffdf7;
  overflow: hidden;
}

.hero-background,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-background {
  background-image: url("image/index/hero-main.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  transition: transform 4s ease;
}

.hero:hover .hero-background {
  transform: scale(1.05);
}

.hero-overlay {
  background: linear-gradient(180deg, rgba(39, 24, 16, 0.55), rgba(39, 24, 16, 0.78));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
}

.hero-content-single {
  justify-content: center;
  text-align: center;
}

.hero-content-single .hero-copy {
  max-width: 760px;
}

.hero-content-single .hero-actions {
  justify-content: center;
}

.hero-copy {
  max-width: 620px;
  display: grid;
  gap: 1.4rem;
}

.hero-logo {
  display: flex;
  justify-content: center;
  
}

.hero-logo img {
  width: clamp(110px, 16vw, 200px);
  height: auto;
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.tagline-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f7d9a8;
  box-shadow: 0 0 16px rgba(247, 217, 168, 0.9);
}

.hero-copy h1 {
  font-family: "Playfair Display", "Microsoft YaHei", serif;
  font-size: clamp(2.8rem, 4.6vw, 4rem);
  line-height: 1.1;
  margin: 0;
}

.lead {
  font-size: 1.35rem;
  font-weight: 600;
  color: #ffe8a6;
  margin-top: 0;
  position: relative;
  transform: translateY(-0.4rem);
}

.hero-subtext {
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}


.hero-scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 2.8rem;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: #ffe8a6;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.hero-scroll-text {
  font-family: "Manrope", "Segoe UI", "Microsoft YaHei", sans-serif;
  color: inherit;
}

.hero-scroll-icon {
  width: 18px;
  height: 28px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 12px;
  position: relative;
  animation: hero-scroll 2.4s ease-in-out infinite;
}

.hero-scroll-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 6px;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 4px;
  transform: translateX(-50%);
}

@keyframes hero-scroll {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  20% {
    transform: translateY(4px);
    opacity: 1;
  }
  60% {
    transform: translateY(10px);
    opacity: 1;
  }
  100% {
    transform: translateY(16px);
    opacity: 0;
  }
}

.page-hero {
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: calc(4.5rem + var(--header-height)) 0 4rem;
  color: #fffdf7;
  background-image: linear-gradient(180deg, rgba(39, 24, 16, 0.55), rgba(39, 24, 16, 0.78)),
    var(--hero-image, url("https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?auto=format&fit=crop&w=1600&q=80"));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(176, 30, 50, 0.18), rgba(184, 138, 59, 0.25) 55%, rgba(255, 255, 255, 0.08));
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero-content {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  align-items: flex-start;
  color: #ffe8a6;
}

.page-hero-content h1,
.page-hero-content p,
.page-hero-content .page-hero-eyebrow {
  margin: 0;
  color: inherit;
}

.page-hero-content .hero-actions {
  margin-top: 0.2rem;
}

.page-hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: #ffe8a6;
}

.section {
  padding: 5.5rem 0;
}

.section-navigation {
  position: relative;
  background: #2c1a10;
  overflow: hidden;
  color: #f2e7d5;
}

.section-navigation::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(36, 20, 12, 0.78) 0%, rgba(56, 32, 18, 0.75) 100%),
    url("image/index/1.jpg") center / cover no-repeat;
  opacity: 0.95;
  z-index: 0;
}

.section-solution {
  background: var(--bg-section-contrast);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
  display: grid;
  gap: 0.8rem;
  position: relative;
  z-index: 1;
}

.section-heading h2 {
  margin: 0;
  font-family: "Playfair Display", "Microsoft YaHei", serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  color: var(--text-primary);
}

.section-heading p {
  margin: 0;
  color: var(--text-secondary);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.8rem;
  position: relative;
  z-index: 1;
}

.link-card {
  position: relative;
  padding: 2.6rem 2.3rem;
  border-radius: var(--radius-card);
  border: 1px solid rgba(184, 138, 59, 0.22);
  background: linear-gradient(135deg, rgba(44, 26, 16, 0.92), rgba(64, 36, 20, 0.88));
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.6);
  display: grid;
  gap: 0.8rem;
  color: #ffe8a6;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(6px);
}

.link-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 35px 60px -30px rgba(148, 100, 35, 0.4);
}

.link-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #ffe8a6;
}

.link-card h3 {
  margin: 0;
  font-size: 1.6rem;
  font-family: "Playfair Display", "Microsoft YaHei", serif;
  color: #ffe8a6;
}

.link-card p {
  margin: 0;
  color: #ffe8a6;
}

.link-arrow {
  margin-top: 0.5rem;
  font-weight: 600;
  color: #ffe8a6;
}

.section-partners {
  background: var(--bg-section);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.partner-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(184, 138, 59, 0.18);
  border-radius: var(--radius-card);
  padding: 2rem 1.6rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.6rem;
  justify-items: center;
}

.partner-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: rgba(184, 138, 59, 0.16);
  display: grid;
  place-items: center;
  color: var(--color-gold-strong);
  font-size: 1.6rem;
  font-family: "Playfair Display", serif;
  font-weight: 600;
}

.partner-icon::before {
  content: "?";
}

.partner-icon-marriott::before {
  content: "M";
}

.partner-icon-hilton::before {
  content: "H";
}

.partner-icon-ihg::before {
  content: "I";
}

.partner-icon-four::before {
  content: "F";
}

.partner-card strong {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.partner-card span {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.section-products {
  background: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(176, 30, 50, 0.08);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-card.is-interactive {
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card.is-interactive:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px -30px rgba(176, 30, 50, 0.32);
}

.product-card.is-interactive:focus-visible {
  outline: 3px solid rgba(176, 30, 50, 0.45);
  outline-offset: 6px;
}

.product-image {
  position: relative;
  height: 190px;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f9f5ef;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-badges {
  position: absolute;
  top: 18px;
  left: 18px;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.product-badges span {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--color-burgundy);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-body {
  padding: 2rem 2rem 2.3rem;
  display: grid;
  gap: 1.1rem;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-burgundy);
}

.product-body h3 {
  margin: 0;
  font-size: 1.35rem;
  color: var(--text-primary);
}

.product-body p {
  margin: 0;
  color: var(--text-secondary);
}

.product-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.product-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.chip {
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  border: none;
  background: rgba(176, 30, 50, 0.12);
  color: var(--color-burgundy);
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

.chip:hover {
  background: rgba(176, 30, 50, 0.22);
  transform: translateY(-1px);
}

.chip-outline {
  background: transparent;
  border: 1px solid rgba(176, 30, 50, 0.35);
}

.section-actions {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.section-values {
  background: var(--bg-section-contrast);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
  margin-bottom: 3rem;
}

.value-card {
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-card);
  border: 1px solid rgba(184, 138, 59, 0.2);
  box-shadow: var(--shadow-soft);
  padding: 2.2rem 1.8rem;
  display: grid;
  gap: 0.8rem;
  text-align: left;
}

.value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(184, 138, 59, 0.18);
  color: var(--color-gold-strong);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.value-card h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.value-card p {
  margin: 0;
  color: var(--text-secondary);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.stat-block {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  border: 1px solid rgba(184, 138, 59, 0.2);
  padding: 1.8rem 1.2rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.4rem;
}

.stat-block strong {
  font-size: 2rem;
  font-family: "Playfair Display", serif;
  color: var(--color-burgundy);
}

.stat-block span {
  font-weight: 600;
  color: var(--text-secondary);
}

.section-cases {
  background: #fffdf8;
}

.case-grid {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.case-grid.is-active {
  display: grid;
}

.case-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(184, 138, 59, 0.15);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.case-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 200px;
  background-color: #f3eee4;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

@supports not (aspect-ratio: 16 / 9) {
  .case-image {
    height: 0;
    padding-bottom: 56.25%;
  }
}

.case-badges {
  position: absolute;
  top: 18px;
  left: 18px;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.case-tag {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(47, 31, 16, 0.72);
  color: #fff9ef;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-body {
  padding: 2rem 2rem 2.4rem;
  display: grid;
  gap: 0.9rem;
}

.case-info {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.96rem;
}

.case-info strong {
  color: var(--text-primary);
  font-weight: 700;
}

.case-body h3 {
  margin: 0;
  font-size: 1.4rem;
  color: var(--text-primary);
}

.case-body p {
  margin: 0;
  color: var(--text-secondary);
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--color-burgundy);
}

.case-link::after {
  content: "→";
  font-size: 1rem;
}

.case-pagination {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.case-page-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(176, 30, 50, 0.35);
  background: #fff;
  color: var(--color-burgundy);
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.case-page-btn:hover,
.case-page-btn.is-active {
  background: linear-gradient(135deg, rgba(176, 30, 50, 0.92), rgba(184, 138, 59, 0.88));
  color: #fff8ef;
  box-shadow: 0 20px 32px -20px rgba(176, 30, 50, 0.55);
  transform: translateY(-1px);
}

.case-page-btn:focus-visible {
  outline: 2px solid rgba(176, 30, 50, 0.6);
  outline-offset: 2px;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.certificate-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(184, 138, 59, 0.15);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.certificate-image {
  position: relative;
  width: 100%;
  display: block;
  aspect-ratio: 3 / 4;
  min-height: 200px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
  overflow: hidden;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.certificate-card:hover .certificate-image img {
  transform: scale(1.05);
}

.section-cta {
  background: linear-gradient(135deg, rgba(176, 30, 50, 0.08), rgba(184, 138, 59, 0.12));
}

.cta-wrapper {
  background: #fff;
  border-radius: 32px;
  border: 1px solid rgba(184, 138, 59, 0.18);
  box-shadow: 0 28px 60px -28px rgba(148, 100, 35, 0.35);
  padding: 3.4rem;
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.cta-copy {
  max-width: 640px;
  display: grid;
  gap: 1rem;
  color: var(--text-secondary);
}

.cta-copy h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: "Playfair Display", "Microsoft YaHei", serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-footer {
  background: #3a2820;
  color: #ffe8a6;
  padding: 4rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.4rem;
  align-items: start;
}

.footer-brand p {
  margin: 1rem 0;
  color: rgba(255, 255, 255, 0.92);
}

.socials {
  display: flex;
  gap: 0.8rem;
}

.social-link {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 247, 237, 0.28);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.footer-column h4 {
  margin: 0 0 1rem;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffe8a6;
}

.footer-column ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  color: rgba(255, 247, 237, 0.74);
  font-size: 0.92rem;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
  margin-top: 2.8rem;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 1.2rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.88);
}

[data-animate] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate="fade-in"] {
  transform: translateY(40px);
}

[data-animate="slide-up"] {
  transform: translateY(48px);
}

.is-visible[data-animate] {
  opacity: 1;
  transform: none;
}

@media (max-width: 1200px) {
  .product-grid,
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .link-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 960px) {
  .main-nav {
    position: absolute;
    top: 100%;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    background: #fff;
    border-radius: 18px;
    border: 1px solid rgba(184, 138, 59, 0.24);
    padding: 1.2rem;
    box-shadow: 0 28px 45px -25px rgba(58, 40, 24, 0.35);
    transform-origin: top right;
    transform: scale(0.92);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    flex: none;
    max-width: none;
    margin: 0;
    gap: 1rem;
  }

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

  .main-nav a:first-child {
    margin-right: 0;
  }

  .nav-toggle {
    display: block;
  }

  .header-actions {
    display: none;
  }

  .hero {
    padding-top: calc(6rem + var(--header-height));
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: calc(100vh - var(--header-height));
    padding: calc(4rem + var(--header-height)) 0 3.5rem;
  }

  .product-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .certificate-grid {
    grid-template-columns: 1fr;
  }

  .values-grid,
  .partners-grid,
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .cta-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 640px) {
  .header-inner {
    gap: 1rem;
  }

  .hero {
    min-height: 75vh;
  }

  .page-hero {
    min-height: calc(100vh - var(--header-height));
    padding: calc(3.2rem + var(--header-height)) 0 2.8rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .partners-grid,
  .values-grid,
  .stats-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-wrapper {
    padding: 2.4rem;
  }

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

  .section-heading p {
    white-space: normal;
  }
}

.section-navigation .section-heading h2 {
  color: #ffe8a6;
}

.section-navigation .section-heading p {
  color: rgba(255, 232, 204, 0.92);
}