/* ============================================
   哈尔滨诚厚环保设备有限公司 - 全局样式
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-primary: #498FF5;
  --color-primary-dark: #3A7BE0;
  --color-primary-light: #E8F1FE;
  --color-secondary: #1A1A1A;
  --color-accent: #E8F1FE;
  --color-bg: #FFFFFF;
  --color-surface: #F8FAFC;
  --color-text: #333333;
  --color-heading: #1A1A1A;
  --color-muted: #666666;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-size-display: 48px;
  --font-size-h1: 36px;
  --font-size-h2: 28px;
  --font-size-h3: 20px;
  --font-size-body: 16px;
  --font-size-caption: 14px;
  --font-size-button: 16px;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.2;
  --line-height-heading: 1.3;
  --line-height-body: 1.6;

  --container-width: 1300px;
  --section-spacing: 100px;
  --grid-gap: 24px;
  --card-padding: 32px;

  --radius-card: 8px;
  --radius-button: 6px;
  --radius-input: 6px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;

  --header-height: 80px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

/* --- Layout --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: var(--section-spacing) 0;
}

.section--surface {
  background-color: var(--color-surface);
}

.section--dark {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.section--dark h2,
.section--dark h3 {
  color: #FFFFFF;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header__label {
  display: inline-block;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-header__title {
  font-size: var(--font-size-h2);
  margin-bottom: 16px;
}

.section-header__desc {
  font-size: var(--font-size-body);
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-button);
  transition: all var(--transition);
  min-height: 48px;
  min-width: 44px;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary-light);
}

.btn--outline:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn--white:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.btn__arrow {
  transition: transform var(--transition);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: 0 1px 0 var(--color-border);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
}

.header__logo img {
  height: 40px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.header__nav-item {
  position: relative;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  padding: 8px 0;
  transition: color var(--transition);
}

.header__nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.header__nav-item:hover,
.header__nav-item--active {
  color: var(--color-primary);
}

.header__nav-item:hover::after,
.header__nav-item--active::after {
  width: 100%;
}

.header__nav-item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 2px;
}

.header__cta {
  padding: 10px 24px;
  font-size: var(--font-size-caption);
}

.header__mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
}

.header__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-heading);
  position: relative;
  transition: background var(--transition);
}

.header__mobile-toggle span::before,
.header__mobile-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-heading);
  transition: transform var(--transition);
}

.header__mobile-toggle span::before { top: -7px; }
.header__mobile-toggle span::after { top: 7px; }

.header__mobile-toggle--active span {
  background: transparent;
}

.header__mobile-toggle--active span::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__mobile-toggle--active span::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.5) 0%, rgba(26, 26, 26, 0.1) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.hero__label {
  display: inline-block;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: rgba(73, 143, 245, 0.15);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero__title {
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  line-height: var(--line-height-tight);
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-body);
  margin-bottom: 40px;
  max-width: 680px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Hero Slider --- */
.hero-slider {
  position: relative;
}

.hero-slider__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slider__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slider__slide--active {
  opacity: 1;
}

.hero-slider__controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  transform: translateY(-50%);
  pointer-events: none;
}

.hero-slider__prev,
.hero-slider__next {
  pointer-events: auto;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0;
}

.hero-slider:hover .hero-slider__prev,
.hero-slider:hover .hero-slider__next {
  opacity: 1;
}

.hero-slider__prev:hover,
.hero-slider__next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero-slider__dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 10px;
}

.hero-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.hero-slider__dot--active {
  background: #FFFFFF;
  transform: scale(1.2);
}

.hero-slider__dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* --- Advantages --- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
}

.advantage-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-card);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.advantage-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.advantage-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  transition: all var(--transition);
}

.advantage-card:hover .advantage-card__icon {
  background: var(--color-primary);
  color: #FFFFFF;
}

.advantage-card__icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 2;
}

.advantage-card__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 12px;
}

.advantage-card__desc {
  font-size: var(--font-size-caption);
  color: var(--color-muted);
  line-height: var(--line-height-body);
}

/* --- Products --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
}

.product-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}

.product-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.03);
}

.product-card__body {
  padding: 24px;
}

.product-card__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 8px;
}

.product-card__desc {
  font-size: var(--font-size-caption);
  color: var(--color-muted);
  line-height: var(--line-height-body);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  transition: gap var(--transition);
}

.product-card__link:hover {
  gap: 10px;
}

/* --- Cases --- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.case-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}

.case-card__image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-surface);
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card__image img {
  transform: scale(1.03);
}

.case-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
}

.case-card__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  color: #FFFFFF;
  background: rgba(73, 143, 245, 0.85);
  padding: 4px 10px;
  border-radius: 4px;
}

.case-card__body {
  padding: 20px 24px;
}

.case-card__title {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 8px;
}

.case-card__meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--color-muted);
}

.case-card__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.case-card__meta-item svg {
  width: 14px;
  height: 14px;
  stroke-width: 2;
}

/* --- About --- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-split__content {
  order: 1;
}

.about-split__label {
  display: inline-block;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.about-split__title {
  font-size: var(--font-size-h2);
  margin-bottom: 8px;
}

.about-split__subtitle {
  font-size: 18px;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: 24px;
}

.about-split__text {
  font-size: var(--font-size-body);
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-split__image {
  order: 2;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.about-split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-section__title {
  font-size: var(--font-size-h1);
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-section__desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto 40px;
}

.cta-section__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand-name {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer__brand-desc {
  font-size: var(--font-size-caption);
  line-height: var(--line-height-body);
  margin-bottom: 20px;
}

.footer__qr-group {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.footer__qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.footer__qr-item img {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  background: #FFFFFF;
  padding: 4px;
}

.footer__qr-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
}

.footer__col-title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: #FFFFFF;
  margin-bottom: 20px;
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a {
  font-size: var(--font-size-caption);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-primary);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: var(--font-size-caption);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--color-primary);
  stroke-width: 2;
}

.footer__bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Scroll Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in--delay-1 { transition-delay: 0.1s; }
.fade-in--delay-2 { transition-delay: 0.2s; }
.fade-in--delay-3 { transition-delay: 0.3s; }
.fade-in--delay-4 { transition-delay: 0.4s; }

/* --- Mobile Menu Overlay --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu--active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__link {
  font-size: 24px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  transition: color var(--transition);
}

.mobile-menu__link:hover {
  color: var(--color-primary);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  :root {
    --section-spacing: 60px;
    --font-size-display: 40px;
    --font-size-h1: 30px;
    --font-size-h2: 24px;
  }

  .container {
    padding: 0 24px;
  }

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

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

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

  .about-split {
    gap: 40px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-spacing: 48px;
    --font-size-display: 32px;
    --font-size-h1: 26px;
    --font-size-h2: 22px;
    --font-size-h3: 18px;
    --header-height: 64px;
  }

  .header__nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__mobile-toggle {
    display: flex;
  }

  .hero {
    min-height: 80vh;
  }

  .hero__title {
    font-size: var(--font-size-display);
  }

  .hero__desc {
    font-size: var(--font-size-body);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .advantage-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
  }

  .advantage-card__icon {
    margin: 0;
    flex-shrink: 0;
  }

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

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

  .about-split {
    grid-template-columns: 1fr;
  }

  .about-split__content {
    order: 2;
  }

  .about-split__image {
    order: 1;
  }

  .cta-section__title {
    font-size: var(--font-size-h2);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

/* --- Mobile about-split image --- */
@media (max-width: 768px) {
  .about-split__image {
    order: 1;
    min-height: 240px;
  }
}

/* --- Page Banner (Inner Pages) --- */
.page-banner {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.page-banner__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-banner__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(26, 26, 26, 0.2) 100%);
}

.page-banner__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.page-banner__title {
  font-size: var(--font-size-h1);
  color: #FFFFFF;
  margin-bottom: 12px;
}

.page-banner__desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
}

/* --- Category Nav --- */
.category-nav {
  display: flex;
  gap: 12px;
  flex-wrap: nowrap;
  justify-content: center;
  margin-bottom: 48px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.category-nav__item {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.category-nav__item:hover,
.category-nav__item--active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* --- Contact Info Cards --- */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-bottom: 60px;
}

.contact-info-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-card);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.contact-info-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.contact-info-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.contact-info-card__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.contact-info-card__label {
  font-size: var(--font-size-caption);
  color: var(--color-muted);
  margin-bottom: 8px;
}

.contact-info-card__value {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
  word-break: break-all;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 680px;
  margin: 0 auto;
}

.contact-form__title {
  text-align: center;
  font-size: var(--font-size-h2);
  margin-bottom: 8px;
}

.contact-form__desc {
  text-align: center;
  color: var(--color-muted);
  margin-bottom: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(73, 143, 245, 0.1);
  outline: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form .btn {
  width: 100%;
}

/* --- About Philosophy --- */
.philosophy-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.philosophy-split__image {
  order: 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.philosophy-split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.philosophy-split__content {
  order: 2;
}

/* --- Service Grid --- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.service-card {
  padding: 32px;
  border-radius: var(--radius-card);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.service-card__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: var(--font-size-caption);
  color: var(--color-muted);
  line-height: var(--line-height-body);
}

/* --- Product Detail --- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-detail__gallery {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
}

.product-detail__gallery img {
  width: 100%;
  height: auto;
  display: block;
}

.product-detail__info {
  padding: 20px 0;
}

.product-detail__category {
  display: inline-block;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.product-detail__title {
  font-size: var(--font-size-h1);
  margin-bottom: 20px;
}

.product-detail__desc {
  font-size: var(--font-size-body);
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 32px;
}

.product-detail__specs {
  margin-bottom: 32px;
}

.product-detail__specs dt {
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
  margin-bottom: 4px;
}

.product-detail__specs dd {
  color: var(--color-muted);
  margin-bottom: 16px;
  margin-left: 0;
}

.product-detail__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Case Detail --- */
.case-detail__hero {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 40px;
  background: var(--color-surface);
}

.case-detail__hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Case Carousel --- */
.case-carousel {
  position: relative;
  margin-bottom: 40px;
}

.case-carousel__slides {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
  min-height: 300px;
}

.case-carousel__slide {
  position: relative;
  opacity: 0;
  transition: opacity 0.6s ease;
  display: none;
}

.case-carousel__slide--active {
  opacity: 1;
  display: block;
}

.case-carousel__slide img {
  width: 100%;
  height: auto;
  display: block;
}

.case-carousel__controls {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  pointer-events: none;
  z-index: 2;
}

.case-carousel__prev,
.case-carousel__next {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  border: none;
  color: var(--color-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.case-carousel__prev:hover,
.case-carousel__next:hover {
  background: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.case-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.case-carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.case-carousel__dot--active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.case-carousel__dot:hover {
  background: var(--color-primary-light);
}

.case-carousel__thumbs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

.case-carousel__thumb {
  width: 80px;
  height: 60px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  background: var(--color-surface);
  transition: all var(--transition);
  opacity: 0.6;
}

.case-carousel__thumb--active {
  border-color: var(--color-primary);
  opacity: 1;
}

.case-carousel__thumb:hover {
  opacity: 1;
  border-color: var(--color-primary-light);
}

.case-carousel__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-detail__meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  margin-bottom: 40px;
}

.case-detail__meta-item {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.case-detail__meta-label {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.case-detail__meta-value {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
}

.case-detail__content {
  max-width: 800px;
  margin: 0 auto;
}

.case-detail__content h2 {
  font-size: var(--font-size-h2);
  margin-bottom: 16px;
  margin-top: 40px;
}

.case-detail__content p {
  font-size: var(--font-size-body);
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 16px;
}

/* --- Contact Page Improved --- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-map {
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: var(--font-size-caption);
  border: 1px solid var(--color-border);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition: all var(--transition);
}

.contact-info-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.contact-info-item__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-item__icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}

.contact-info-item__label {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.contact-info-item__value {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
}

.contact-info-item__value a {
  color: var(--color-primary);
  transition: opacity var(--transition);
}

.contact-info-item__value a:hover {
  opacity: 0.8;
}

/* --- Placeholder / Skeleton --- */
.placeholder-card {
  padding: 40px;
  text-align: center;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
}

.placeholder-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.placeholder-card__title {
  font-size: var(--font-size-h3);
  margin-bottom: 8px;
}

.placeholder-card__desc {
  font-size: var(--font-size-caption);
  color: var(--color-muted);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination__btn {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0 12px;
}

.pagination__btn:hover:not(.pagination__btn--active):not(.pagination__btn--disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination__btn--active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.pagination__btn--disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination__btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-caption);
  color: var(--color-muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-muted);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  color: var(--color-border);
}

/* --- Responsive: Inner Pages --- */
@media (max-width: 1024px) {
  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .philosophy-split {
    gap: 40px;
  }

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

  .product-detail {
    gap: 40px;
  }

  .case-detail__meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-split {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .page-banner {
    min-height: 300px;
  }

  .page-banner__title {
    font-size: var(--font-size-h2);
  }

  .page-banner__desc {
    font-size: var(--font-size-body);
  }

  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-split {
    grid-template-columns: 1fr;
  }

  .philosophy-split__image {
    order: 1;
  }

  .philosophy-split__content {
    order: 2;
  }

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

  .category-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }

  .category-nav__item {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-detail__title {
    font-size: var(--font-size-h2);
  }

  .product-detail__actions {
    flex-direction: column;
  }

  .product-detail__actions .btn {
    width: 100%;
  }

  .case-detail__meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .contact-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-map {
    order: 1;
  }

  .breadcrumb {
    font-size: 12px;
  }
}

/* WAW_CMS_LIST_LOADING_V1 */
[data-cms-block="list"][data-cms-state="ready"] .cms-list-loading,
[data-cms-block="list"][data-cms-state="error"] .cms-list-loading { display: none !important; }