/* ============================================
   上海扬于传动机械有限公司 - 企业官网样式表
   工业B2B风格 | 科技蓝主色调 | 简洁专业
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #0053a4;
  --color-primary-dark: #003d7a;
  --color-primary-light: #e8f0fe;
  --color-primary-hover: #0066cc;
  --color-white: #ffffff;
  --color-dark: #1a1a1a;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  --color-bg-light: #f5f5f5;
  --color-bg-gray: #fafafa;
  --color-border: #e0e0e0;
  --color-border-light: #eeeeee;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;

  --font-primary: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-md: 18px;
  --font-size-lg: 24px;
  --font-size-xl: 32px;
  --font-size-2xl: 42px;
  --font-size-3xl: 56px;

  --line-height-base: 1.6;
  --line-height-tight: 1.3;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 80px;

  --container-max: 1200px;
  --container-padding: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 500;
  --z-modal: 1000;
  --z-toast: 2000;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: 700;
  color: var(--color-dark);
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-padding {
  padding: var(--spacing-4xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
  font-size: var(--font-size-xl);
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  margin-top: var(--spacing-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 28px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  min-height: 44px;
  min-width: 44px;
  border: 2px solid transparent;
}

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

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

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

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

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

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

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

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: transparent;
  transition: background 1.2s ease;
}

.header.cur {
  background: rgba(0,0,0,0.6);
}


/* Collapse nav/actions from layout until header.cur (MENU open or scrolled) */
.header:not(.cur) .nav {
  display: none !important;
}

.header:not(.cur) .header-actions {
  display: none !important;
}

.header-inner {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  height: 100px;
  padding: 0 var(--container-padding);
  flex-wrap: nowrap;
}

/* Logo in header - always white */
.header .logo-text,
.header .logo-text small {
  color: var(--color-white);
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.header .logo-text small {
  color: rgba(255,255,255,0.8);
}

/* Navigation - height animation like reference site */
.header.cur .nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  height: 100px;
  overflow: visible;
  transition: opacity 0.3s ease;
  transform: none !important;
  flex-wrap: nowrap;
  opacity: 0;
  pointer-events: none;
}

.header.cur .nav {
  opacity: 1;
  pointer-events: auto;
}

.header .nav a {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  position: relative;
  min-height: 44px;
  opacity: 0;
  transition: opacity 0.3s ease, color 0.3s ease, background 0.3s ease;
  white-space: nowrap;
}

.header.cur .nav a {
  opacity: 1;
}

.header .nav a:hover,
.header .nav a.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.header .nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
}

/* MENU Button */
.top-menu-btn {
  flex-shrink: 0;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.top-menu-btn:hover {
  opacity: 0.8;
}

.top-menu-btn-icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  width: 20px;
  height: 16px;
}

.top-menu-btn-icon span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  position: absolute;
  left: 0;
}

.top-menu-btn-icon span:nth-child(1) {
  top: 0;
}

.top-menu-btn-icon span:nth-child(2) {
  top: 7px;
}

.top-menu-btn-icon span:nth-child(3) {
  top: 14px;
}

/* MENU button transforms to X when active */
.header.cur .top-menu-btn-icon span:nth-child(1) {
  transform: rotate(135deg);
  top: 7px;
}

.header.cur .top-menu-btn-icon span:nth-child(2) {
  opacity: 0;
}

.header.cur .top-menu-btn-icon span:nth-child(3) {
  transform: rotate(45deg);
  top: 7px;
}

.top-menu-btn-text {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-white);
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  transition: opacity 0.3s ease;
}

.header.cur .top-menu-btn-text {
  display: none;
}

/* Header actions (contact icons, search, etc.) */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header .header-contact-icon {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
}

.header .header-contact-icon:hover {
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
}

.header .header-divider {
  background: rgba(255,255,255,0.2);
}

.header .search-btn {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
}

.header .search-btn:hover {
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
}

.header .mobile-menu-btn span {
  background: var(--color-white);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.logo-text small {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.header.cur .header-actions {
  opacity: 1;
  pointer-events: auto;
}

/* 移动端汉堡按钮始终可见 */
.mobile-menu-btn {
  opacity: 1 !important;
  pointer-events: auto !important;
}

.header-contact-icons {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.header-contact-icon:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.header-contact-icon svg {
  width: 18px;
  height: 18px;
}

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 4px;
}

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

.search-btn svg {
  width: 20px;
  height: 20px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Header Logo Group ---------- */
.header-logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 1;
  min-width: 0;
}

/* ---------- Header Brand Text ---------- */
.header-brand-text {
  min-width: 0;
  flex-shrink: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 42vw;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
  border-left: 2px solid rgba(255,255,255,0.3);
  padding-left: 12px;
}

/* ---------- Nav Dropdown ---------- */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown .dropdown-arrow {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 9999;
  pointer-events: none;
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-white);
  border-radius: 2px;
  transform: translateX(-50%) rotate(45deg);
  box-shadow: -2px -2px 4px rgba(0,0,0,0.04);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-text) !important;
  background: transparent !important;
  white-space: nowrap;
  transition: all 0.15s ease;
  opacity: 1 !important;
  min-height: auto;
  border-radius: 0;
}

.dropdown-menu a:hover {
  color: var(--color-primary) !important;
  background: var(--color-primary-light) !important;
  padding-left: 24px;
}

/* ---------- Search Overlay ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-xl);
  transform: translateY(-20px);
  transition: transform var(--transition-base);
}

.search-overlay.active .search-box {
  transform: translateY(0);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  transition: border-color var(--transition-fast);
}

.search-input-wrap:focus-within {
  border-color: var(--color-primary);
}

.search-input-wrap svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.search-input-wrap input {
  flex: 1;
  font-size: var(--font-size-md);
  padding: 8px 0;
  background: transparent;
}

.search-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-light);
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.search-close:hover {
  background: var(--color-border);
}

.search-form {
  width: 100%;
}

.search-submit {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
  border: none;
}

.search-submit:hover {
  background: var(--color-primary-dark);
}

.search-submit svg {
  width: 16px;
  height: 16px;
}

.search-suggestions {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
}

.search-suggestions-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.search-suggestions-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.search-suggestions-list a {
  display: inline-block;
  padding: 6px 14px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-light);
  border-radius: 20px;
  transition: all var(--transition-fast);
}

.search-suggestions-list a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ---------- Banner / Hero Slider ---------- */
.banner {
  margin-top: 0;
  position: relative;
  overflow: hidden;
  height: 560px;
}

.banner-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 600ms ease;
}

.banner-slide.active {
  opacity: 1;
}

.banner-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.banner-slide-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,53,164,0.85) 0%, rgba(0,30,80,0.7) 100%);
}

.banner-slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  padding: 0 var(--container-padding);
}

.banner-slide-content h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  letter-spacing: 2px;
  max-width: 960px;
}

.banner-slide-content p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.banner-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.banner-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.banner-dots button.active {
  background: var(--color-white);
  border-color: var(--color-white);
  transform: scale(1.2);
}

.banner-dots button:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.banner-arrows {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  z-index: 10;
  pointer-events: none;
}

.banner-arrows button {
  pointer-events: all;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.banner-arrows button:hover {
  background: rgba(255,255,255,0.3);
}

.banner-arrows button svg {
  width: 24px;
  height: 24px;
}

/* ---------- About Section (Homepage) ---------- */
.about-section {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  text-align: center;
}

.about-image-badge .number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1;
}

.about-image-badge .label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.about-content h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.about-content h2 span {
  color: var(--color-primary);
}

.about-content .subtitle {
  font-size: var(--font-size-md);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.about-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.about-feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ---------- Products Section (Homepage) ---------- */
.products-section {
  background: var(--color-bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

.product-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.product-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-gray);
}

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

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

.product-card-body {
  padding: var(--spacing-md);
  text-align: center;
}

.product-card-body h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.product-card-body p {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 500;
  margin-top: var(--spacing-sm);
  transition: gap var(--transition-fast);
}

.product-card:hover .product-card-link {
  gap: 8px;
}

/* ---------- Stats Section ---------- */
.stats-section {
  background: var(--color-primary);
  padding: var(--spacing-3xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
  color: var(--color-white);
}

.stat-item .stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-item .stat-number span {
  font-size: var(--font-size-lg);
  font-weight: 400;
}

.stat-item .stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.85;
}

/* ---------- Clients Section ---------- */
.clients-section {
  background: var(--color-white);
}

.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
}

.client-logo {
  width: 140px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  filter: grayscale(100%);
  opacity: 0.6;
}

.client-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.client-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.client-placeholder {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: 500;
}

/* ---------- News Section ---------- */
.news-section {
  background: var(--color-bg-light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.news-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.news-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

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

.news-card-image {
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-gray);
}

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

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

.news-card-body {
  padding: var(--spacing-lg);
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.news-card-tag {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 12px;
  font-weight: 500;
}

.news-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.news-card-body h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.news-card-link:hover .news-card-body h3 {
  color: var(--color-primary);
}

.news-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  color: var(--color-white);
}

.cta-section h2 {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  font-size: var(--font-size-md);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding-top: var(--spacing-3xl);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
  margin-bottom: var(--spacing-md);
}

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

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand .logo-text small {
  color: rgba(255,255,255,0.5);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  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-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-col ul li a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.7);
}

.footer-contact-item a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
}

.footer-bottom a:hover {
  color: rgba(255,255,255,0.7);
}

/* ---------- Page Banner (Inner Pages) ---------- */
.page-banner {
  margin-top: 0;
  height: 280px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect fill="url(%23grid)" width="100" height="100"/></svg>');
  opacity: 0.5;
}

.page-banner-content {
  position: relative;
  z-index: 2;
}

.page-banner-content h1 {
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.page-banner-content .breadcrumb {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.page-banner-content .breadcrumb a {
  color: rgba(255,255,255,0.8);
}

.page-banner-content .breadcrumb a:hover {
  color: var(--color-white);
}

.page-banner-content .breadcrumb span {
  margin: 0 var(--spacing-sm);
}

/* ---------- About Page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-intro-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-intro-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.about-intro-content h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.about-intro-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

/* Timeline */
.timeline-section {
  background: var(--color-bg-light);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  padding-right: var(--spacing-xl);
}

.timeline-item:nth-child(even) .timeline-content {
  padding-left: var(--spacing-xl);
}

.timeline-content {
  flex: 1;
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline-content .year {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-content h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

/* ---------- Products Page ---------- */
.product-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.product-category-card {
  display: flex;
  gap: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

.product-category-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.product-category-image {
  width: 240px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--color-bg-gray);
}

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

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

.product-category-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-category-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.product-category-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.product-category-content .btn {
  align-self: flex-start;
  padding: 8px 20px;
  font-size: var(--font-size-sm);
}

/* Product Detail Grid */
.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.product-detail-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

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

.product-detail-card .product-card-image {
  height: 220px;
}

.product-detail-card .product-card-body {
  padding: var(--spacing-lg);
  text-align: left;
}

.product-detail-card .product-card-body h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-sm);
}

.product-detail-card .product-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.product-spec-tag {
  font-size: var(--font-size-xs);
  padding: 4px 10px;
  background: var(--color-bg-light);
  border-radius: 12px;
  color: var(--color-text-secondary);
}

/* ---------- Product Sidebar ---------- */
.product-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.product-sidebar {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  position: sticky;
  top: 100px;
}

.sidebar-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-link {
  display: block;
  padding: 10px 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  min-height: 44px;
  line-height: 1.4;
}

.sidebar-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.sidebar-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.product-content {
  min-width: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

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

.product-card.hidden {
  display: none;
}

.product-grid .product-card-image {
  aspect-ratio: 4/3 !important;
  height: auto !important;
  overflow: hidden;
  background: var(--color-bg-gray);
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 10px !important;
  box-sizing: border-box !important;
}

.product-grid .product-card-image img {
  max-width: 100% !important;
  max-height: 100% !important;
  width: auto !important;
  height: auto !important;
  object-fit: cover !important;
  display: block;
  transition: transform var(--transition-slow);
}

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

.product-card-body {
  padding: var(--spacing-lg);
}

.product-card-body h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.product-card-body > p:first-of-type {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.product-card-body .product-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  transition: gap var(--transition-fast);
}

.product-card:hover .product-card-link {
  gap: 8px;
}

.product-empty {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-light);
  font-size: var(--font-size-md);
}

.product-loading {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  width: 100%;
}

.product-skeleton {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.product-skeleton .skeleton-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.product-skeleton .skeleton-content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.product-skeleton .skeleton-line {
  height: 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.product-skeleton .skeleton-line.short { width: 40%; }
.product-skeleton .skeleton-line.medium { width: 60%; }

.product-error {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-secondary);
  grid-column: 1 / -1;
}

.product-error .btn {
  margin-top: var(--spacing-md);
}

/* ---------- News Page ---------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.news-list-item {
  display: flex;
  gap: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

.news-list-item:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.news-list-item-image {
  width: 320px;
  height: 213px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--color-bg-gray);
}

.news-list-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-list-item:hover .news-list-item-image img {
  transform: scale(1.05);
}

.news-list-item-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-list-item-content .news-card-meta {
  margin-bottom: var(--spacing-sm);
}

.news-list-item-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.news-list-item-content h3 a {
  color: var(--color-text);
}

.news-list-item-content h3 a:hover {
  color: var(--color-primary);
}

.news-list-item-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  transition: gap var(--transition-fast);
}

.read-more:hover {
  gap: var(--spacing-sm);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-2xl);
}

.pagination button {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.pagination button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

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

/* ---------- Contact Page ---------- */
.contact-info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.contact-info-card .icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-card .icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
}

.contact-info-card .info h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-info-card .info p,
.contact-info-card .info a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.contact-info-card .info a:hover {
  color: var(--color-primary);
}

/* Contact Form Section */
.contact-form-section {
  background: var(--color-bg-light);
  padding: var(--spacing-4xl) 0;
}

.contact-form-wrap {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.contact-form-wrap h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.form-group label .required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,83,164,0.1);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  height: 400px;
  background: var(--color-bg-gray);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  border: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- Loading Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.news-skeleton {
  display: flex;
  gap: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  padding: 0;
}

.skeleton-image {
  width: 320px;
  height: 213px;
  flex-shrink: 0;
}

.skeleton-image {
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.skeleton-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.skeleton-line {
  height: 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.skeleton-line.short { width: 30%; }
.skeleton-line.medium { width: 60%; }

.news-error,
.news-empty {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-secondary);
}

.news-error .btn {
  margin-top: var(--spacing-md);
}

/* ---------- Product Detail Page ---------- */
.detail-loading {
  max-width: 900px;
  margin: 0 auto;
}

.detail-skeleton {
  display: flex;
  gap: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.detail-skeleton .skeleton-image.large {
  width: 400px;
  height: 300px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.detail-skeleton .skeleton-content.wide {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  justify-content: center;
}

.detail-error {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  color: var(--color-text-secondary);
}

.detail-error .btn {
  margin-top: var(--spacing-md);
  display: inline-block;
}

.detail-overview {
  display: flex;
  gap: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  margin-bottom: var(--spacing-2xl);
}

.detail-image-slider {
  width: 400px;
  flex-shrink: 0;
}

.detail-main-image {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-gray);
  margin-bottom: var(--spacing-sm);
}

.detail-main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.detail-thumbnails {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.detail-thumbnail {
  width: 60px;
  height: 60px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
  flex-shrink: 0;
  background: var(--color-bg-gray);
}

.detail-thumbnail.active {
  border-color: var(--color-primary);
}

.detail-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.detail-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.detail-category-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  padding: 4px 12px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 12px;
  margin-bottom: var(--spacing-sm);
  width: fit-content;
}

.detail-info h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.detail-title-en {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.detail-summary {
  font-size: var(--font-size-md);
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.detail-quick-specs {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg-light);
  border-radius: 8px;
}

.quick-spec-item {
  display: flex;
  padding: 6px 0;
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.quick-spec-label {
  color: var(--color-text-secondary);
  min-width: 140px;
  font-weight: 500;
}

.quick-spec-value {
  color: var(--color-text);
}

.detail-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.detail-params-image {
  margin: var(--spacing-lg) 0;
  text-align: center;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.detail-params-image img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.detail-section {
  margin-bottom: var(--spacing-2xl);
}

.detail-section h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.detail-text {
  font-size: var(--font-size-md);
  line-height: 1.9;
  color: var(--color-text);
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.detail-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.detail-feature-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.detail-feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.detail-feature-card .feature-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.detail-feature-card .feature-icon svg {
  width: 18px;
  height: 18px;
}

.detail-feature-card h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.detail-feature-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.detail-specs-table {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

.spec-row {
  display: flex;
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-fast);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row:hover {
  background: var(--color-bg-light);
}

.spec-label {
  width: 180px;
  flex-shrink: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg-gray);
  border-right: 1px solid var(--color-border-light);
}

.spec-value {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.detail-applications {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.application-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.application-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.application-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.detail-gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.detail-gallery-item:hover img {
  transform: scale(1.05);
}

.detail-documents {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.detail-document-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.detail-document-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.document-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.document-icon svg {
  width: 20px;
  height: 20px;
}

.document-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.document-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.document-format {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.document-download {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.document-download svg {
  width: 18px;
  height: 18px;
}

.detail-table-wrap {
  overflow-x: auto;
  margin-top: var(--spacing-sm);
}

.detail-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.detail-data-table th,
.detail-data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border: 1px solid var(--color-border-light);
}

.detail-data-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  white-space: nowrap;
}

.detail-data-table tbody tr:nth-child(even) {
  background: var(--color-bg);
}

.detail-data-table tbody tr:hover {
  background: var(--color-primary-light);
}

.sprocket-sub-section {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.sprocket-sub-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sprocket-sub-section h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.sprocket-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.sprocket-image {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.sprocket-image img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
}

.detail-main-app {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.download-category {
  margin-bottom: var(--spacing-xl);
}

.download-category-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.download-category-title span {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-text-light);
  margin-left: var(--spacing-sm);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.download-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.download-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.download-card-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.download-card-icon svg {
  width: 24px;
  height: 24px;
}

.download-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.download-card-info strong {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.download-card-info span {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.download-card-format {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ---------- News Detail Page ---------- */
.news-detail-layout {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.news-detail-main {
  flex: 1;
  min-width: 0;
}

.news-detail-article {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  margin-bottom: var(--spacing-xl);
}

.news-detail-header {
  margin-bottom: var(--spacing-lg);
}

.news-detail-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.news-detail-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.news-detail-title {
  font-size: var(--font-size-2xl);
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

.news-detail-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.news-detail-divider {
  margin: 0 var(--spacing-xs);
}

.news-detail-image {
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-gray);
}

.news-detail-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.news-detail-body p {
  font-size: var(--font-size-md);
  line-height: 2;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  text-indent: 2em;
}

.news-detail-body p:first-child {
  text-indent: 0;
}

.news-detail-body p:first-child::first-letter {
  font-size: 1.2em;
  font-weight: 600;
}

.news-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--spacing-lg);
}

.news-tag {
  font-size: var(--font-size-sm);
  padding: 4px 12px;
  background: var(--color-bg-light);
  color: var(--color-primary);
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.news-tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.news-detail-share {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

.news-detail-related {
  margin-top: var(--spacing-xl);
}

.news-detail-related h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.news-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.news-detail-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.news-detail-card-image {
  height: 180px;
  overflow: hidden;
  background: var(--color-bg-gray);
}

.news-detail-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.news-detail-card-body {
  padding: var(--spacing-md);
}

.news-detail-card-body .news-card-meta {
  margin-bottom: var(--spacing-xs);
}

.news-detail-card-body h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.news-detail-card-body h3 a {
  color: var(--color-text);
}

.news-detail-card-body h3 a:hover {
  color: var(--color-primary);
}

.news-detail-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-detail-sidebar {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  margin-bottom: var(--spacing-lg);
}

.sidebar-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-category-list li {
  margin-bottom: var(--spacing-xs);
}

.sidebar-category-list a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.sidebar-category-list a:hover,
.sidebar-category-list a.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.sidebar-contact {
  margin-bottom: var(--spacing-md);
}

.sidebar-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-contact-item:last-child {
  border-bottom: none;
}

.sidebar-contact-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.sidebar-contact-item a {
  color: var(--color-text);
}

.sidebar-contact-item a:hover {
  color: var(--color-primary);
}

.sidebar-cta-btn {
  display: block;
  text-align: center;
  width: 100%;
}

/* ---------- Video Page ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.video-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.video-card-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-gray);
  cursor: pointer;
}

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

.video-card:hover .video-card-thumb img {
  transform: scale(1.05);
}

.video-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(0, 83, 164, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.video-card-thumb:hover .video-card-play {
  background: rgba(0, 83, 164, 1);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-card-play svg {
  margin-left: 3px;
}

.video-card-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.video-card-body {
  padding: var(--spacing-md);
}

.video-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.video-card-tag {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 10px;
}

.video-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.video-card-body h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.video-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-loading {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  width: 100%;
}

.video-skeleton {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.video-skeleton .skeleton-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.video-skeleton .skeleton-content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.video-skeleton .skeleton-line {
  height: 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.video-skeleton .skeleton-line.short { width: 30%; }
.video-skeleton .skeleton-line.medium { width: 60%; }

.video-error,
.video-empty {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-secondary);
  grid-column: 1 / -1;
}

.video-error .btn {
  margin-top: var(--spacing-md);
}

.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.video-modal.active {
  display: flex;
}

.video-modal-content {
  background: var(--color-white);
  border-radius: var(--radius-md);
  max-width: 800px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.video-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast);
}

.video-modal-close:hover {
  background: rgba(0, 0, 0, 0.8);
}

.video-modal-title {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
  margin: 0;
  padding-right: 50px;
}

.video-modal-body {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  background: #000;
}

.video-modal-body iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ---------- Downloads Page Dynamic ---------- */
.download-loading {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.download-skeleton {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.download-skeleton .skeleton-line {
  height: 18px;
  width: 40%;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  margin-bottom: var(--spacing-md);
}

.download-skeleton .skeleton-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.download-skeleton .skeleton-card {
  height: 80px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

.download-error,
.download-empty {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-secondary);
}

.download-error .btn {
  margin-top: var(--spacing-md);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 500ms ease forwards;
}

/* ---------- 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;
  }
}

/* CMS form submit feedback */
[data-cms-form-status] {
  margin-top: var(--spacing-md);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

[data-cms-form-status]:not([hidden]) {
  display: block;
}

[data-cms-form-status][data-cms-status="ok"] {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

[data-cms-form-status][data-cms-status="error"] {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}