/* ===== 广西秦唐科技 - 华胜天成风格 redesign ===== */
:root {
  --primary: #0052d9;
  --primary-dark: #003da5;
  --primary-light: #e8f3ff;
  --accent: #e8473c;
  --dark: #0a1628;
  --dark-soft: #1a2b4a;
  --text: #1d2129;
  --text-secondary: #4e5969;
  --text-muted: #86909c;
  --border: #e5e6eb;
  --bg: #ffffff;
  --bg-section: #f5f7fa;
  --shadow: 0 4px 24px rgba(0, 82, 217, 0.08);
  --shadow-hover: 0 12px 40px rgba(0, 82, 217, 0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --nav-height: 72px;
  --container: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }
ul { list-style: none; }

.container {
  width: min(var(--container), 100% - 48px);
  margin: 0 auto;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled,
.header.inner-page {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.header.transparent:not(.scrolled):not(.inner-page) {
  background: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}

.header.transparent:not(.scrolled):not(.inner-page) .logo-text { color: #fff; }

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

.nav-item {
  position: relative;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
  white-space: nowrap;
}

.header.transparent:not(.scrolled):not(.inner-page) .nav-item { color: rgba(255,255,255,0.85); }

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

.header.transparent:not(.scrolled):not(.inner-page) .nav-item:hover,
.header.transparent:not(.scrolled):not(.inner-page) .nav-item.active {
  color: #fff;
}

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

.header.transparent:not(.scrolled):not(.inner-page) .nav-item.active::after {
  background: #fff;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

.header.transparent:not(.scrolled):not(.inner-page) .nav-toggle span { background: #fff; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 61, 165, 0.75) 0%, rgba(0, 82, 217, 0.45) 50%, rgba(10, 22, 40, 0.3) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding-top: var(--nav-height);
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  opacity: 0.9;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 82, 217, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

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

.btn-ghost:hover {
  background: var(--primary);
  color: #fff;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  text-align: center;
  animation: bounce 2s infinite;
}

.hero-scroll::after {
  content: '↓';
  display: block;
  font-size: 20px;
  margin-top: 4px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== 首页全屏滚动 ===== */
body.home-mode { overflow: hidden; }
#app.home-app { height: 100vh; overflow: hidden; }

.home-scroll {
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.home-panel {
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 24px) 0 48px;
  box-sizing: border-box;
}

.home-panel-inner { width: 100%; }

.home-panel-gray { background: var(--bg-section); }
.home-panel-dark {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
}
.home-panel-dark .section-title,
.home-panel-dark .section-subtitle { color: #fff; }
.home-panel-dark .section-desc { color: rgba(255,255,255,0.7); }
.home-panel-dark .about-stat-num { color: #fff; }
.home-panel-dark .about-stat-label { color: rgba(255,255,255,0.6); }
.home-panel-dark .home-contact-compact p { color: rgba(255,255,255,0.65); }

.home-panel-actions { text-align: center; margin-top: 36px; }

.home-product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.home-product-item {
  display: block;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
}

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

.home-product-item img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  background: #f5f8ff;
  padding: 8px;
}

.home-product-item span {
  display: block;
  padding: 12px 8px 16px;
  font-size: 14px;
  font-weight: 600;
}

.home-it-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.home-it-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.home-it-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
}

.home-it-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.home-solution-chart { text-align: center; margin: 16px 0 8px; }
.home-solution-chart img {
  max-width: min(900px, 100%);
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.home-customer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.home-customer-item {
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 16px 12px 20px;
  box-shadow: var(--shadow);
}

.home-customer-item img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.home-customer-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.home-customer-item span { font-size: 12px; color: var(--text-muted); }

.home-coop-logo { text-align: center; padding: 24px 0; }
.home-coop-logo img { max-width: min(640px, 100%); margin: 0 auto; }

.home-about-stats { margin: 24px 0 8px; }

.home-contact-compact {
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.home-contact-compact p { font-size: 14px; }

@media (max-width: 1024px) {
  .home-product-grid { grid-template-columns: repeat(2, 1fr); }
  .home-customer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .home-it-grid { grid-template-columns: 1fr; }
  .home-customer-grid { grid-template-columns: 1fr; }
  .home-panel { padding-bottom: 32px; }
}

/* ===== Section Common ===== */
.section { padding: 100px 0; }
.section-gray { background: var(--bg-section); }
.section-dark { background: var(--dark); color: #fff; }

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

.section-header.left { text-align: left; }

.section-title {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.section-dark .section-title { color: #fff; }

.section-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.section-dark .section-subtitle { color: rgba(255,255,255,0.5); }

.section-desc {
  max-width: 640px;
  margin: 16px auto 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.section-header.left .section-desc { margin-left: 0; }

/* ===== Core Business Cards ===== */
.core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.core-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}

.core-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.core-card-img {
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-light), #fff);
}

.core-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.core-card:hover .core-card-img img { transform: scale(1.08); }

.core-card-body { padding: 28px; }

.core-card-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.core-card-body .en {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.core-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  transition: gap var(--transition);
}

.link-arrow:hover { gap: 10px; }

/* ===== Products ===== */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.product-tab {
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 14px;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.product-tab:hover,
.product-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
}

.product-showcase-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--primary-light);
  aspect-ratio: 16/10;
}

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

.product-showcase-info h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-showcase-info .tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 20px;
}

.product-showcase-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.product-card-img {
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, #e8f3ff 0%, #f0f5ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

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

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

.product-card-body { padding: 24px; }

.product-card-body h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-body .category {
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 8px;
}

/* ===== IT Services ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-block {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.service-block-header {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-block-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-block-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

.service-block-header h3 {
  position: absolute;
  bottom: 24px;
  left: 28px;
  z-index: 1;
  color: #fff;
  font-size: 24px;
}

.service-block-body { padding: 28px; }

.service-block-body > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

.service-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-item {
  padding: 16px;
  background: var(--bg-section);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.service-item h5 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.service-item p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Solutions ===== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  display: flex;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.solution-card-img {
  width: 200px;
  flex-shrink: 0;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.solution-card-img img {
  width: 100%;
  height: 120px;
  object-fit: contain;
}

.solution-card-body {
  padding: 28px;
  flex: 1;
}

.solution-card-body h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.solution-card-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tags { display: flex; gap: 8px; flex-wrap: wrap; }

.tag-item {
  padding: 3px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
}

.industry-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.industry-item {
  text-align: center;
  padding: 24px 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  min-width: 140px;
  transition: all var(--transition);
}

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

.industry-item .icon { font-size: 32px; margin-bottom: 8px; }
.industry-item span { font-size: 14px; color: var(--text-secondary); }

/* ===== Stats ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.stat-num {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-num span { color: var(--accent); }

.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

/* ===== Customers & Partners ===== */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.logo-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid transparent;
}

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

.logo-card img {
  height: 120px;
  width: auto;
  max-width: 100%;
  margin: 0 auto 16px;
  object-fit: contain;
}

.logo-card h4 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.partner-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.partner-card img {
  height: 60px;
  width: auto;
  max-width: 100%;
  margin: 0 auto 12px;
  object-fit: contain;
}

.partner-card span {
  font-size: 12px;
  color: var(--text-secondary);
  display: block;
}

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

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

.about-img img { width: 100%; }

.about-content h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--primary);
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 15px;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.highlight-item {
  padding: 20px;
  background: var(--bg-section);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.highlight-item h5 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.highlight-item p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  height: 360px;
  display: flex;
  align-items: center;
  margin-top: var(--nav-height);
  overflow: hidden;
}

.page-banner-bg {
  position: absolute;
  inset: 0;
}

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

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 61, 165, 0.85), rgba(0, 82, 217, 0.6));
}

.page-banner-content {
  position: relative;
  z-index: 1;
  color: #fff;
}

.page-banner-content h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-banner-content p {
  font-size: 14px;
  opacity: 0.8;
  letter-spacing: 2px;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

/* ===== Contact / Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-info h3 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 8px;
}

.footer-info .en {
  font-size: 12px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 24px;
}

.footer-info p {
  font-size: 14px;
  line-height: 2;
  margin-bottom: 8px;
}

.footer-qr {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.footer-qr img {
  width: 80px;
  height: 80px;
  border-radius: 8px;
}

.footer-qr span { font-size: 13px; }

.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ===== Product Detail ===== */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.detail-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--primary-light);
}

.detail-img img { width: 100%; }

.detail-info h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.detail-info .tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 24px;
}

.detail-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 15px;
  margin-bottom: 16px;
}

.detail-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.detail-feature {
  padding: 20px;
  background: var(--bg-section);
  border-radius: var(--radius);
}

.detail-feature h5 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary);
}

.detail-feature p {
  font-size: 13px;
  margin: 0;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Mobile Nav ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  padding: 16px;
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}

.mobile-nav.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-secondary);
  border-radius: var(--radius);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .core-grid { grid-template-columns: 1fr; }
  .product-showcase { grid-template-columns: 1fr; padding: 32px; }
  .service-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .about-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
  .section { padding: 60px 0; }
  .service-items { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .highlights { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .detail-features { grid-template-columns: 1fr; }
  .solution-card { flex-direction: column; }
  .solution-card-img { width: 100%; height: 160px; }
  .page-banner { height: 260px; }
  .page-banner-content h1 { font-size: 28px; }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .product-tabs { gap: 6px; }
  .product-tab { padding: 8px 14px; font-size: 13px; }
}

/* ===== 原站内页布局 ===== */
.inner-banner { margin-top: var(--nav-height); width: 100%; overflow: hidden; }
.inner-banner-img { width: 100%; height: 400px; object-fit: cover; object-position: center; }
.inner-banner .desktop-only { display: block; }
.inner-banner .mobile-only { display: none; }
.mobile-only { display: none; }
.inner-page-section { padding: 48px 0 80px; }

/* 矢量内页 Banner（IT整体运维等，文字清晰） */
.section-banner {
  position: relative;
  margin-top: var(--nav-height);
  height: 400px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #4f6de8 0%, #5876f2 45%, #6884f4 100%);
}

.section-banner-pattern {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='400' viewBox='0 0 1200 400'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='0.6' opacity='0.28'%3E%3Cpath d='M80 320 L200 280 L320 300 L440 240 L560 260 L680 200 L800 220 L920 160 L1040 180 L1120 120'/%3E%3Cpath d='M120 360 L240 300 L360 340 L480 280 L600 310 L720 250 L840 270 L960 210 L1080 230'/%3E%3C/g%3E%3Cg fill='%23ffffff' opacity='0.45'%3E%3Ccircle cx='440' cy='240' r='3'/%3E%3Ccircle cx='680' cy='200' r='3'/%3E%3Ccircle cx='920' cy='160' r='3'/%3E%3Ccircle cx='1120' cy='120' r='4'/%3E%3Ccircle cx='720' cy='250' r='3'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  background-position: center bottom;
  pointer-events: none;
}

.section-banner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.section-banner-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  letter-spacing: 2px;
  -webkit-font-smoothing: antialiased;
}

.section-banner-en {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.page-content-area {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  margin-top: 32px;
}

.page-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.sidebar-item {
  padding: 18px 24px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.sidebar-item:last-child { border-bottom: none; }
.sidebar-item p { margin: 0; font-size: 16px; color: var(--text); }
.sidebar-item:hover { background: var(--primary-light); }
.sidebar-item.active { background: var(--primary); }
.sidebar-item.active p { color: #fff; }

.page-main { flex: 1; min-width: 0; }
.page-main.full-width { max-width: 100%; }

.content-heading { font-size: 20px; font-weight: 600; margin-bottom: 24px; color: var(--text); }
.content-intro { line-height: 1.8; color: var(--text-secondary); margin-bottom: 24px; font-size: 14px; }
.content-subhead h4 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.content-subhead p { line-height: 1.8; color: var(--text-secondary); margin-bottom: 32px; font-size: 14px; }
.section-label { font-size: 20px; font-weight: 600; margin: 40px 0 20px; color: var(--text); }

.it-loop-block { margin-bottom: 36px; }
.it-loop-title h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.it-loop-title hr { width: 64px; height: 3px; border: none; background: var(--primary); margin: 0; }
.it-tag-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.it-tag {
  min-width: 98px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
}
.it-tag.wide { min-width: 241px; }
.it-tag p { margin: 0; font-size: 14px; color: var(--text); }

.content-chart { width: 100%; max-width: 100%; margin: 24px 0; border-radius: var(--radius); }

.db-points-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 24px;
  margin-bottom: 40px;
}

.db-point-card {
  position: relative;
  background: var(--bg-section);
  border-radius: 0 30px 0 30px;
  padding: 50px 24px 24px;
  min-height: 200px;
}

.db-point-label {
  position: absolute;
  top: -30px;
  left: -20px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 16px 20px;
}

.db-point-label p { margin: 0; font-weight: 700; font-size: 16px; white-space: nowrap; }
.db-point-card > p { font-size: 14px; line-height: 1.7; color: var(--text-secondary); }

.db-section { margin-bottom: 48px; }
.db-section-text { font-size: 14px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 24px; }
.db-section-img { width: 100%; max-width: 920px; margin-top: 16px; border-radius: var(--radius); }

.detail-list { margin-top: 16px; }
.detail-item { display: flex; gap: 10px; margin-bottom: 16px; align-items: flex-start; }
.detail-item .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--primary); flex-shrink: 0; margin-top: 8px;
}
.detail-item p { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin: 0; }
.detail-item strong { color: var(--primary); }

.recovery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.recovery-card {
  border: 1px solid rgba(0, 82, 217, 0.3);
  position: relative;
  padding-top: 36px;
  min-height: 320px;
}
.recovery-head {
  position: absolute; top: -30px; left: 0;
  background: var(--primary); color: #fff;
  padding: 16px 24px; font-size: 16px; font-weight: 600;
}
.recovery-body { padding: 24px; }
.recovery-body p { font-size: 14px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 8px; }

.solution-intro { font-size: 14px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 40px; }
.solution-chart-wrap { text-align: center; }
.solution-chart-wrap img { max-width: 100%; width: min(900px, 100%); }

.orig-solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.orig-solution-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.orig-solution-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 16px;
  border-radius: 12px;
}
.orig-solution-card h4 { font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.orig-solution-lines p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 6px; }

.customer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.customer-card {
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 16px 32px;
  box-shadow: var(--shadow);
}

.customer-card h4 { font-size: 20px; font-weight: 500; margin-bottom: 4px; }
.customer-en { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 20px; }
.customer-card img { width: 100%; max-width: 380px; margin: 0 auto; border-radius: var(--radius); object-fit: cover; aspect-ratio: 16/10; }

/* ===== 全国业务网络（参考华胜天成全球业务网络动效） ===== */
.customer-network {
  margin-top: 56px;
  padding: 40px 32px 32px;
  background: linear-gradient(180deg, #f0f5ff 0%, #fafbfd 55%, #fff 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 82, 217, 0.08);
}

.customer-network .section-header { margin-bottom: 32px; }

.network-map-wrap {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 12px 8px 8px;
}

.network-map-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 900 / 720;
}

.network-map-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.95;
  filter: drop-shadow(0 8px 24px rgba(0, 82, 217, 0.08));
}

.network-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.network-line {
  stroke: rgba(0, 82, 217, 0.22);
  stroke-width: 0.18;
  stroke-dasharray: 1.2 0.8;
  animation: network-line-flow 4s linear infinite;
}

@keyframes network-line-flow {
  to { stroke-dashoffset: -8; }
}

.network-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0, 82, 217, 0.55);
  z-index: 2;
}

.network-dot::before,
.network-dot::after {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1px solid rgba(0, 82, 217, 0.45);
  border-radius: 50%;
  animation: network-pulse 2.8s ease-out infinite;
}

.network-dot::after {
  animation-delay: 1.4s;
}

.network-dot.hq {
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  background: #ff6a00;
  box-shadow: 0 0 12px rgba(255, 106, 0, 0.6);
}

.network-dot.hq::before,
.network-dot.hq::after {
  border-color: rgba(255, 106, 0, 0.5);
}

@keyframes network-pulse {
  0% { transform: scale(0.6); opacity: 0.85; }
  100% { transform: scale(3.2); opacity: 0; }
}

.network-city {
  position: absolute;
  transform: translate(-50%, calc(-100% - 14px));
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 4px;
  border: 1px solid rgba(0, 82, 217, 0.1);
  z-index: 3;
  animation: network-city-in 0.8s ease both;
  pointer-events: none;
}

.network-city.hq {
  color: #ff6a00;
  font-weight: 600;
  font-size: 13px;
  border-color: rgba(255, 106, 0, 0.25);
  background: rgba(255, 255, 255, 0.95);
}

@keyframes network-city-in {
  from { opacity: 0; transform: translate(-50%, calc(-100% - 6px)); }
  to { opacity: 1; transform: translate(-50%, calc(-100% - 14px)); }
}

.network-city-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  max-width: 880px;
  margin: 20px auto 28px;
  padding: 0 12px;
}

.network-city-list span {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.network-city-list span.hq {
  color: var(--primary);
  font-weight: 600;
}

.network-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px 56px;
  padding-top: 8px;
  border-top: 1px solid rgba(0, 82, 217, 0.1);
}

.network-stat {
  text-align: center;
  min-width: 100px;
}

.network-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.network-stat span {
  font-size: 14px;
  color: var(--text-secondary);
}

.coop-logo-wrap { text-align: center; padding: 60px 0 80px; }
.coop-logo-wrap img { max-width: min(800px, 100%); height: auto; }

.about-stats-bar {
  display: flex;
  justify-content: space-between;
  background: #fff;
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  padding: 32px 48px;
  margin-bottom: 48px;
}

.about-stat { text-align: center; flex: 1; }
.about-stat-num { font-size: 48px; font-weight: 700; color: var(--text); line-height: 1.2; }
.about-stat-label { font-size: 14px; color: var(--text-muted); margin-top: 8px; }

.about-block { margin-bottom: 32px; }
.about-block-title { font-size: 16px; font-weight: 600; color: var(--primary); margin-bottom: 12px; }
.about-block-text { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }

.cert-row {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.cert-text { flex: 1; }
.cert-text h4 { font-size: 24px; color: rgba(0, 82, 217, 0.35); margin-bottom: 16px; }
.cert-text h4 span { font-size: 18px; color: var(--text); }
.cert-text p { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.cert-row img { width: 489px; max-width: 45%; height: auto; border-radius: var(--radius); }

.service-block-row { margin-bottom: 40px; padding-top: 8px; border-top: 1px solid var(--border); }
.service-block-row h4 { font-size: 24px; color: rgba(0, 82, 217, 0.35); margin-bottom: 16px; }
.service-block-row h4 span { font-size: 18px; color: var(--text); }
.service-block-row p { font-size: 14px; line-height: 1.8; color: var(--text-secondary); max-width: 920px; }
.services-bottom-img { width: 100%; margin-top: 32px; border-radius: var(--radius); }

@media (max-width: 1024px) {
  .page-content-area { flex-direction: column; }
  .page-sidebar { width: 100%; display: flex; }
  .sidebar-item { flex: 1; text-align: center; border-bottom: none; border-right: 1px solid var(--border); }
  .sidebar-item:last-child { border-right: none; }
  .db-points-grid { grid-template-columns: 1fr; }
  .recovery-grid { grid-template-columns: 1fr; }
  .orig-solution-grid { grid-template-columns: 1fr; }
  .customer-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-row { flex-direction: column; }
  .cert-row img { max-width: 100%; width: 100%; }
  .about-stats-bar { flex-direction: column; gap: 24px; }
}

@media (max-width: 768px) {
  .inner-banner-img { height: 260px; }
  .inner-banner .desktop-only { display: none; }
  .inner-banner .mobile-only { display: block; }
  .desktop-only { display: none; }
  .mobile-only { display: block; }
  .section-banner { height: 260px; }
  .section-banner-title { font-size: 28px; }
  .section-banner-en { font-size: 13px; }
  .customer-grid { grid-template-columns: 1fr; }
  .customer-network { margin-top: 40px; padding: 28px 16px 24px; }
  .network-city { font-size: 11px; padding: 1px 6px; }
  .network-city:not(.hq) { display: none; }
  .network-city.hq { display: block; }
  .network-city-list { gap: 8px 12px; }
  .network-city-list span { font-size: 12px; }
  .network-stats { gap: 20px 32px; }
  .network-stat strong { font-size: 26px; }
  .page-sidebar { flex-direction: column; }
  .sidebar-item { border-right: none; border-bottom: 1px solid var(--border); }
}

/* ===== 自研产品列表 / 详情（原站布局） ===== */
.product-hero-banner {
  margin-top: var(--nav-height);
  background: linear-gradient(180deg, #eef4ff 0%, #fff 100%);
  padding: 36px 16px 28px;
  text-align: center;
}

.product-hero-banner img {
  width: min(1100px, 100%);
  max-height: 280px;
  object-fit: contain;
  object-position: center;
  margin: 0 auto;
  display: block;
}

.product-list-section {
  padding-top: 48px;
}

.product-list-section .breadcrumb {
  margin-bottom: 8px;
}

.product-list-wrap { max-width: 1200px; }
.product-list-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  margin-top: 32px;
}

.product-list-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.product-list-sidebar-item {
  padding: 18px 24px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  color: var(--text);
  transition: all var(--transition);
}

.product-list-sidebar-item:last-child { border-bottom: none; }
.product-list-sidebar-item:hover { background: var(--primary-light); }
.product-list-sidebar-item.active { background: var(--primary); color: #fff; }

.product-list-cards {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 40px 30px;
  min-width: 0;
}

.product-list-card {
  width: calc(50% - 15px);
  max-width: 430px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 3px 3px 12px rgba(0, 16, 97, 0.1);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition);
}

.product-list-card:hover {
  box-shadow: 10px 10px 30px rgba(0, 82, 217, 0.16);
  background: var(--primary);
  color: #fff;
}

.product-list-card img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  object-position: center;
  background: #f5f8ff;
  display: block;
  transition: transform 0.2s;
}

.product-list-card:hover img { transform: scale(1.02); }
.product-list-card-body { padding: 24px 20px 28px; text-align: center; }
.product-list-card-name { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.product-list-card-desc { font-size: 14px; line-height: 1.7; opacity: 0.85; margin-bottom: 16px; min-height: 48px; }
.product-list-card hr { width: 80%; border: none; border-top: 1px solid #f2f0f0; margin: 0 auto 16px; }
.product-list-card:hover hr { border-color: rgba(255,255,255,0.3); }
.product-list-card-link { font-size: 14px; color: var(--primary); }
.product-list-card:hover .product-list-card-desc,
.product-list-card:hover .product-list-card-link { color: #fff; opacity: 1; }

.product-detail-intro {
  background: #fff;
  padding: 48px 0 24px;
}

.product-detail-intro-inner { max-width: 1200px; }
.pd-intro-block { max-width: 1200px; }
.pd-intro-text {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.product-detail-content {
  background: #fcfdff;
  padding: 0 0 80px;
}

.pd-section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 48px 0 24px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.pd-section-title img { height: 12px; padding-bottom: 4px; }
.pd-center-block:first-child .pd-section-title { margin-top: 0; }

.pd-content-img {
  width: 100%;
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

.pd-content-img.narrow { max-width: 700px; }

.pd-show-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.pd-show-layout.with-terminals .pd-content-img { flex: 1; min-width: 280px; }
.pd-terminals { flex: 1; min-width: 280px; padding-top: 40px; }
.pd-terminal { margin-bottom: 48px; line-height: 1.9; font-size: 14px; color: var(--text-secondary); }
.pd-terminal-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 8px; }

.pd-char-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.pd-char-card {
  background: #f9faff;
  border-radius: 0 30px 0 30px;
  padding: 24px 24px 80px;
  position: relative;
  min-height: 200px;
  transition: box-shadow var(--transition);
}

.pd-char-card:hover { box-shadow: 10px 10px 30px rgba(0, 82, 217, 0.1); }
.pd-char-title { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.pd-char-text { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.pd-char-img { position: absolute; right: 24px; bottom: 16px; }
.pd-char-img img { height: 40px; width: auto; }

.pd-build-img { width: 100%; margin: 16px 0 32px; border-radius: var(--radius); }

.pd-module {
  margin-bottom: 40px;
  padding-bottom: 24px;
}

.pd-module-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.pd-module-hr { width: 44px; height: 3px; border: none; background: #6479e2; margin: 0 0 16px; }
.pd-module-preface { font-size: 14px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 16px; }
.pd-tip-row { margin-top: 16px; font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.pd-tip-row span { font-weight: 600; color: var(--text); }

.pd-text-item { margin-bottom: 36px; }
.pd-text-item-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.pd-text-item-body { font-size: 14px; line-height: 1.9; color: var(--text-secondary); }

.pd-cssd-wrap.with-features {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.pd-kit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}

.pd-kit-item img { width: 100%; border-radius: var(--radius); }

.pd-feature-grid {
  flex: 1;
  min-width: 280px;
  display: grid;
  gap: 24px;
}

.pd-feature-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pd-feature-title img { width: 16px; height: auto; }
.pd-feature-item span { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }

.pd-advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.pd-adv-card {
  border: 1px solid rgba(0, 82, 217, 0.35);
  position: relative;
  min-height: 320px;
  padding-top: 36px;
}

.pd-adv-tips { padding: 32px 24px 60px; }
.pd-adv-tips p { font-size: 14px; line-height: 1.9; color: var(--text-secondary); margin-bottom: 8px; }

.pd-adv-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 82, 217, 0.08);
  padding: 16px 20px;
}

.pd-adv-label span { font-size: 16px; font-weight: 600; color: var(--primary); }

.pd-platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.pd-platform-card {
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  box-shadow: var(--shadow);
}

.pd-platform-card img { width: 100%; max-width: 280px; margin: 0 auto 16px; display: block; }
.pd-platform-card hr { width: 100%; border: none; border-top: 1px solid #f2f0f0; margin: 0 0 16px; }
.pd-platform-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.pd-platform-text { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }

@media (max-width: 1024px) {
  .product-list-layout { flex-direction: column; }
  .product-list-sidebar { width: 100%; display: flex; }
  .product-list-sidebar-item { flex: 1; text-align: center; border-bottom: none; border-right: 1px solid var(--border); }
  .product-list-sidebar-item:last-child { border-right: none; }
  .product-list-card { width: 100%; max-width: none; }
  .pd-char-grid { grid-template-columns: 1fr; }
  .pd-advantage-grid { grid-template-columns: 1fr; }
  .pd-platform-grid { grid-template-columns: 1fr; }
  .pd-show-layout.with-terminals { flex-direction: column; }
  .pd-terminals { padding-top: 0; }
}

@media (max-width: 768px) {
  .product-hero-banner { padding: 24px 12px 20px; }
  .product-hero-banner img { max-height: 200px; }
  .product-list-sidebar { flex-direction: column; }
  .product-list-sidebar-item { border-right: none; border-bottom: 1px solid var(--border); }
  .pd-kit-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-cssd-wrap.with-features { flex-direction: column; }
}