/* ========================================
   鸿石智能 - 企业官网样式
   Hongshi Intelligent Technology Co., Ltd.
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #0B1D3A;
  --primary-light: #132D56;
  --accent: #7D3B9A;
  --accent-dark: #6B2D82;
  --accent-blue: #2B7FFF;
  --accent-blue-light: #5b9bff;
  --dark-bg: #060E1A;
  --dark-section: #0A1628;
  --dark-card: #111E36;
  --text-dark: #1a1a2e;
  --text-body: #4a4a5a;
  --text-light: #999;
  --text-muted: #8892a4;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --border-color: #e0e4e8;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Base Styles ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text-body);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

::selection {
  background: var(--accent);
  color: var(--white);
}

/* ---------- Navigation ---------- */
#mainNavbar {
  height: 72px;
  padding: 0;
  transition: var(--transition);
  background: transparent;
  z-index: 1050;
  --bs-navbar-padding-y: 0;
}

#mainNavbar.scrolled {
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  padding: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 20px rgba(0,0,0,0.12);
}

#mainNavbar .navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding-top: 0;
  padding-bottom: 0;
}

.brand-logo {
  height: auto;
  width: 310px;
}

#mainNavbar .nav-link {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  font-weight: 400;
  padding: 1px 18px !important;
  border-radius: 2px;
  margin: 0 2px;
  transition: var(--transition);
}

#mainNavbar .nav-link:hover,
#mainNavbar .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

#mainNavbar .navbar-toggler {
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 10px;
  border-radius: 8px;
}

/* Mobile menu full-width dropdown */
@media (max-width: 991.98px) {
  #navbarContent {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(2, 10, 24, 0.7);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
  }

  #navbarContent .navbar-nav {
    padding: 0 24px;
  }

  #navbarContent .nav-link {
    font-size: 1.1rem;
    padding: 14px 18px !important;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
}

#mainNavbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Hero Section ---------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #060E1A 0%, #0B1D3A 40%, #0D2147 70%, #060E1A 100%);
  background-image: url('../img/page-01-img-02-2283x1522.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

/* Dark overlay to keep text readable on background image */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(6, 14, 26, 0.65);
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(240, 160, 48, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(43, 127, 255, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(240, 160, 48, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.15), transparent),
    radial-gradient(1px 1px at 25% 55%, rgba(255,255,255,0.1), transparent),
    radial-gradient(1px 1px at 40% 15%, rgba(255,255,255,0.12), transparent),
    radial-gradient(1px 1px at 55% 75%, rgba(255,255,255,0.1), transparent),
    radial-gradient(1px 1px at 70% 35%, rgba(255,255,255,0.13), transparent),
    radial-gradient(1px 1px at 85% 60%, rgba(255,255,255,0.1), transparent),
    radial-gradient(1px 1px at 15% 85%, rgba(255,255,255,0.08), transparent),
    radial-gradient(1px 1px at 60% 10%, rgba(255,255,255,0.11), transparent),
    radial-gradient(1px 1px at 90% 90%, rgba(255,255,255,0.09), transparent),
    radial-gradient(2px 2px at 35% 40%, rgba(240, 160, 48, 0.2), transparent),
    radial-gradient(2px 2px at 65% 30%, rgba(240, 160, 48, 0.18), transparent),
    radial-gradient(1px 1px at 80% 80%, rgba(240, 160, 48, 0.15), transparent);
}

.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 20px;
}

.hero-title {
  font-size: 4.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.25;
  margin-top: 0.5rem;
  letter-spacing: 0.01em;
}

.hero-title span {
  color: #8A5BF4;
}

.hero-divider {
  width: 60px;
  height: 3px;
  background: #ffffff;
  margin: 1.5rem auto;
  border-radius: 2px;
  opacity: 0.8;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.hero-subtitle .dot {
  color: var(--accent);
  font-weight: bold;
}

.hero-cta .btn-primary {
  background: #8A5BF4;
  border-color: #8A5BF4;
  color: var(--white);
  font-weight: 600;
  padding: 12px 32px;
  font-size: 1rem;
  transition: var(--transition);
}

.hero-cta .btn-primary:hover {
  background: #7C3FED;
  border-color: #7C3FED;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(138, 91, 244, 0.35);
}

.hero-cta .btn-outline-light {
  font-weight: 600;
  padding: 12px 32px;
  font-size: 1rem;
  border-width: 1.5px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px) saturate(160%);
  -webkit-backdrop-filter: blur(5px) saturate(160%);
  border-color: rgba(255, 255, 255, 0.4);
  transition: var(--transition);
}

.hero-cta .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  animation: bounceDown 2s ease-in-out infinite;
  z-index: 2;
}

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

/* ---------- Section Styles ---------- */
.section-padding {
  padding: 90px 0;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

/* Section specific title styles */
#about .section-label,
#products .section-label,
#cases .section-label,
#advantages .section-label,
#contact .section-label {
  font-size: 28px;
  font-weight: 800;
  text-transform: none;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

#about .section-title,
#products .section-title,
#cases .section-title,
#advantages .section-title,
#contact .section-title {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 3px;
}

#about .about-container {
  max-width: 1500px;
  margin-left: auto;
  margin-right: auto;
}

.section-title span {
  color: var(--accent);
  position: relative;
}

.section-desc {
  max-width: 780px;
  margin: 0 auto;
  color: var(--text-body);
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.bg-dark-section .section-title {
  color: var(--white);
}

.bg-dark-section .section-title span {
  color: var(--accent);
}

.bg-dark-section .section-desc {
  color: var(--text-muted);
}

/* ---------- Market Coverage Section ---------- */
#stats .container-fluid {
  max-width: 1500px;
  margin-left: auto;
  margin-right: auto;
}

.market-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
  text-align: center;
}

.market-subtitle {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 1rem;
  text-align: center;
}

.market-subtitle span {
  color: var(--accent);
}

/* Horizontal scroll container */
.market-cards-scroll {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin: 0 calc(-1 * var(--bs-gutter-x, 0.75rem));
  padding: 0 var(--bs-gutter-x, 0.75rem);
}

.market-cards-scroll::-webkit-scrollbar {
  display: none;
}

.market-card {
  flex: 1 1 0;
  min-width: 160px;
  height: 480px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  scroll-snap-align: start;
  transition: flex 0.4s ease;
}

.market-card:first-child {
  border-radius: 16px 0 0 16px;
}

.market-card:last-child {
  border-radius: 0 16px 16px 0;
}

@media (min-width: 768px) {
  .market-card:hover,
  .market-card.active {
    flex: 0 0 26%;
  }
}

@media (min-width: 768px) {
  .market-card:hover,
  .market-card.active {
    flex: 0 0 28%;
  }
}

.market-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.4s ease;
}

@media (min-width: 768px) {
  .market-card:hover .market-card-bg,
  .market-card.active .market-card-bg {
    transform: scale(1.05);
  }
}

.market-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.4) 100%);
  transition: opacity 0.3s ease;
}

@media (min-width: 768px) {
  .market-card:hover .market-card-overlay,
  .market-card.active .market-card-overlay {
    background: linear-gradient(to top, rgba(125, 59, 154, 0.6) 0%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0.5) 100%);
  }
}

.market-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.market-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0;
  text-align: center;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  transition: all 0.4s ease;
}

@media (min-width: 768px) {
  .market-card:hover .market-card-title,
  .market-card.active .market-card-title {
    font-size: 1.5rem;
  }
}

/* ---------- Growth Image ---------- */
.growth-section {
  width: 100%;
}

.growth-bg-img {
  width: 100%;
  display: block;
}
.growth-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.growth-step {
  display: flex;
  align-items: center;
  flex: 1;
}

.growth-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 28px;
  flex: 1;
  transition: var(--transition);
}

.growth-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.growth-year {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 14px;
}

.growth-year span {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.6;
}

.growth-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 8px;
}

.growth-desc:last-child {
  margin-bottom: 0;
}

.growth-tag {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(125, 59, 154, 0.08);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 6px;
  margin-top: 8px;
}

.growth-arrow {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
  margin: 0 4px;
  opacity: 0.5;
}

/* ---------- History Timeline ---------- */
#history {
  background: #7D3B9A;
}

#history .market-title { color: #fff; }

.history-timeline {
  position: relative;
  margin-top: 1.5rem;
}

.history-timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255,255,255,0.15);
}

.history-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 48px;
}

.history-item:last-child { margin-bottom: 0; }

.history-year {
  font-size: 2.6rem;
  font-weight: 800;
  color: rgb(255, 255, 255);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.history-year span {
  font-size: 1rem;
  font-weight: 500;
  color: rgb(255, 255, 255);
}

.history-dot {
  position: absolute;
  left: -44px;
  top: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 2px #fff;
  z-index: 2;
}

.history-content p {
  font-size: 1.05rem;
  color: #fff;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.history-content p:last-child { margin-bottom: 0; }

.history-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.history-tags span {
  font-size: 0.9rem;
  color: rgb(255, 255, 255);
}

/* ---------- About Section ---------- */
.about-text {
  font-size: 1.25rem;
  color: #000;
  line-height: 1.9;
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
}

.about-text strong {
  color: #7D3B9A;
}

#products .section-desc {
  font-size: 1.25rem;
  color: #000;
  line-height: 1.9;
  letter-spacing: 0.03em;
  max-width: none;
  margin: 0;
}

/* Full-width purple background bar */
.about-image-bar {
  width: 100%;
  padding: 20px 0 40px;
  position: relative;
}

.about-image-bar::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 66.67%;
  background: #7D3B9A;
  z-index: 1;
}

.about-image-wrap {
  position: relative;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 1.5rem;
  z-index: 2;
}

.about-image-full {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

/* ---------- Stats ---------- */
.stat-group {
  margin-bottom: 4.5rem;
}

.stat-group:last-of-type {
  margin-bottom: 1.5rem;
}

.stat-group-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.stat-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
}

.stat-divider-line {
  width: 1px;
  height: 80px;
  background: #DADADA;
}

.stat-circles-row {
  flex-wrap: wrap;
  gap: 32px;
}

.stat-circles {
  display: flex;
  align-items: center;
  gap: 80px;
  flex-wrap: wrap;
}

.stats-row {
  margin-top: 0;
}

.stat-card {
  text-align: left;
  transition: var(--transition);
  width: 12ch;
  flex-shrink: 0;
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-icon {
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 32px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 16px;
}

.stat-value span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-left: 1px;
  opacity: 0.7;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 600;
}

.stat-icon {
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 4px;
}

/* ---------- Industry Tags ---------- */
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 20px 24px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
}

.tag-label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.tag {
  display: inline-block;
  padding: 5px 16px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-body);
  transition: var(--transition);
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(240, 160, 48, 0.05);
}

/* ---------- Product Cards ---------- */
.products-section {
  background: #fff;
  position: relative;
  padding: 90px 0 0;
}

#products .container-fluid {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.product-card {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  padding: 40px 28px;
  height: 100%;
  text-align: center;
  transition: var(--transition);
}

.product-card:hover {
  background: rgba(255,255,255,0.85);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-icon {
  width: 64px;
  height: 64px;
  background: rgba(125, 59, 154, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  overflow: hidden;
}

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

.product-bottom-img {
  width: 100%;
  height: 410px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

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

.product-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0;
}

/* ---------- Case Carousel ---------- */
.case-slide {
  width: 70%;
  margin: 0 auto;
  text-align: center;
}

/* Remove default Bootstrap carousel transition for clean slide */
#casesCarousel .carousel-item {
  transition: transform 0.5s ease-in-out;
}

.case-slide-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.case-slide-title span {
  color: var(--accent);
  font-weight: 800;
}

.case-slide-img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.case-highlights {
  margin-bottom: 16px;
  display: inline-block;
  text-align: left;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.95rem;
  color: #000;
  line-height: 1.6;
}

.highlight-item i {
  color: var(--accent);
  font-size: 0.75rem;
  margin-top: 4px;
  flex-shrink: 0;
}

.case-metric-inline {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.metric-big {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.metric-sm {
  font-size: 0.85rem;
  color: var(--text-light);
}

.case-desc {
  font-size: 0.95rem;
  color: #000;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Fixed carousel height */
#casesCarousel .carousel-inner {
  min-height: 720px;
}

/* Carousel Indicators */
#casesCarousel .carousel-indicators {
  bottom: -20px;
  gap: 8px;
}

#casesCarousel .carousel-indicators button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  border: none;
}

#casesCarousel .carousel-indicators button.active {
  background: rgba(0, 0, 0, 0.4);
}

/* Carousel Buttons */
.case-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: var(--white);
  color: var(--accent);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
}

.case-carousel-btn:hover {
  background: var(--accent);
  color: var(--white);
}

.case-prev {
  left: 2%;
}

.case-next {
  right: 2%;
}

/* ---------- Advantage Cards ---------- */
.advantages-section {
  position: relative;
  overflow: hidden;
  height: 800px;
  display: flex;
  align-items: center;
}

.advantages-section::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: url('../img/service advantages.jpg') center/cover no-repeat;
  z-index: 0;
}

.advantages-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(30, 53, 114, 0.7);
  z-index: 1;
}

.advantages-section .container-fluid {
  position: relative;
  z-index: 2;
}

.advantages-section .section-label { color: rgba(255,255,255,0.85); }
.advantages-section .section-title { color: rgba(255,255,255,0.7); }
.advantages-section .section-title span { color: #fff; }

.core-values-highlight {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-top: 48px;
}

.cv-pill {
  font-size: 1.3rem;
  font-weight: 400;
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.5);
}

.adv-circles-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.cv-pill span {
  color: rgba(255,255,255,0.5);
  margin: 0 4px;
}

.advantage-card {
  background: rgba(126, 49, 142, 0.5);
  border: none;
  border-radius: var(--radius);
  width: 240px;
  height: 240px;
  padding: 40px 24px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.advantage-card:hover {
  transform: translateY(-4px);
  background: rgba(126, 49, 142, 0.55);
}

.adv-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-size: 1.8rem;
  color: #fff;
}

.adv-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.advantage-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.advantage-card p {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

/* ---------- Core Values ---------- */
.core-values {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.value-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  transition: var(--transition);
  height: 100%;
}

.value-pill i {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
}

.value-pill:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* ---------- Contact Section ---------- */
.contact-banner {
  display: block;
  width: calc(100% - 160px);
  max-width: 1340px;
  height: auto;
  margin: 1.5rem auto;
}

.contact-section {
  background: url('../img/page-10-img-01-1024x683.png') center/cover no-repeat;
  position: relative;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.85);
  z-index: 0;
}

.contact-section .container-fluid {
  position: relative;
  z-index: 1;
}

.contact-info-row {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
  margin-top: 2rem;
  align-items: center;
}

.contact-info-row .contact-item:last-child {
  margin-left: -24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-value {
  font-size: 1.3rem;
  color: var(--text-dark);
  font-weight: 600;
}

.qr-code-sm {
  width: 56px;
  height: 56px;
  border-radius: 8px;
}

.qr-code {
  width: 130px;
  height: 130px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.qr-hint {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ---------- Contact Form ---------- */
.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
}

.contact-form .form-control,
.contact-form .form-select {
  background: var(--gray-100);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: var(--transition);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  background: var(--white);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(125, 59, 154, 0.15);
}

.contact-form textarea.form-control {
  resize: none;
}

.contact-form .btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition);
}

.contact-form .btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(125, 59, 154, 0.3);
}

/* ---------- Footer ---------- */
.footer {
  background: #7D3B9A;
  color: #fff;
  padding: 24px 0;
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.footer-text {
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.footer p.footer-text {
  color: #fff;
  margin: 0;
}

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

.icp-link {
  text-decoration: none;
  transition: var(--transition);
}

.icp-link:hover {
  opacity: 0.8;
}

/* ---------- Responsive ---------- */

/* 1366px — common laptop */
@media (max-width: 1366px) {
  .hero-title { font-size: 3.8rem; }
  #products .section-desc { font-size: 1.15rem; }
  .contact-info-row { gap: 40px; }
}

/* 1200px — small laptop */
@media (max-width: 1200px) {
  .hero-title { font-size: 3.2rem; }
  .brand-logo { width: 240px; }
  .adv-circles-row { gap: 16px; }
  .advantage-card { width: 200px; height: 200px; padding: 24px 18px; }
  .advantage-card h3 { font-size: 0.95rem; }
  .advantage-card p { font-size: 0.75rem; }
  .contact-info-row { gap: 32px; }
}

/* 992px — tablet */
@media (max-width: 991.98px) {
  #cases { padding-top: 0 !important; }
  #stats { padding-top: 20px !important; padding-bottom: 20px !important; }
  .hero-title { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .section-padding { padding: 60px 0; }

  #mainNavbar {
    background: rgba(11, 29, 58, 0.3);
    backdrop-filter: blur(10px) saturate(160%);
    -webkit-backdrop-filter: blur(10px) saturate(160%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  #mainNavbar .nav-link { padding: 10px 18px !important; border-radius: 0; }

  .brand-logo { width: 200px; }
  .about-text { font-size: 1.1rem; }
  .case-slide { width: 85%; }
  .case-slide-img { max-height: 300px; }
  .contact-info-row { gap: 24px; }
  .contact-value { font-size: 1.1rem; }
  .advantages-section { height: auto; padding: 60px 0; }
  .adv-circles-row { gap: 12px; }
  .advantage-card { width: 170px; height: 170px; padding: 20px 14px; }
  .advantage-card h3 { font-size: 0.85rem; margin-bottom: 6px; }
  .advantage-card p { font-size: 0.7rem; line-height: 1.3; }
  .adv-icon { width: 36px; height: 36px; margin-bottom: 8px; font-size: 1.3rem; }
  .cv-pill { font-size: 1.1rem; padding: 10px 20px; }
  .stat-circles-row { flex-wrap: wrap; }
  .stat-circles { gap: 40px; }
  #cases .section-label { font-size: 22px; text-align: center; }
  #cases .section-title { font-size: 0.7rem; text-align: center; }

  .case-carousel-btn { display: none; }
  #casesCarousel .carousel-inner { min-height: 700px; }
}

/* 768px — mobile */
@media (max-width: 767.98px) {
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: 0.9rem; }
  .section-title { font-size: 1.5rem; }
  .section-padding { padding: 50px 0px; }

  .brand-logo { width: 160px; }
  .hero-cta .btn { padding: 8px 20px; font-size: 0.85rem; }
  .about-text { font-size: 1rem; }
  .about-image-full { max-height: 250px; }
  .about-image-bar { padding: 20px 0 12px; }
  #cases .section-label { font-size: 22px; text-align: center; }
  #cases .section-title { font-size: 0.7rem; text-align: center; }

  .case-slide { width: 90%; }
  .case-slide-img { max-height: 240px; }
  .case-slide-title { font-size: 1.1rem; }
  .highlight-item { font-size: 0.85rem; }
  .case-desc { font-size: 0.85rem; }
  #casesCarousel .carousel-inner { min-height: 650px; }

  .market-title { text-align: left; margin-bottom: 0 !important; }
  .market-subtitle { text-align: left; }
  .market-cards-scroll { flex-wrap: wrap; justify-content: center; gap: 12px; overflow-x: visible; }
  .market-card { flex: 0 0 calc(50% - 6px); min-width: 0; height: auto; border-radius: 4px; }
  .market-card:first-child,
  .market-card:last-child { border-radius: 4px; }
  .market-card:hover, .market-card.active { flex: 0 0 calc(50% - 6px); }
  .market-card-bg { position: relative; height: 120px; order: 1; border-radius: 4px; }
  .market-card-overlay { display: none; }
  .market-card-content { position: relative; padding: 10px 8px; order: 0; inset: auto; display: block; }
  .market-card-title { font-size: 0.9rem; color: #000; text-shadow: none; }

  .growth-section { overflow-x: auto; scrollbar-width: none; }
  .growth-section::-webkit-scrollbar { display: none; }
  .growth-bg-img { width: auto; min-width: 200%; height: 200px; }

  .stat-circles { gap: 24px; }
  .stat-value { font-size: 1.3rem; }
  .stat-value span { font-size: 0.7rem; }
  .stat-label { font-size: 0.75rem; }
  .stat-icon { font-size: 1.1rem; }
  .stat-group-title { font-size: 18px; }
  .market-title { font-size: 18px; margin-bottom: 0 !important; }

  .advantages-section { height: auto; padding: 50px 0; }
  .adv-circles-row { gap: 10px; }
  .advantage-card { width: 140px; height: 140px; padding: 16px 10px; }
  .advantage-card h3 { font-size: 0.75rem; margin-bottom: 4px; }
  .advantage-card p { font-size: 0.65rem; line-height: 1.2; }
  .adv-icon { width: 30px; height: 30px; margin-bottom: 6px; font-size: 1.1rem; }
  .cv-pill { font-size: 1rem; padding: 8px 16px; text-align: center; white-space: normal; }
  .core-values-highlight { margin-top: 24px; }

  .contact-info-row { flex-direction: column; gap: 16px; align-items: flex-start; }
  .contact-value { font-size: 1rem; }
  .contact-banner { width: calc(100% - 40px); }
  .contact-info-row .contact-item:last-child { margin-left: 0; align-self: center; }
  .qr-code-sm { width: 120px; height: 120px; display: block; margin: 0 auto; }

  .footer-row { flex-direction: column; gap: 8px; text-align: center; }
  .footer-divider { display: none; }

  #products .col-lg-3 { width: 50%; flex: 0 0 50%; }
  .product-card { padding: 28px 16px; }
  .product-icon { width: 48px; height: 48px; margin-bottom: 12px; }
  .product-card h3 { font-size: 0.95rem; }
  .product-bottom-img { height: 200px; }

  .about-image-wrap { padding: 0 1rem; }

  .growth-timeline { flex-direction: column; }
  .growth-step { flex-direction: column; }
  .growth-arrow { transform: rotate(90deg); margin: 4px 0; }
}

/* 576px — landscape phone */
@media (max-width: 576px) {
  #mainNavbar .container-fluid { flex-wrap: nowrap; padding-left: 8px !important; padding-right: 8px !important; }
  .brand-logo { width: 200px; }
  #mainNavbar .navbar-toggler { padding: 4px 8px; }
}

/* 480px — small phone / WeChat browser */
@media (max-width: 480px) {
  .hero-title { font-size: 1.5rem; }
  .hero-subtitle { font-size: 0.8rem; }
  .hero-cta .btn { padding: 8px 16px; font-size: 0.8rem; }
  #mainNavbar .container-fluid { padding-left: 6px !important; padding-right: 6px !important; }
  .brand-logo { width: 180px; }
  #mainNavbar .navbar-toggler { padding: 4px 6px; }

  .case-slide { width: 95%; }
  .case-slide-img { max-height: 200px; }
  .case-slide-title { font-size: 1rem; }
  .highlight-item { font-size: 0.8rem; }
  .case-desc { font-size: 0.8rem; }
  #casesCarousel .carousel-inner { min-height: 580px; }
  .case-carousel-btn { display: none; }

  .market-cards-scroll { flex-wrap: wrap; justify-content: center; gap: 8px; overflow-x: visible; }
  .market-card { flex: 0 0 calc(50% - 4px); min-width: 0; height: auto; border-radius: 4px; }
  .market-card:first-child,
  .market-card:last-child { border-radius: 4px; }
  .market-card:hover, .market-card.active { flex: 0 0 calc(50% - 4px); }
  .market-card-bg { position: relative; height: 100px; order: 1; border-radius: 4px; }
  .market-card-overlay { display: none; }
  .market-card-content { position: relative; padding: 8px 6px; order: 0; inset: auto; display: block; }
  .market-card-title { font-size: 0.85rem; color: #000; text-shadow: none; }

  .stat-circles { gap: 16px; }
  .stat-value { font-size: 1.1rem; }
  .stat-label { font-size: 0.7rem; }
  .stat-card { width: 8ch; }

  .advantage-card { width: 120px; height: 120px; padding: 12px 8px; }
  .advantage-card h3 { font-size: 0.7rem; }
  .advantage-card p { font-size: 0.6rem; }
  .adv-icon { width: 24px; height: 24px; margin-bottom: 4px; font-size: 1rem; }

  .cv-pill { font-size: 0.9rem; padding: 6px 14px; text-align: center; white-space: normal; }

  .contact-banner { width: calc(100% - 24px); }
  .footer-text { font-size: 0.85rem; }

  #cases .section-label { font-size: 28px; text-align: center; }
  #cases .section-title { font-size: 0.8rem; text-align: center; }
}

/* 768px history */
@media (max-width: 767.98px) {
  .history-year { font-size: 2rem; }
  .history-item { padding-left: 36px; }
  .history-dot { left: 0px; top: 10px; width: 10px; height: 10px; }
  .history-content p { font-size: 0.95rem; }
}

/* WeChat browser fix */
@media screen and (-webkit-min-device-pixel-ratio: 2) {
  body { -webkit-font-smoothing: antialiased; }
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

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

/* ---------- Custom Toast ---------- */
.custom-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--white);
  color: var(--text-dark);
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 9999;
  transform: translateX(calc(100% + 30px));
  transition: transform 0.3s ease-out;
  border-left: 4px solid var(--accent);
}

.custom-toast.show {
  transform: translateX(0);
}