/* ============================================
   海南灰鲸搜擎有限公司 官网全局样式 - 国际范大气设计
   主色调：深灰 #0a0a1a + 科技蓝 #0066ff
   设计理念：跨国企业 · 国际声音 · 大气高端
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #0066ff;
  --color-primary-dark: #0052cc;
  --color-primary-light: #3385ff;
  --color-primary-glow: rgba(0, 102, 255, 0.35);
  --color-dark: #0a0a1a;
  --color-dark-light: #12122a;
  --color-dark-lighter: #1e1e3a;
  --color-surface: #111128;
  --color-gray-900: #212529;
  --color-gray-700: #495057;
  --color-gray-500: #6c757d;
  --color-gray-300: #dee2e6;
  --color-gray-100: #f8f9fa;
  --color-white: #ffffff;
  --color-accent: #00d4aa;
  --color-accent-blue: #4d9fff;
  --font-base: 'Noto Sans TC', 'Microsoft JhengHei', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-card-hover: 0 16px 48px rgba(0, 102, 255, 0.18);
  --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.15);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-base);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

::selection {
  background: rgba(0, 102, 255, 0.2);
  color: var(--color-dark);
}

/* ---------- Typography ---------- */
.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
  margin-bottom: 12px;
  display: inline-block;
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 2px;
  background: var(--color-primary);
}

.section-label.text-center {
  padding-left: 0;
}

.section-label.text-center::before {
  display: none;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  position: relative;
  letter-spacing: -0.5px;
  line-height: 1.25;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin-top: 20px;
  border-radius: 2px;
}

.section-title.text-center::after {
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-gray-500);
  margin-bottom: 2.5rem;
  max-width: 680px;
  line-height: 1.8;
}

.section-subtitle.text-center {
  margin-left: auto;
  margin-right: auto;
}

.en-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}

/* ---------- Layout ---------- */
.section-padding {
  padding: 120px 0;
}

.section-bg-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.section-bg-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(0, 102, 255, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 50%, rgba(0, 212, 170, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

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

.section-bg-dark .section-title::after {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.section-bg-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.section-bg-gray {
  background-color: #f5f7fa;
}

/* ---------- Navbar ---------- */
.navbar-custom {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 16px 0;
  transition: var(--transition-smooth);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar-custom.scrolled {
  padding: 10px 0;
  background: rgba(10, 10, 26, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-custom .navbar-brand {
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 1px;
}

.navbar-custom .navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.navbar-custom .nav-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  padding: 10px 18px !important;
  transition: var(--transition-base);
  font-weight: 500;
  position: relative;
}

.navbar-custom .nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 1px;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: var(--color-white);
}

.navbar-custom .nav-link:hover::after,
.navbar-custom .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-custom .dropdown-menu {
  background: rgba(18, 18, 42, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 8px 0;
  min-width: 240px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-custom .nav-item.dropdown:hover > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-custom .dropdown-item {
  color: rgba(255, 255, 255, 0.75);
  padding: 12px 24px;
  font-size: 0.88rem;
  transition: var(--transition-base);
}

.navbar-custom .dropdown-item:hover {
  background: rgba(0, 102, 255, 0.15);
  color: var(--color-white);
}

.navbar-custom .dropdown-item .item-en {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.35);
  display: block;
  margin-top: 2px;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-switcher .lang-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-base);
  font-weight: 600;
  font-family: var(--font-en);
  letter-spacing: 0.5px;
}

.lang-switcher .lang-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.4);
}

.lang-switcher .lang-btn:hover:not(.active) {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-cta-nav {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white) !important;
  border-radius: 24px;
  padding: 10px 24px !important;
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition-base);
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.3);
}

.btn-cta-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 102, 255, 0.45);
}

.navbar-toggler {
  border: none;
  padding: 4px;
}

.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%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Hero Banner ---------- */
.hero-section {
  background: var(--color-dark);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 100px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 40%, rgba(0, 102, 255, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(0, 212, 170, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(0, 102, 255, 0.3);
  border-radius: 50%;
  animation: particleFloat 8s infinite ease-in-out;
}

.hero-particles .particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; animation-duration: 7s; }
.hero-particles .particle:nth-child(2) { top: 40%; left: 85%; animation-delay: 1s; animation-duration: 9s; }
.hero-particles .particle:nth-child(3) { top: 60%; left: 25%; animation-delay: 2s; animation-duration: 6s; }
.hero-particles .particle:nth-child(4) { top: 80%; left: 70%; animation-delay: 3s; animation-duration: 8s; }
.hero-particles .particle:nth-child(5) { top: 15%; left: 60%; animation-delay: 0.5s; animation-duration: 10s; }
.hero-particles .particle:nth-child(6) { top: 50%; left: 45%; animation-delay: 1.5s; animation-duration: 7s; width: 6px; height: 6px; background: rgba(0, 212, 170, 0.2); }
.hero-particles .particle:nth-child(7) { top: 75%; left: 15%; animation-delay: 2.5s; animation-duration: 9s; width: 3px; height: 3px; }
.hero-particles .particle:nth-child(8) { top: 30%; left: 90%; animation-delay: 4s; animation-duration: 6s; width: 5px; height: 5px; background: rgba(77, 159, 255, 0.2); }

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
  25% { transform: translateY(-30px) translateX(15px); opacity: 0.8; }
  50% { transform: translateY(-15px) translateX(-10px); opacity: 0.5; }
  75% { transform: translateY(-40px) translateX(20px); opacity: 0.7; }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 30px;
  padding: 8px 20px;
  font-size: 0.82rem;
  color: var(--color-primary-light);
  font-weight: 600;
  margin-bottom: 28px;
  font-family: var(--font-en);
  letter-spacing: 1px;
}

.hero-badge i {
  font-size: 0.7rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.9;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons .btn {
  padding: 14px 36px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  margin-right: 16px;
  margin-bottom: 12px;
}

.btn-primary-custom {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  border: none;
  transition: var(--transition-base);
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.35);
}

.btn-primary-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.5);
  color: var(--color-white);
}

.btn-outline-custom {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.btn-outline-custom:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
  transform: translateY(-3px);
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-visual .hero-graphic {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 0 40px rgba(0, 102, 255, 0.15));
}

.hero-clients {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-clients-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--font-en);
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-clients-row {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-client-logo {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 1px;
  transition: var(--transition-base);
}

.hero-client-logo:hover {
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px 48px;
  box-shadow: var(--shadow-card);
  margin-top: -50px;
  position: relative;
  z-index: 10;
  border: 1px solid rgba(0, 102, 255, 0.06);
}

.stat-item {
  text-align: center;
  padding: 8px 0;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--color-gray-300);
}

.stat-item .stat-number {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .stat-label {
  font-size: 0.88rem;
  color: var(--color-gray-500);
  margin-top: 4px;
  font-weight: 500;
}

/* ---------- Service Cards ---------- */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  height: 100%;
  border: 1px solid rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 102, 255, 0.15);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover::after {
  bottom: -30px;
  right: -30px;
}

.service-card .card-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 102, 255, 0.02));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.6rem;
  color: var(--color-primary);
  transition: var(--transition-smooth);
}

.service-card:hover .card-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

.service-card .card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.service-card .card-title-en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-gray-500);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.service-card .card-text {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-card .card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-base);
}

.service-card .card-link:hover {
  gap: 14px;
  color: var(--color-primary-dark);
}

/* ---------- Capability Modules ---------- */
.capability-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 36px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition-smooth);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.capability-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.capability-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(0, 102, 255, 0.2);
  transform: translateY(-4px);
}

.capability-item:hover::before {
  opacity: 1;
}

.capability-item .cap-number {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.3);
}

.capability-item .cap-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.capability-item .cap-text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
}

/* ---------- Strength Items ---------- */
.strength-item {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  position: relative;
}

.strength-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  transition: transform 0.4s ease;
}

.strength-item:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.strength-item:hover {
  background: rgba(0, 102, 255, 0.03);
}

.strength-item .strength-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 102, 255, 0.02));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  color: var(--color-primary);
  transition: var(--transition-smooth);
}

.strength-item:hover .strength-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

.strength-item .strength-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.strength-item .strength-text {
  font-size: 0.88rem;
  color: var(--color-gray-500);
  line-height: 1.8;
}

/* ---------- Process Steps ---------- */
.process-step {
  position: relative;
  padding: 40px 32px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-align: center;
  height: 100%;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition-smooth);
}

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

.process-step .step-number {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.3);
}

.process-step .step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.process-step .step-text {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  line-height: 1.8;
}

.process-connector {
  display: none;
}

@media (min-width: 992px) {
  .process-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    padding: 0;
    opacity: 0.4;
  }
}

/* ---------- Contact Form ---------- */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.contact-form .form-control {
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.92rem;
  transition: var(--transition-base);
  background: #fafbfc;
}

.contact-form .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
  background: var(--color-white);
}

.contact-form .form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.btn-submit {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  border: none;
  padding: 16px 48px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition-base);
  width: 100%;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.45);
  color: var(--color-white);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 60%);
  animation: ctaPulse 6s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 1; }
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
  position: relative;
}

.cta-banner p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  position: relative;
}

.cta-banner .btn {
  background: var(--color-white);
  color: var(--color-primary);
  padding: 16px 48px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition-base);
  position: relative;
  border: none;
}

.cta-banner .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.site-footer h5 {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.site-footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.site-footer .footer-link {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  display: block;
  padding: 6px 0;
  transition: var(--transition-base);
}

.site-footer .footer-link:hover {
  color: var(--color-white);
  padding-left: 6px;
}

.site-footer .footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
}

.site-footer .footer-contact-item i {
  color: var(--color-primary);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
  margin-top: 60px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-base);
  margin-right: 8px;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ---------- Detail Page ---------- */
.page-header {
  background: var(--color-dark);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(0, 212, 170, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.page-header .page-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
  position: relative;
}

.page-header .page-title-en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.page-header .breadcrumb {
  margin-top: 20px;
}

.page-header .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
}

.page-header .breadcrumb-item.active {
  color: var(--color-primary-light);
  font-size: 0.88rem;
}

.page-header .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.3);
}

.detail-section {
  padding: 80px 0;
}

.detail-section h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
}

.detail-section p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-gray-700);
}

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

.feature-list li {
  padding: 14px 0;
  padding-left: 32px;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
}

/* ---------- Detail Page Enhanced ---------- */
.detail-hero-stats {
  display: flex;
  gap: 40px;
  margin: 32px 0 0;
  flex-wrap: wrap;
}

.detail-hero-stat {
  text-align: center;
}

.detail-hero-stat .stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.detail-hero-stat .stat-label {
  font-size: 0.82rem;
  color: var(--color-gray-600);
  margin-top: 4px;
}

.detail-intro-box {
  background: linear-gradient(135deg, rgba(0,102,255,0.04), rgba(0,212,170,0.02));
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 32px;
  margin-bottom: 48px;
}

.detail-intro-box p {
  font-size: 1.02rem;
  line-height: 2;
  color: var(--color-gray-700);
  margin: 0;
}

.detail-section .section-divider {
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  margin: 8px 0 24px;
}

.detail-section .sub-heading {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 24px;
  line-height: 1.8;
}

.advantage-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition-smooth);
  height: 100%;
}

.advantage-card:hover {
  border-color: rgba(0, 102, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.08);
  transform: translateY(-4px);
}

.advantage-card .adv-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 102, 255, 0.02));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

.advantage-card:hover .adv-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.25);
}

.advantage-card .adv-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.advantage-card .adv-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-gray-600);
}

.process-timeline {
  position: relative;
  padding-left: 48px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 1px;
}

.process-step {
  position: relative;
  margin-bottom: 36px;
}

.process-step:last-child {
  margin-bottom: 0;
}

.process-step .step-dot {
  position: absolute;
  left: -39px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.15);
}

.process-step .step-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.process-step .step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.process-step .step-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-gray-600);
}

.data-highlight {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.data-item {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,102,255,0.04), rgba(0,212,170,0.02));
  border: 1px solid rgba(0, 102, 255, 0.08);
}

.data-item .data-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
}

.data-item .data-label {
  font-size: 0.82rem;
  color: var(--color-gray-600);
  margin-top: 4px;
}

@media (max-width: 767.98px) {
  .detail-hero-stats {
    gap: 20px;
  }
  .detail-hero-stat .stat-num {
    font-size: 1.6rem;
  }
  .data-highlight {
    grid-template-columns: 1fr;
  }
}

/* === Quick Delivery Cards (定制化开发快速交付) === */
.quick-delivery-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid rgba(0, 102, 255, 0.08);
  transition: var(--transition-smooth);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.quick-delivery-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-smooth);
}

.quick-delivery-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 102, 255, 0.14);
  border-color: rgba(0, 102, 255, 0.2);
}

.quick-delivery-card:hover::before {
  opacity: 1;
}

.quick-delivery-time {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.25);
}

.quick-delivery-icon {
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.quick-delivery-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.quick-delivery-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-gray-600);
}

@media (max-width: 767.98px) {
  .quick-delivery-card {
    padding: 28px 20px;
  }
  .quick-delivery-time {
    width: 52px;
    height: 52px;
    font-size: 1.2rem;
  }
}

/* ---------- Privacy Page ---------- */
.privacy-content h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 32px;
  margin-bottom: 14px;
}

.privacy-content p {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  line-height: 1.9;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.45);
}

/* ---------- Form Toast ---------- */
.form-toast {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 10000;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.form-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.form-toast-success {
  background: linear-gradient(135deg, #00d4aa, #00b894);
  color: #fff;
}
.form-toast-error {
  background: linear-gradient(135deg, #ff4757, #ff6b81);
  color: #fff;
}

/* ---------- Floating Contact ---------- */
.floating-contact {
  position: fixed;
  bottom: 32px;
  left: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.floating-contact a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px 0 0;
  height: 52px;
  border-radius: 26px;
  font-size: 1.1rem;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.floating-contact a i {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  border-radius: 26px;
}

.floating-contact .float-label {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 0;
  overflow: hidden;
}

.floating-contact a:hover .float-label {
  opacity: 1;
  transform: translateX(0);
  max-width: 120px;
  margin-right: 2px;
}

.floating-contact .btn-phone {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: var(--color-white);
}

.floating-contact .btn-phone i {
  background: rgba(255, 255, 255, 0.15);
}

.floating-contact .btn-phone::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  z-index: -1;
  opacity: 0;
  animation: floatPulse 2s ease-in-out infinite;
}

.floating-contact .btn-phone:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.45);
}

.floating-contact .btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--color-white);
}

.floating-contact .btn-whatsapp i {
  background: rgba(255, 255, 255, 0.15);
}

.floating-contact .btn-whatsapp::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  z-index: -1;
  opacity: 0;
  animation: floatPulse 2s ease-in-out infinite 0.5s;
}

.floating-contact .btn-whatsapp:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.45);
}

.floating-contact .btn-taobao {
  background: linear-gradient(135deg, #FF6A00, #EE0A24);
  color: var(--color-white);
}

.floating-contact .btn-taobao i {
  background: rgba(255, 255, 255, 0.15);
}

.floating-contact .btn-taobao::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  background: linear-gradient(135deg, #FF6A00, #EE0A24);
  z-index: -1;
  opacity: 0;
  animation: floatPulse 2s ease-in-out infinite 1s;
}

.floating-contact .btn-taobao:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(255, 106, 0, 0.45);
}

@keyframes floatPulse {
  0%, 100% {
    opacity: 0;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.15);
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1199.98px) {
  .hero-title {
    font-size: 3rem;
  }
  .section-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .section-padding {
    padding: 80px 0;
  }
  .section-title {
    font-size: 2rem;
  }
  .stats-bar {
    padding: 32px 24px;
  }
  .stat-item .stat-number {
    font-size: 2rem;
  }

  .navbar-custom .navbar-collapse {
    background: rgba(18, 18, 42, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .navbar-custom .dropdown-menu {
    background: rgba(255, 255, 255, 0.04);
    border: none;
    padding-left: 16px;
  }

  .navbar-custom .nav-link::after {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .hero-title {
    font-size: 1.9rem;
  }
  .hero-section {
    min-height: auto;
    padding: 120px 0 80px;
  }
  .section-padding {
    padding: 60px 0;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .contact-form {
    padding: 28px;
  }
  .page-header {
    padding: 130px 0 50px;
  }
  .page-header .page-title {
    font-size: 2rem;
  }
  .floating-contact {
    bottom: 20px;
    left: 16px;
  }
  .floating-contact a {
    height: 46px;
    border-radius: 23px;
    font-size: 1rem;
  }
  .floating-contact a i {
    width: 46px;
    height: 46px;
    border-radius: 23px;
    font-size: 1rem;
  }
  .floating-contact .float-label {
    font-size: 0.78rem;
  }
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }
  .cta-banner h2 {
    font-size: 1.6rem;
  }
  .stat-item:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 575.98px) {
  .hero-title {
    font-size: 1.6rem;
  }
  .hero-badge {
    font-size: 0.72rem;
    padding: 6px 14px;
  }
  .hero-buttons .btn {
    padding: 12px 24px;
    font-size: 0.88rem;
  }
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* ---------- Glass Effect Utility ---------- */
.glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-light {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* ---------- Gradient Text Utility ---------- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}