/* ========== 基础设置 ========== */
:root {
  --color-primary: #0b3e9a;
  --color-primary-light: #1f6fe0;
  --color-accent: #ff7a45;
  --color-bg: #f5f7fb;
  --color-dark: #111827;
  --color-text: #4b5563;
  --color-border: #e5e7eb;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.16);
  --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.10);
  --max-width: 1120px;
}

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

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background-color: #ffffff;
  color: var(--color-text);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.page-wrap {
  min-height: 100vh;
  background: radial-gradient(circle at top left, #e6eeff 0, #ffffff 40%, #ffffff 100%);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: rgba(59, 130, 246, 0.4);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.05);
  transform: translateY(-1px);
}

.section { padding: 72px 0; }
.section-title { 
  font-size: 28px; 
  font-weight: 700; 
  color: var(--color-dark); 
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.section-title.animate-in {
  animation: sectionTitleFadeIn 0.8s ease-out forwards;
}

@keyframes sectionTitleFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section:hover .section-title::after {
  width: 100%;
}

.section-kicker { 
  font-size: 13px; 
  font-weight: 600; 
  text-transform: uppercase; 
  color: var(--color-primary-light); 
  letter-spacing: 0.12em;
  display: inline-block;
  position: relative;
  padding-left: 20px;
}

.section-kicker::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
  animation: pulseLine 2s ease-in-out infinite;
}

@keyframes pulseLine {
  0%, 100% {
    opacity: 0.6;
    transform: translateY(-50%) scaleX(1);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scaleX(1.2);
  }
}

.section-desc { font-size: 15px; max-width: 560px; color: #6b7280; }

/* ========== Header ========== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border: none;
  transition: all 0.3s ease;
}

.site-header.scrolled {
  position: sticky;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(229, 231, 235, 0.3);
}

/* 其他页面（非首页）的头部样式 - 固定背景，更好的可见性 */
.site-header.internal-page-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 其他页面的导航链接 - 使用深色文字 */
.site-header.internal-page-header .nav-main a {
  color: rgba(0, 0, 0, 0.85);
  text-shadow: none;
  font-weight: 600;
}

.site-header.internal-page-header .nav-main a:hover {
  color: rgba(0, 0, 0, 1);
  text-shadow: none;
  transform: translateY(-1px);
}

.site-header.internal-page-header .nav-main a.active {
  color: rgba(0, 0, 0, 1);
  font-weight: 700;
  text-shadow: none;
}

/* 其他页面的按钮样式 */
.site-header.internal-page-header .btn-nav {
  background: rgba(74, 144, 226, 0.1);
  color: #4a90e2;
  border: 2px solid rgba(74, 144, 226, 0.3);
  text-shadow: none;
  box-shadow: 0 2px 8px rgba(74, 144, 226, 0.15);
}

.site-header.internal-page-header .btn-nav:hover {
  background: #4a90e2;
  color: white;
  border-color: #4a90e2;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
}

/* 其他页面导航链接的激活状态指示器 */
.site-header.internal-page-header .nav-main a.active::after {
  background: rgba(74, 144, 226, 0.6);
  box-shadow: 0 0 8px rgba(74, 144, 226, 0.3);
}

/* 其他页面头部过渡效果 */
.site-header.internal-page-header {
  transition: all 0.3s ease;
}

/* 确保其他页面的 logo 有适当的显示 */
.site-header.internal-page-header .logo-mark {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
  opacity: 1;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  height: 70px;
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
  }
}

/* 导航栏 */
.nav-main {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

@media (min-width: 769px) {
  .nav-main {
    gap: 8px;
  }
}

.nav-main a {
  position: relative;
  padding: 10px 18px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.site-header.scrolled .nav-main a {
  color: rgba(0, 0, 0, 0.85);
  text-shadow: none;
  font-weight: 600;
}

.nav-main a:hover {
  color: rgba(255, 255, 255, 1);
  text-shadow: 0 2px 12px rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.site-header.scrolled .nav-main a:hover {
  color: rgba(0, 0, 0, 1);
  text-shadow: none;
}

/* 激活状态 */
.nav-main a.active {
  color: rgba(255, 255, 255, 1);
  font-weight: 700;
  text-shadow: 0 2px 12px rgba(255, 255, 255, 0.6);
}

.site-header.scrolled .nav-main a.active {
  color: rgba(0, 0, 0, 1);
  font-weight: 700;
  text-shadow: none;
}

.nav-main a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.site-header.scrolled .nav-main a.active::after {
  background: rgba(11, 62, 154, 0.6);
  box-shadow: 0 0 8px rgba(11, 62, 154, 0.3);
}

.logo-wrap { 
  display: flex; 
  align-items: center; 
  z-index: 1;
  height: 100%;
  padding: 5px 0;
}

.logo-mark {
  width: 300px; 
  height: auto; 
  max-height: 80px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  background: transparent;
  filter: drop-shadow(0 3px 12px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s ease;
}

.logo-mark:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.4));
}

.logo-text-main,
.logo-text-sub {
  display: none;
}


.nav-cta { 
  display: flex; 
  align-items: center; 
  gap: 12px;
  z-index: 1;
}

.btn-nav {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.95);
  padding: 10px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(15px);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.site-header.scrolled .btn-nav {
  color: rgba(0, 0, 0, 0.85);
  background: rgba(11, 62, 154, 0.1);
  border: 2px solid rgba(11, 62, 154, 0.2);
  text-shadow: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-nav:hover {
  background: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  text-shadow: 0 2px 8px rgba(255, 255, 255, 0.4);
}

.site-header.scrolled .btn-nav:hover {
  background: rgba(11, 62, 154, 0.15);
  color: rgba(11, 62, 154, 1);
  border-color: rgba(11, 62, 154, 0.3);
  box-shadow: 0 4px 16px rgba(11, 62, 154, 0.2);
}

.nav-phone { 
  display: none;
}

.nav-toggle { 
  display: none; 
  width: 32px; 
  height: 32px; 
  border-radius: 999px; 
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  color: rgba(0, 0, 0, 0.8);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

/* Hero Background - Futuristic SaaS Style */
.hero-bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0D6EFD 0%, #4318FF 50%, #0D6EFD 100%);
  z-index: 1;
}

.hero-bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 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: 50px 50px;
  z-index: 2;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-bg-waves {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 40% 20%, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
  z-index: 2;
  animation: wavePulse 8s ease-in-out infinite;
}

@keyframes wavePulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero-bg-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  overflow: hidden;
}

.hero-bg-particles::before,
.hero-bg-particles::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  box-shadow: 
    100px 200px 0 rgba(255, 255, 255, 0.4),
    300px 100px 0 rgba(255, 255, 255, 0.5),
    500px 300px 0 rgba(255, 255, 255, 0.3),
    700px 150px 0 rgba(255, 255, 255, 0.4),
    900px 250px 0 rgba(255, 255, 255, 0.3),
    1100px 80px 0 rgba(255, 255, 255, 0.5),
    1300px 350px 0 rgba(255, 255, 255, 0.4),
    1500px 180px 0 rgba(255, 255, 255, 0.3);
  animation: particleFloat 15s ease-in-out infinite;
}

.hero-bg-particles::after {
  animation-delay: -7.5s;
  box-shadow: 
    200px 100px 0 rgba(255, 255, 255, 0.4),
    400px 300px 0 rgba(255, 255, 255, 0.3),
    600px 200px 0 rgba(255, 255, 255, 0.5),
    800px 350px 0 rgba(255, 255, 255, 0.4),
    1000px 120px 0 rgba(255, 255, 255, 0.3),
    1200px 280px 0 rgba(255, 255, 255, 0.5),
    1400px 150px 0 rgba(255, 255, 255, 0.4);
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0); opacity: 0.6; }
  50% { transform: translate(30px, -30px); opacity: 1; }
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
  z-index: 3;
}

.hero-inner {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.hero-content {
  color: #ffffff;
  position: relative;
  z-index: 11;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

/* Left: Website Mockups */
.hero-mockup-left {
  position: absolute;
  left: 2%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  gap: 20px;
  opacity: 0.85;
  pointer-events: none;
}

.desktop-mockup {
  width: 320px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.mockup-header {
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
}

.mockup-header::before {
  content: '';
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.mockup-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-hero {
  height: 120px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
  border-radius: 8px;
}

.mockup-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mockup-card {
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.mobile-mockup {
  width: 120px;
  height: 240px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.mockup-screen {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.mockup-screen::before {
  content: '';
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 6px;
}

.mockup-screen::after {
  content: '';
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
}

/* Center: Platform Icons */
.hero-platforms {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  width: 500px;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  pointer-events: none;
}

.platform-icon {
  position: absolute;
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 20px rgba(255, 255, 255, 0.1);
  animation: platformFloat 6s ease-in-out infinite;
  transition: all 0.3s ease;
}

.platform-icon:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.2);
}

.platform-icon svg {
  width: 48px;
  height: 48px;
}

.platform-google {
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.platform-meta {
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  animation-delay: -1.5s;
}

.platform-tiktok {
  top: 50%;
  right: 10%;
  transform: translateY(-50%);
  animation-delay: -3s;
}

.platform-linkedin {
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: -4.5s;
}

@keyframes platformFloat {
  0%, 100% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-10px) translateX(5px); }
  50% { transform: translateY(-5px) translateX(-5px); }
  75% { transform: translateY(-15px) translateX(3px); }
}

.platform-connections {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.4;
}

/* Right: CRM Dashboard */
.hero-dashboard {
  position: absolute;
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  opacity: 0.85;
  pointer-events: none;
}

.dashboard-panel {
  width: 360px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dashboard-header {
  height: 32px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
}

.dashboard-kpi {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.kpi-card {
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), transparent);
}

.dashboard-chart {
  height: 120px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.dashboard-chart::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
  clip-path: polygon(0 100%, 10% 80%, 20% 60%, 30% 70%, 40% 50%, 50% 40%, 60% 45%, 70% 30%, 80% 35%, 90% 25%, 100% 20%, 100% 100%);
}

.dashboard-table {
  height: 100px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.dashboard-table::before,
.dashboard-table::after {
  content: '';
  height: 12px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.dashboard-table::after {
  width: 70%;
}

.hero-kicker {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-size: 56px;
  line-height: 1.1;
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero-title:hover {
  transform: translateY(-2px);
  transition: all 0.3s ease;
}

@keyframes titleFadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  60% {
    opacity: 0.8;
    transform: translateY(-2px) scale(1.01);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero-highlight {
  background: linear-gradient(135deg, #ffffff, #e0e7ff, #ffffff);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 3s ease infinite;
  position: relative;
  display: inline-block;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-light), #60a5fa, var(--color-primary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  filter: blur(12px);
  opacity: 0.5;
  z-index: -1;
  animation: gradientShift 4s ease infinite;
  transform: translateZ(0);
}

.hero-highlight::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -2;
  animation: pulseGlow 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(0.95);
  }
  50% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1.05);
  }
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 100%;
  margin: 0 0 32px;
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 40px;
  justify-content: flex-start;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  transition: all 0.3s ease;
}

.hero-badge:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.badge-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0 0 60px;
  justify-content: flex-start;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.btn-hero svg {
  transition: transform 0.3s ease;
}

.btn-hero:hover svg {
  transform: translateX(4px);
}

.btn-primary.btn-hero {
  background: #ffffff;
  color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary.btn-hero:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.btn-outline.btn-hero {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-outline.btn-hero:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  justify-content: flex-start;
  margin: 0;
  max-width: 100%;
}

.hero-stat {
  text-align: left;
}

.stat-value {
  font-size: 36px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* Right: Platform Icons Showcase */
.hero-platforms-showcase {
  position: relative;
  z-index: 11;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 500px;
}

.platform-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 32px 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: platformPulse 3s ease-in-out infinite;
}

.platform-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.platform-item:hover::before {
  left: 100%;
}

.platform-item:nth-child(1) {
  animation-delay: 0s;
}

.platform-item:nth-child(2) {
  animation-delay: 0.6s;
}

.platform-item:nth-child(3) {
  animation-delay: 1.2s;
}

.platform-item:nth-child(4) {
  animation-delay: 1.8s;
}

.platform-item:nth-child(5) {
  animation-delay: 2.4s;
  grid-column: 1 / -1;
}

@keyframes platformPulse {
  0%, 100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  }
  50% {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 30px rgba(255, 255, 255, 0.1);
  }
}

.platform-item:hover {
  transform: translateY(-12px) scale(1.05);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(255, 255, 255, 0.2);
}

.platform-icon-wrapper {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  position: relative;
}

.platform-item:hover .platform-icon-wrapper {
  transform: rotate(5deg) scale(1.1);
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.platform-icon-wrapper svg {
  width: 48px;
  height: 48px;
  transition: transform 0.3s ease;
}

.platform-item:hover .platform-icon-wrapper svg {
  transform: scale(1.1);
}

.platform-name {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.platform-item:hover .platform-name {
  color: #ffffff;
}


.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  z-index: 4;
  animation: fadeInUp 1s ease-out 1.5s forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(16px);
  }
}

/* ========== Trust Bar 信任栏 ========== */
.trust-section {
  padding: 60px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border-top: 1px solid rgba(229, 231, 235, 0.5);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

.trust-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.trust-text {
  font-size: 16px;
  color: #4b5563;
  text-align: center;
  max-width: 800px;
  line-height: 1.6;
}

.trust-text strong {
  color: var(--color-primary);
  font-weight: 700;
}

.trust-title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
  margin: 0;
  line-height: 1.4;
  animation: bounceIn 1s ease-out;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: translateY(-30px) scale(0.8);
  }
  50% {
    opacity: 1;
    transform: translateY(10px) scale(1.05);
  }
  70% {
    transform: translateY(-5px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  width: 100%;
}

.trust-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(229, 231, 235, 0.8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  min-width: 120px;
}

.trust-logo:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: rgba(59, 130, 246, 0.3);
}

.trust-logo svg {
  width: 48px;
  height: 48px;
  transition: transform 0.3s ease;
}

.trust-logo:hover svg {
  transform: scale(1.1);
}

.trust-logo span {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  letter-spacing: 0.02em;
}

.trust-logo:hover span {
  color: var(--color-primary);
}

/* ========== Services 服务模块 ========== */
.services-section {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  background-color: #ffffff; /* 白色背景 */
  font-family: 'Inter', sans-serif;
}

.services-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.services-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/services-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15;
  filter: blur(2px);
}

.services-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(248, 250, 252, 0.98) 50%,
    rgba(255, 255, 255, 0.95) 100%
  );
  z-index: 1;
}

.services-section .container {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.services-section .section-header {
  position: relative;
  z-index: 2;
}

/* ========== 获客流程图 ========== */
.marketing-flow {
  margin: 48px 0 60px;
  position: relative;
  z-index: 2;
}

.flow-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.flow-stage {
  flex: 1;
  min-width: 240px;
  max-width: 300px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  border: 1px solid rgba(229, 231, 235, 0.8);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

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

.flow-stage:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.flow-stage:hover::before {
  transform: scaleX(1);
}

.flow-stage-1::before {
  background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.flow-stage-2::before {
  background: linear-gradient(90deg, #10b981, #059669);
}

.flow-stage-3::before {
  background: linear-gradient(90deg, #f97316, #ea580c);
}

.flow-stage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}

.flow-stage-1 .flow-stage-icon {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.flow-stage-2 .flow-stage-icon {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.flow-stage-3 .flow-stage-icon {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.3);
}

.flow-stage-icon svg {
  width: 32px;
  height: 32px;
}

.flow-stage:hover .flow-stage-icon {
  transform: scale(1.1) rotate(5deg);
}

.flow-stage-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.flow-stage-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 20px;
}

.flow-stage-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.flow-channel {
  font-size: 12px;
  padding: 6px 12px;
  background: rgba(229, 231, 235, 0.5);
  border-radius: 12px;
  color: #4b5563;
  font-weight: 500;
  transition: all 0.3s ease;
}

.flow-stage-1:hover .flow-channel {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.flow-stage-2:hover .flow-channel {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.flow-stage-3:hover .flow-channel {
  background: rgba(249, 115, 22, 0.1);
  color: #f97316;
}

.flow-arrow {
  width: 80px;
  height: 40px;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  animation: flowArrowPulse 2s ease-in-out infinite;
}

.flow-arrow svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.flow-arrow::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #10b981);
  transform: translateY(-50%);
  animation: flowLine 3s ease-in-out infinite;
}

@keyframes flowArrowPulse {
  0%, 100% {
    opacity: 0.6;
    transform: translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateX(5px);
  }
}

@keyframes flowLine {
  0% {
    width: 0;
    opacity: 0;
  }
  50% {
    width: 100%;
    opacity: 0.6;
  }
  100% {
    width: 100%;
    opacity: 0;
  }
}

.flow-footer {
  text-align: center;
  margin-top: 32px;
  font-size: 16px;
  color: #6b7280;
  font-weight: 500;
}

.services-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  position: relative;
  z-index: 2;
}

.service-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

/* 为每个卡片添加不同的高级渐变背景 */
.service-card:nth-child(1) {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-color: rgba(99, 102, 241, 0.2);
}

.service-card:nth-child(2) {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(37, 99, 235, 0.05) 100%);
  border-color: rgba(59, 130, 246, 0.2);
}

.service-card:nth-child(3) {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.05) 100%);
  border-color: rgba(16, 185, 129, 0.2);
}

.service-card:nth-child(4) {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08) 0%, rgba(234, 88, 12, 0.05) 100%);
  border-color: rgba(249, 115, 22, 0.2);
}

.service-card:nth-child(5) {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(8, 145, 178, 0.05) 100%);
  border-color: rgba(6, 182, 212, 0.2);
}

.service-card:nth-child(6) {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.08) 0%, rgba(219, 39, 119, 0.05) 100%);
  border-color: rgba(236, 72, 153, 0.2);
}

.service-card.animate-in {
  animation: serviceCardFadeIn 0.6s ease-out forwards;
}

@keyframes serviceCardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* 为每个卡片添加不同的顶部装饰条 */
.service-card:nth-child(1)::before {
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
}

.service-card:nth-child(2)::before {
  background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.service-card:nth-child(3)::before {
  background: linear-gradient(90deg, #10b981, #059669);
}

.service-card:nth-child(4)::before {
  background: linear-gradient(90deg, #f97316, #ea580c);
}

.service-card:nth-child(5)::before {
  background: linear-gradient(90deg, #06b6d4, #0891b2);
}

.service-card:nth-child(6)::before {
  background: linear-gradient(90deg, #ec4899, #db2777);
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* 每个卡片悬停时的阴影和边框效果 */
.service-card:nth-child(1):hover {
  box-shadow: 0 16px 48px rgba(99, 102, 241, 0.2), 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: rgba(99, 102, 241, 0.4);
}

.service-card:nth-child(2):hover {
  box-shadow: 0 16px 48px rgba(59, 130, 246, 0.2), 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: rgba(59, 130, 246, 0.4);
}

.service-card:nth-child(3):hover {
  box-shadow: 0 16px 48px rgba(16, 185, 129, 0.2), 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: rgba(16, 185, 129, 0.4);
}

.service-card:nth-child(4):hover {
  box-shadow: 0 16px 48px rgba(249, 115, 22, 0.2), 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: rgba(249, 115, 22, 0.4);
}

.service-card:nth-child(5):hover {
  box-shadow: 0 16px 48px rgba(6, 182, 212, 0.2), 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: rgba(6, 182, 212, 0.4);
}

.service-card:nth-child(6):hover {
  box-shadow: 0 16px 48px rgba(236, 72, 153, 0.2), 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: rgba(236, 72, 153, 0.4);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(11, 62, 154, 0.25);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

/* 为每个卡片的图标添加匹配的背景色 */
.service-card:nth-child(1) .service-icon {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.service-card:nth-child(2) .service-icon {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.service-card:nth-child(3) .service-icon {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.service-card:nth-child(4) .service-icon {
  background: linear-gradient(135deg, #f97316, #ea580c);
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
}

.service-card:nth-child(5) .service-icon {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.service-card:nth-child(6) .service-icon {
  background: linear-gradient(135deg, #ec4899, #db2777);
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

/* 悬停时图标阴影增强 */
.service-card:nth-child(1):hover .service-icon {
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.service-card:nth-child(2):hover .service-icon {
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.service-card:nth-child(3):hover .service-icon {
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.service-card:nth-child(4):hover .service-icon {
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
}

.service-card:nth-child(5):hover .service-icon {
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
}

.service-card:nth-child(6):hover .service-icon {
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.4);
}

.service-card:hover .service-icon::before {
  width: 200%;
  height: 200%;
}

.service-title {
  font-size: 18px;
  color: var(--color-dark);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  transition: color 0.3s ease;
}

/* 每个卡片悬停时标题颜色匹配主题色 */
.service-card:nth-child(1):hover .service-title {
  color: #6366f1;
}

.service-card:nth-child(2):hover .service-title {
  color: #3b82f6;
}

.service-card:nth-child(3):hover .service-title {
  color: #10b981;
}

.service-card:nth-child(4):hover .service-title {
  color: #f97316;
}

.service-card:nth-child(5):hover .service-title {
  color: #06b6d4;
}

.service-card:nth-child(6):hover .service-title {
  color: #ec4899;
}

.service-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 20px;
  line-height: 1.6;
}

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

.service-tag {
  padding: 6px 14px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(11, 62, 154, 0.05));
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.service-card:hover .service-tag {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(11, 62, 154, 0.1));
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
}

/* ================================================= */
/* SERVICES - 高级 CSS 样式 */
/* ================================================= */

/* 头部排版优化 */
.services-header {
  text-align: center;
  margin-bottom: 50px;
}

.services-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333333;
}

.services-header .subtitle {
  font-size: 16px;
  color: #666666;
  max-width: 900px;
  margin: 15px auto 0 auto;
}

/* 1. 流程图样式优化 (FIXED: 强制保持在一行) */
.service-pipeline-flow {
  display: flex;
  justify-content: space-between;
  align-items: flex-start; /* 顶部对齐 */
  max-width: 1000px;
  margin: 0 auto 80px auto;
  flex-wrap: nowrap; /* 关键修复：防止换行 */
}

.pipeline-stage {
  flex-shrink: 0; /* 防止阶段内容被压缩 */
  flex-grow: 1;
  flex-basis: 30%; /* 确保三个阶段平分空间 */
  text-align: center;
}

.stage-number {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #4a90e2; /* 品牌色 */
  color: white;
  font-weight: 700;
  margin-bottom: 10px;
}

.pipeline-stage h3 {
  font-size: 18px;
  color: #333333;
  font-weight: 600;
  margin-bottom: 10px;
}

.flow-arrow {
  flex-shrink: 0; /* 关键修复：防止箭头被压缩 */
  font-size: 24px;
  color: #cccccc;
  margin: 0 10px; /* 增加箭头左右间距 */
  align-self: center; /* 垂直居中对齐 */
}

.channel-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 40px; /* 确保徽章行有最小高度 */
}

.channel-badges .badge {
  font-size: 12px;
  background-color: #e0f2f1;
  color: #00897b;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 500;
}

.channel-badges .badge.google {
  background-color: #e8f0fe;
  color: #1a73e8;
}

.channel-badges .badge.seo {
  background-color: #e6f4ea;
  color: #137333;
}

.channel-badges .badge.linkedin {
  background-color: #e3f2fd;
  color: #0a66c2;
}

.channel-badges .badge.meta {
  background-color: #e7f3ff;
  color: #1877f2;
}

.channel-badges .badge.crm {
  background-color: #f3e5f5;
  color: #7b1fa2;
}

.channel-badges .badge.email {
  background-color: #fff3e0;
  color: #e65100;
}

.channel-badges .badge.data {
  background-color: #e0f2f1;
  color: #00695c;
}

/* 2. 六大服务卡片 GRID 布局 */
.service-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 三列布局 */
  gap: 30px;
  margin-top: 40px;
}

.service-matrix-grid .service-card {
  background-color: #ffffff;
  border: 1px solid #eeeeee;
  border-radius: 12px;
  padding: 30px;
  padding-top: 50px; /* 关键修复：增加顶部内边距，为字母标识腾出空间 */
  padding-bottom: 40px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03); /* 极轻微阴影 */
  min-height: auto;
  display: flex;
  flex-direction: column;
  overflow: visible; /* 确保卡片本身不裁剪内容 */
  opacity: 1;
  transform: none;
  backdrop-filter: none;
}

.service-matrix-grid .service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: #4a90e2;
}

/* 卡片左上角字母标识 (FIXED: 调整定位到卡片内部，避免溢出裁剪) */
.card-identity {
  position: absolute;
  top: 15px; /* **关键修复：调整定位，使其位于卡片顶部内边距内** */
  left: 30px;
  width: 35px;
  height: 35px;
  background-color: #4a90e2;
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 10px rgba(74, 144, 226, 0.4);
  z-index: 10;
}

.card-identity::before {
  content: attr(data-letter); /* 使用 data-letter 属性作为内容 */
}

.service-card.module-a .card-identity {
  background-color: #4a90e2;
}

.service-card.module-g .card-identity {
  background-color: #34a853;
}

.service-card.module-s .card-identity {
  background-color: #4285f4;
}

.service-card.module-l .card-identity {
  background-color: #0a66c2;
}

.service-card.module-d .card-identity {
  background-color: #6366f1;
}

.service-card.module-p .card-identity {
  background-color: #8b5cf6;
}

.service-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: #333333;
  margin-top: 0; /* 标题无需额外顶部间距，已通过 padding-top 调整 */
  margin-bottom: 15px;
}

.service-card p {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1; /* 关键修复：让描述区域占据剩余空间 */
}

/* 标签行样式 */
.tag-row {
  margin-top: auto; /* 关键修复：将标签推到底部 */
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 4px;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.tag i {
  margin-right: 5px;
  font-size: 11px;
}

.tag-blue {
  background-color: #e0f0ff;
  color: #1a73e8;
}

.tag-red {
  background-color: #ffe8e8;
  color: #ff4d4f;
}

.tag-green {
  background-color: #e6f7e9;
  color: #27ae60;
}

/* ========== Why Us - Tab切换式布局 ========== */
.why-section {
  background: var(--color-bg);
  padding: 80px 0;
}

/* ================================================= */
/* WHY CHOOSE US - 高级 CSS 样式 */
/* (需要 Font Awesome 图标库支持，例如 <script src="https://kit.fontawesome.com/xxxxxx.js"></script>) */
/* ================================================= */

.why-choose-us-section {
  padding: 100px 0;
  background-color: #f8f9fa; /* 极浅灰色背景 */
  font-family: 'Inter', sans-serif; /* 使用现代无衬线字体 */
}

.why-choose-us-section .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部排版优化 */
.why-choose-us-section .section-header {
  text-align: center; /* 居中显示 */
  margin-bottom: 60px;
}

.eyebrow-text {
  font-size: 14px;
  color: #4a90e2; /* 品牌蓝色 */
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.why-choose-us-section .section-header h1 {
  font-size: 44px; /* 突出核心口号 */
  font-weight: 700;
  color: #333333;
  line-height: 1.2;
  margin: 0 0 20px 0;
}

.why-choose-us-section .section-header .subtitle {
  font-size: 16px;
  color: #666666;
  max-width: 800px;
  line-height: 1.7;
}

/* 优势卡片网格布局 */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 四列并列 */
  gap: 25px; /* 卡片间距 */
  margin-top: 40px;
}

/* 单个优势卡片基础样式 */
.advantage-card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05); /* 柔和阴影 */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%; /* 确保卡片等高 */
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-icon {
  font-size: 28px;
  color: #4a90e2; /* 品牌色图标 */
  margin-bottom: 20px;
}

.advantage-card .card-title {
  font-size: 20px;
  font-weight: 600;
  color: #333333;
  margin-top: 0;
  margin-bottom: 15px;
}

.advantage-card p {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* 列表样式优化 */
.industry-list, .insight-list, .method-list, .result-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.industry-list li, .insight-list li, .result-list li {
  font-size: 14px;
  color: #555555;
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.industry-list li::before, .insight-list li::before, .result-list li::before {
  content: "•";
  color: #4a90e2; /* 品牌色项目符号 */
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
  position: absolute;
  left: 0;
}

/* 方法列表，使用对勾图标 */
.method-list li {
  font-size: 14px;
  color: #555555;
  margin-bottom: 10px;
}

.method-list li i {
  color: #27ae60; /* 成功绿色 */
  margin-right: 8px;
}

/* 突出数据块样式 */
.highlight-stat {
  font-size: 16px;
  font-weight: 500;
  color: #27ae60; /* 绿色或强调色 */
  padding: 10px 15px;
  background-color: #e8f5e9; /* 极浅背景色 */
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 20px;
}

.highlight-stat span {
  font-size: 36px; /* 更大的数字 */
  font-weight: 700;
  display: block;
  color: #1a7f37;
  line-height: 1;
}

.highlight-stat.large-stat {
  width: 100%;
  text-align: center;
}

/* 引用块/呼吁块样式 */
.callout {
  font-size: 15px;
  font-style: italic;
  color: #4a90e2;
  border-left: 3px solid #4a90e2;
  padding-left: 15px;
  margin-top: 25px;
  background-color: #f0f7ff; /* 浅蓝色背景 */
  padding: 15px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 0;
}

/* ================================================= */
/* WHY CHOOSE US - 最终修复后的 CSS 样式 (包含 CTA 容器) */
/* ================================================= */

.wcu-header {
  text-align: center !important;
  margin-bottom: 50px;
}

/* 确保 WHY CHOOSE US 板块的标题居中 */
.why-choose-us-section .section-header.wcu-header {
  text-align: center;
}

.wcu-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333333;
}

.wcu-header .subtitle {
  font-size: 16px;
  color: #666666;
  max-width: 900px;
  margin: 15px auto 0 auto;
}

/* Tab Navigation Styling */
.wcu-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 50px;
}

.wcu-tab {
  padding: 10px 20px;
  border: 1px solid #d0d0d0;
  background-color: white;
  color: #555555;
  font-size: 16px;
  font-weight: 500;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s;
}

.wcu-tab.active {
  border-color: #4a90e2; /* 品牌色 */
  background-color: #4a90e2;
  color: white;
  box-shadow: 0 4px 10px rgba(74, 144, 226, 0.3);
}

/* Tab Content */
.wcu-content-container {
  max-width: 1100px;
  margin: 0 auto;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  padding: 40px;
}

.wcu-tab-content {
  display: flex;
  gap: 40px;
  align-items: center;
}

.wcu-tab-content .content-left {
  flex: 1;
  padding-right: 20px;
}

.wcu-tab-content .content-right {
  flex: 1;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wcu-tab-content .content-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.wcu-tab-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: #333333;
  margin-bottom: 20px;
}

.wcu-tab-content p {
  font-size: 16px;
  line-height: 1.8;
  color: #555555;
  margin-bottom: 15px;
}

.wcu-tab-content ul {
  list-style: none;
  padding-left: 0;
}

.wcu-tab-content ul li {
  font-size: 15px;
  line-height: 2;
  color: #333333;
  position: relative;
  padding-left: 20px;
}

.wcu-tab-content ul li::before {
  content: "•";
  color: #4a90e2; /* 品牌色圆点 */
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* Highlight Box at the bottom left */
.wcu-highlight-box {
  margin-top: 30px;
  padding: 15px 20px;
  background-color: #fffde7; 
  border-left: 5px solid #ffc107; 
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wcu-highlight-box i {
  color: #ffc107;
  font-size: 20px;
}

.wcu-highlight-box p {
  margin: 0;
  font-size: 15px;
  color: #333333;
}

/* Bottom Quote Styling */
.wcu-bottom-quote {
  margin-top: 50px;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 30px 40px;
  background-color: #34495e; 
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.wcu-bottom-quote p {
  font-size: 24px;
  font-weight: 500;
  color: #ecf0f1;
  line-height: 1.5;
  margin: 0;
}

/* WCU CTA 容器 */
.wcu-cta-wrapper {
  text-align: center;
  margin-top: 40px;
}

/* 媒体查询 */
@media (max-width: 992px) {
  .wcu-tab-content {
    flex-direction: column;
  }

  .wcu-tab-content .content-right {
    order: -1; 
    width: 100%;
    height: 250px;
  }
}

/* SERVICES CTA 按钮样式 */
.services-cta-wrapper {
  text-align: center;
  margin-top: 40px; /* 与上方的引用块拉开距离 */
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  padding: 15px 35px;
  background-color: #4a90e2; /* 品牌蓝色 */
  color: white;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.4);
}

.primary-cta:hover {
  background-color: #3a7bd2;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 144, 226, 0.5);
}

.primary-cta i {
  margin-right: 10px;
}

/* Tab 导航 */
.why-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.why-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: #ffffff;
  border: 2px solid rgba(229, 231, 235, 0.8);
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.why-tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  transition: left 0.3s ease;
}

.why-tab-btn:hover::before {
  left: 0;
}

.why-tab-btn:hover {
  border-color: rgba(99, 102, 241, 0.3);
  color: #6366f1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.why-tab-btn.active {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-color: #6366f1;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.why-tab-btn.active::before {
  display: none;
}

.tab-number {
  font-size: 13px;
  opacity: 0.7;
  font-weight: 700;
}

.why-tab-btn.active .tab-number {
  opacity: 1;
}

.tab-text {
  position: relative;
  z-index: 1;
}

/* Tab 内容面板 */
.why-tab-content {
  position: relative;
  min-height: 500px;
}

.why-tab-panel {
  display: none;
  animation: fadeInUp 0.5s ease-out;
}

.why-tab-panel.active {
  display: block;
}

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

.why-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: #ffffff;
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(229, 231, 235, 0.8);
}

.why-panel-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-panel-title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
  line-height: 1.3;
}

.why-panel-intro {
  font-size: 16px;
  color: #4b5563;
  line-height: 1.7;
  margin: 0;
}

.why-panel-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.why-panel-list li {
  font-size: 15px;
  color: #374151;
  line-height: 1.8;
  padding-left: 24px;
  position: relative;
}

.why-panel-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #6366f1;
  font-weight: bold;
  font-size: 20px;
}

.why-panel-list-check li::before {
  content: '✓';
  color: #10b981;
  font-size: 16px;
  font-weight: 700;
}

.why-panel-list-metrics li {
  font-size: 16px;
  font-weight: 500;
  color: #1f2937;
}

.why-panel-list-metrics li strong {
  color: #6366f1;
  font-weight: 700;
  font-size: 18px;
}

.why-panel-note {
  font-size: 15px;
  color: #6b7280;
  margin: 0;
  line-height: 1.6;
}

.why-panel-note strong {
  color: #6366f1;
  font-weight: 700;
  font-size: 18px;
}

.why-panel-highlight {
  font-size: 14px;
  color: #6366f1;
  line-height: 1.7;
  margin: 0;
  padding: 16px;
  background: rgba(99, 102, 241, 0.05);
  border-left: 4px solid #6366f1;
  border-radius: 8px;
  font-weight: 500;
}

.why-panel-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.why-image-placeholder {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

.why-image-placeholder svg {
  width: 100%;
  height: 100%;
  display: block;
}

.why-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.why-radial-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  height: 900px;
  margin: 60px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 确保容器中心对齐 */
.why-radial-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 2px;
  background: transparent;
  z-index: 0;
}

/* 中心圆形元素 */
.why-center-hub {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
  z-index: 10;
  transition: all 0.4s ease;
}

.why-center-hub:hover {
  transform: translate(-50%, -50%) scale(1.05);
  box-shadow: 0 24px 80px rgba(99, 102, 241, 0.4);
}

.hub-icon {
  width: 64px;
  height: 64px;
  color: #ffffff;
  margin-bottom: 12px;
}

.hub-icon svg {
  width: 100%;
  height: 100%;
}

.hub-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 4px 0;
  text-align: center;
}

.hub-subtitle {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  text-align: center;
}

/* 连接线 */
.why-connections {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.6;
}

.connection-line {
  stroke: rgba(99, 102, 241, 0.2);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 8, 4;
  animation: dashMove 3s linear infinite;
}

@keyframes dashMove {
  0% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 20;
  }
}

/* 围绕中心的卡片 - 全部使用圆形 */
.why-card {
  position: absolute;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border: 2px solid rgba(229, 231, 235, 0.6);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 5;
  opacity: 0;
  animation: cardFadeIn 0.6s ease-out forwards;
  text-align: center;
  gap: 10px;
}

/* 优势卡片 - 白色圆形 */
.why-card:not(.metric-card) {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 250, 251, 0.98) 100%);
  border-color: rgba(229, 231, 235, 0.8);
}

/* 数据卡片 - 浅紫色圆形 */
.why-card.metric-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-color: rgba(99, 102, 241, 0.25);
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.why-card-1 { animation-delay: 0.1s; }
.why-card-2 { animation-delay: 0.2s; }
.why-card-3 { animation-delay: 0.3s; }
.why-card-4 { animation-delay: 0.4s; }
.why-card-5 { animation-delay: 0.5s; }
.why-card-6 { animation-delay: 0.6s; }
.why-card-7 { animation-delay: 0.7s; }
.why-card-8 { animation-delay: 0.8s; }

.why-card:hover {
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.5);
  z-index: 6;
}

.why-card:not(.metric-card):hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(249, 250, 251, 1) 100%);
}

.why-card.metric-card:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.12) 100%);
  border-color: rgba(99, 102, 241, 0.5);
}

/* 为每个卡片添加特定的hover transform - 保持对称 */
.why-card-1:hover {
  transform: translateX(-50%) translateY(-10px) scale(1.1);
}

.why-card-2:hover,
.why-card-8:hover {
  transform: translate(0, -10px) scale(1.1);
}

.why-card-3:hover {
  transform: translateY(calc(-50% - 10px)) scale(1.1);
}

.why-card-4:hover,
.why-card-6:hover {
  transform: translate(0, 10px) scale(1.1);
}

.why-card-5:hover {
  transform: translateX(-50%) translateY(10px) scale(1.1);
}

.why-card-7:hover {
  transform: translateY(calc(-50% - 10px)) scale(1.1);
}

/* 8个卡片的位置 - 使用极坐标精确排列，左右均衡 */
/* 中心在容器中心，8个方向均匀分布，左右对称 */
.why-card-1 {
  /* 顶部 (0度) - 优势卡片 */
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
}

.why-card-2 {
  /* 右上 (45度) - 优势卡片 */
  top: 20%;
  right: 10%;
  transform: translate(0, 0);
}

.why-card-3 {
  /* 右侧 (90度) - 数据卡片 */
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
}

.why-card-4 {
  /* 右下 (135度) - 优势卡片 */
  bottom: 20%;
  right: 10%;
  transform: translate(0, 0);
}

.why-card-5 {
  /* 底部 (180度) - 数据卡片 */
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
}

.why-card-6 {
  /* 左下 (225度) - 优势卡片 - 与右下对称 */
  bottom: 20%;
  left: 10%;
  transform: translate(0, 0);
}

.why-card-7 {
  /* 左侧 (270度) - 数据卡片 */
  top: 50%;
  left: 5%;
  transform: translateY(-50%);
}

.why-card-8 {
  /* 左上 (315度) - 优势卡片 - 与右上对称 */
  top: 20%;
  left: 10%;
  transform: translate(0, 0);
}

.why-card-icon {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 6px;
  text-align: center;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  flex-shrink: 0;
}

.why-card-title {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
  line-height: 1.3;
  text-align: center;
  flex-shrink: 0;
}

.why-card-desc {
  font-size: 11px;
  color: #6b7280;
  line-height: 1.4;
  margin: 0;
  text-align: center;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 数据卡片样式 */
.why-card.metric-card {
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.why-card.metric-card .metric-value {
  font-size: 38px;
  font-weight: 800;
  color: #6366f1;
  margin: 0;
  line-height: 1;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.why-card.metric-card .metric-label {
  font-size: 11px;
  color: #6b7280;
  line-height: 1.3;
  margin: 0;
  font-weight: 500;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* ========== Case Studies 案例 ========== */
.cases-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.case-card {
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(229, 231, 235, 0.95);
  box-shadow: 0 8px 32px rgba(148, 163, 184, 0.2);
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(148, 163, 184, 0.35);
  border-color: rgba(59, 130, 246, 0.3);
}

.case-thumb {
  width: 100%;
  height: 280px;
  position: relative;
  overflow: hidden;
  background: #f3f4f6;
}

.case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
}

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

.case-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-meta {
  font-size: 12px;
  color: #9ca3af;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.case-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
  margin: 4px 0;
}

.case-desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
  flex: 1;
}

.case-result-list {
  margin-top: 8px;
  padding: 16px;
  background: rgba(22, 163, 74, 0.08);
  border-radius: 12px;
  border-left: 3px solid #16a34a;
  font-size: 13px;
  color: #15803d;
  line-height: 1.8;
  font-weight: 500;
}

.case-link {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
}

.case-link:hover {
  color: var(--color-primary-light);
  gap: 10px;
}

/* ================================================= */
/* 高级感案例展示 CSS 优化 (High-End Case Studies CSS)       */
/* ================================================= */

/* 1. 整体布局与留白优化 */
.case-studies-section {
  padding: 80px 0; /* 增加上下留白 */
  background-color: #f7f7f7; /* 使用极浅灰色背景增加区分度 */
}

.case-studies-container {
  max-width: 1200px; /* 限制最大宽度 */
  margin: 0 auto;
  padding: 0 20px;
}

.case-studies-container h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 16px;
  text-align: center;
}

.case-studies-container > p {
  font-size: 16px;
  color: #6b7280;
  line-height: 1.6;
  text-align: center;
  margin-bottom: 0;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 确保三列布局 */
  gap: 30px; /* 增加卡片之间的间距 */
  margin-top: 50px;
}

/* 2. 案例卡片设计与悬停效果 */
.case-study-card {
  background-color: #ffffff; /* 统一白色背景 */
  border-radius: 10px; /* 柔和圆角 */
  overflow: hidden; /* 裁剪图片超出部分 */
  padding-bottom: 20px; /* 确保底部内容有足够的空间 */
  
  /* Subtle Shadow for Premium Look - 微妙的阴影 */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 鼠标悬停效果：轻微抬升，增加交互感 */
.case-study-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* 3. 网站截图展示优化 */
.screenshot-area {
  width: 100%;
  height: auto;
  /* 增加一个细边框，模拟浏览器窗口的专业感 */
  border-bottom: 2px solid #e0e0e0;
}

.screenshot-area img {
  width: 100%;
  height: auto;
  display: block;
}

/* 4. 字体、颜色与层次优化 */
.content-wrapper {
  padding: 0 20px;
}

/* 案例核心标题 */
.card-title {
  font-size: 20px;
  font-weight: 600;
  color: #333333;
  margin: 20px 0 10px 0;
}

/* 描述文字 */
.description {
  font-size: 14px;
  color: #666666;
  line-height: 1.6;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #eeeeee; /* 分割线，将描述与结果分开 */
}

/* 5. 结果数据点徽章化 */
.result-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 15px;
}

.result-badges .data-point {
  display: flex;
  align-items: flex-start;
  background-color: #e6f7ee; /* 极浅的薄荷绿背景 */
  color: #0b724b; /* 深绿色强调色 */
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}

/* 查看详情链接样式 */
.view-details {
  display: inline-block;
  margin-top: 10px;
  color: #007bff; /* 使用品牌色或蓝色 */
  text-decoration: none;
  font-weight: 500;
}

.view-details:hover {
  text-decoration: underline;
}

/* ========== Workflow 流程 ========== */
.workflow {
  background: linear-gradient(135deg, #0b3e9a, #1f6fe0);
  color: #e5e7eb;
  border-radius: 32px;
  padding: 32px 26px;
  box-shadow: var(--shadow-soft);
}

.workflow-header {
  margin-bottom: 20px;
}

.workflow-header .section-title {
  color: #f9fafb;
}

.workflow-header .section-desc {
  color: #d1d5db;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.workflow-step {
  border-radius: 20px;
  padding: 16px 14px;
  background: rgba(15, 23, 42, 0.28);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 13px;
}

.workflow-step-badge {
  font-size: 11px;
  color: #bfdbfe;
  margin-bottom: 4px;
}

.workflow-step-title {
  font-size: 14px;
  font-weight: 600;
  color: #f9fafb;
  margin-bottom: 4px;
}

.workflow-step-desc {
  font-size: 12px;
  color: #e5e7eb;
}

/* ================================================= */
/* WORKFLOW - 高级垂直流程图 CSS 样式 */
/* ================================================= */

.workflow-section {
  padding: 100px 0;
  background-color: #f8f9fa; /* 浅灰色背景 */
  font-family: 'Inter', sans-serif;
}

.workflow-section .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.workflow-header {
  text-align: center;
  margin-bottom: 70px;
}

.workflow-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333333;
}

.workflow-header .subtitle {
  font-size: 16px;
  color: #666666;
  max-width: 800px;
  margin: 15px auto 0 auto;
}

/* 流程图主体 */
.timeline-wrapper {
  position: relative;
  max-width: 900px; /* 限制宽度，让流程图更集中 */
  margin: 0 auto;
  padding: 0;
}

/* 流程线主干 */
.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%; /* 放置在中央 */
  width: 3px;
  background: #e0e0e0; /* 流程线颜色 */
  transform: translateX(-50%);
}

/* 单个步骤项 */
.timeline-item {
  position: relative;
  margin-bottom: 40px;
  overflow: hidden;
}

/* 步骤指示器（圆点） */
.timeline-indicator {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: 60px; /* 增大指示器尺寸 */
  height: 60px;
  background-color: #4a90e2; /* 品牌色 */
  border-radius: 50%;
  box-shadow: 0 0 0 5px #f8f9fa; /* 环形光晕，与背景色一致 */
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 0.3s;
}

.step-number {
  font-size: 20px;
  font-weight: 700;
  color: white;
}

/* 内容卡片 */
.timeline-content {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  position: relative;
  width: 45%; /* 占据一半空间 */
  transition: transform 0.3s, box-shadow 0.3s;
}

/* 内容卡片悬停效果 */
.timeline-content:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.timeline-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: #333333;
  margin-top: 0;
  margin-bottom: 10px;
}

.timeline-content p {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
}

/* 内容卡片：左侧对齐（用于 Step 02, 04） */
.timeline-content.left {
  float: left;
  text-align: right;
}

/* 内容卡片：右侧对齐（用于 Step 01, 03, 05） */
.timeline-content.right {
  float: right;
  text-align: left;
}

/* 清除浮动，确保流程线正确 */
.timeline-item::after {
  content: '';
  display: block;
  clear: both;
}

/* 底部 CTA 块 */
.workflow-cta {
  text-align: center;
  margin-top: 60px;
  padding: 30px 40px;
  background-color: #e6f0ff; /* 浅蓝色背景 */
  border-radius: 8px;
}

  .workflow-cta p {
  font-size: 18px;
  font-weight: 500;
  color: #007bff;
  margin: 0;
}

/* WORKFLOW CTA 按钮包装器样式 */
.workflow-cta-wrapper {
  text-align: center;
  margin-top: 20px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .workflow-section {
    padding: 60px 0;
  }

  .workflow-header h2 {
    font-size: 28px;
  }

  .timeline-wrapper::before {
    left: 30px; /* 流程线移到左侧 */
  }

  .timeline-indicator {
    left: 30px;
    transform: none;
    width: 50px;
    height: 50px;
  }

  .step-number {
    font-size: 18px;
  }

  .timeline-content,
  .timeline-content.left,
  .timeline-content.right {
    width: auto;
    float: none;
    margin-left: 80px; /* 留出空间给指示器 */
    text-align: left;
  }

  .workflow-cta {
    margin-top: 40px;
    padding: 20px 30px;
  }

  .workflow-cta p {
    font-size: 16px;
  }

  .workflow-cta-wrapper {
    margin-top: 20px;
  }
}
}
/* ========== Testimonials 客户评价 ========== */
.testimonials-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.testimonial-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(229, 231, 235, 0.95);
  box-shadow: 0 10px 28px rgba(148, 163, 184, 0.25);
}

.testimonial-text {
  font-size: 13px;
  color: #4b5563;
  line-height: 1.55;
  margin-bottom: 12px;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.testimonial-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #e5e7eb;
}

.testimonial-name {
  font-size: 13px;
  font-weight: 600;
  color: #1f2937;
}

/* ================================================= */
/* CLIENT VOICES - 高级反馈卡片 CSS 样式 */
/* ================================================= */

.client-voices-section {
  padding: 100px 0;
  background-color: #ffffff;
  font-family: 'Inter', sans-serif;
}

.client-voices-section .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.cv-header {
  text-align: left;
  max-width: 900px;
  margin: 0 auto 50px auto;
}

.cv-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333333;
  margin-bottom: 20px;
}

.cv-header .description {
  font-size: 16px;
  color: #666666;
  line-height: 1.6;
}

/* 评论卡片容器 */
.client-voices-section .testimonials-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr; /* 单列布局 */
}

.client-voices-section .testimonial-card {
  background-color: #ffffff;
  padding: 40px;
  border-radius: 12px;
  border: 1px solid #f0f0f0;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08); /* 增加明显阴影 */
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.client-voices-section .testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* 引用符号（增强视觉效果） */
.quote-icon {
  position: absolute;
  top: 15px;
  left: 20px;
  font-size: 80px;
  color: #4a90e2; /* 品牌色 */
  opacity: 0.1; /* 半透明 */
  line-height: 1;
  z-index: 1;
  font-family: serif;
  pointer-events: none;
}

/* 客户引言内容 */
.quote-text {
  font-size: 16px;
  line-height: 1.7;
  color: #333333;
  font-style: italic; /* 使用斜体强调引言 */
  position: relative;
  z-index: 2; /* 确保文字在引号之上 */
  margin-bottom: 25px;
}

/* 分隔线 */
.separator {
  height: 2px;
  background: #e0e0e0;
  width: 50px;
  margin: 20px 0;
}

/* 客户身份信息区 */
.client-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.client-avatar-letter {
  width: 50px;
  height: 50px;
  background-color: #4a90e2; /* 品牌色 */
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}

.client-details {
  text-align: left;
}

.client-details .position {
  font-size: 14px;
  color: #555555;
  font-weight: 500;
  margin-top: 5px;
  margin-bottom: 0;
}

  .client-details .company {
  font-size: 16px;
  color: #333333;
  font-weight: 600;
  margin: 0;
}

/* CLIENT VOICES CTA 按钮包装器样式 */
.cv-cta-wrapper {
  text-align: center;
  margin-top: 50px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .client-voices-section {
    padding: 60px 0;
  }

  .cv-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .cv-header h2 {
    font-size: 28px;
  }

  .client-voices-section .testimonial-card {
    padding: 30px 20px;
  }

  .quote-icon {
    font-size: 60px;
    top: 10px;
    left: 15px;
  }

  .quote-text {
    font-size: 15px;
  }

  .client-avatar-letter {
    width: 45px;
    height: 45px;
    font-size: 20px;
  }

  .cv-cta-wrapper {
    margin-top: 40px;
  }
}

/* ========== CTA 引导模块 ========== */
.cta-section {
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  padding: 60px 0;
  margin-top: 80px;
}

.cta-box {
  background: #ffffff;
  border-radius: 24px;
  padding: 50px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-subtitle {
  font-size: 16px;
  color: #64748b;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.cta-wechat {
  position: relative;
}

.btn-wechat {
  position: relative;
}

.wechat-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.wechat-popup.active {
  opacity: 1;
  visibility: visible;
}

.wechat-popup-content {
  background: #ffffff;
  border-radius: 20px;
  padding: 30px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.wechat-popup.active .wechat-popup-content {
  transform: scale(1);
}

.wechat-popup-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 32px;
  color: #94a3b8;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s ease;
}

.wechat-popup-close:hover {
  color: #1e293b;
}

.wechat-popup-title {
  font-size: 18px;
  font-weight: 600;
  color: #1e293b;
  text-align: center;
  margin-bottom: 20px;
}

.wechat-qrcode {
  width: 240px;
  height: 240px;
  display: block;
  border-radius: 12px;
}

/* ========== Contact Form 联系表单 ========== */
.contact-form-section {
  background: #f8fafc;
  padding: 80px 0;
  margin-top: 0;
}

.contact-form-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.contact-form-header {
  text-align: center;
  margin-bottom: 40px;
}

.contact-form-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.contact-form-title {
  font-size: 32px;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
}

.btn-wechat-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: #07c160;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.btn-wechat-inline:hover {
  background: #06ad56;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(7, 193, 96, 0.3);
}

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

.contact-form-subtitle {
  font-size: 16px;
  color: #64748b;
}

.contact-form {
  background: #ffffff;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 8px;
}

.form-group .required {
  color: #ef4444;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  transition: all 0.3s ease;
  font-family: inherit;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 111, 224, 0.1);
}

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

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  margin-top: 10px;
}
/* ================================================= */
/* FOOTER - 紧凑三栏页脚 CSS 样式 */
/* ================================================= */

.main-footer {
  background-color: #1a233b; /* 深蓝色背景 */
  color: #f0f0f0;
  padding: 70px 0 20px 0;
  font-family: 'Inter', sans-serif;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 30px; /* 间距调整 */
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 40px 20px; /* 顶部内容区域的底部内边距 */
}

.footer-col {
  flex: 1; /* 确保三栏平分空间 */
  min-width: 250px;
}

/* 1. 简介/公司信息栏 */
.footer-col.about {
  flex-basis: 35%; /* 简介栏略宽 */
  min-width: 300px;
}

.footer-col h5 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 25px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col.about p {
  font-size: 14px;
  line-height: 1.8;
  color: #b0b8c9;
  margin-bottom: 25px;
}

/* 2. 链接列表栏 (服务/案例) */
.footer-col.links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col.links ul li {
  margin-bottom: 10px;
}

.footer-col.links ul li a,
.footer-col.contact .contact-item a {
  color: #b0b8c9;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
  display: inline-block;
}

.footer-col.links ul li a:hover,
.footer-col.contact .contact-item a:hover {
  color: #4a90e2; /* 悬停品牌色 */
}

/* 3. 联系信息栏 (紧凑格式) */
.footer-col.contact {
  flex-basis: 30%;
  min-width: 200px;
}

.contact-item {
  margin-bottom: 15px;
}

.contact-item span {
  display: block;
  font-size: 12px;
  color: #9aa3b5;
  margin-bottom: 5px;
}

.contact-item p {
  font-size: 14px;
  color: #f0f0f0;
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
}

/* 底部版权和备案信息 */
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 20px 0 20px;
  border-top: 1px solid #2e374c; 
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: #7f8699;
  margin: 5px 0;
}

/* 移动端适配 */
@media (max-width: 992px) {
  .footer-content {
    flex-wrap: wrap; /* 允许换行 */
    gap: 40px;
  }
  .footer-col.about {
    flex-basis: 100%;
  }
  .footer-col.links,
  .footer-col.contact {
    flex-basis: 45%; /* 在中等屏幕上分成两栏 */
    min-width: auto;
  }
}

@media (max-width: 576px) {
  .footer-content {
    flex-direction: column;
  }
  .footer-col.links,
  .footer-col.contact {
    flex-basis: 100%;
  }
}

/* ========== Responsive 响应式布局 ========== */

@media (max-width: 1024px) {
  .header-inner {
    height: 65px;
    padding: 0 24px;
  }

  .logo-mark {
    width: 240px;
    max-height: 75px;
    background: transparent;
  }

  .nav-main {
    gap: 4px;
  }
  
  .nav-main a {
    font-size: 14px;
    padding: 8px 14px;
    font-weight: 600;
  }

  .btn-nav {
    font-size: 14px;
    padding: 9px 20px;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    align-items: center;
    text-align: center;
  }

  .hero-badges {
    justify-content: center;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    gap: 30px;
  }

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

  .platforms-grid {
    max-width: 100%;
    grid-template-columns: repeat(2, 1fr);
  }

  .platform-item:nth-child(5) {
    grid-column: 1 / -1;
  }

  .hero-mockup-left,
  .hero-platforms,
  .hero-dashboard {
    opacity: 0.6;
    transform: scale(0.9);
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    padding: 0 20px;
  }

  .logo-mark {
    width: 200px;
    max-height: 70px;
    background: transparent;
  }

  .nav-main {
    display: none;
  }
  
  .nav-toggle {
    display: block;
    font-size: 24px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  }
  
  .btn-nav {
    font-size: 13px;
    padding: 8px 16px;
    font-weight: 600;
  }

  .hero {
    padding: 80px 0 40px;
  }

  .hero-inner {
    padding: 0 20px;
  }

  .hero-content {
    padding: 0;
    max-width: 100%;
    align-items: center;
    text-align: center;
  }

  .hero-title {
    font-size: 32px;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-badges {
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    justify-content: center;
  }

  .btn-hero {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

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

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

  .platform-item {
    padding: 24px 20px;
  }

  .platform-item:nth-child(5) {
    grid-column: 1;
  }

  .platform-icon-wrapper {
    width: 64px;
    height: 64px;
  }

  .platform-icon-wrapper svg {
    width: 40px;
    height: 40px;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .hero-mockup-left,
  .hero-platforms,
  .hero-dashboard {
    display: none;
  }

  .hero-platforms-showcase {
    display: none !important;
  }

  .hero-bg-grid {
    background-size: 30px 30px;
  }

  .hero-bg-waves {
    opacity: 0.5;
  }

  .trust-section {
    padding: 40px 0;
  }

  .trust-title {
    font-size: 22px;
    padding: 0 16px;
  }

  .trust-logos {
    gap: 20px;
  }

  .trust-logo {
    min-width: 100px;
    padding: 16px 20px;
  }

  .trust-logo svg {
    width: 40px;
    height: 40px;
  }

  .trust-logo span {
    font-size: 12px;
  }

  /* Tab切换布局响应式适配 */
  .why-tabs {
    gap: 8px;
  }

  .why-tab-btn {
    padding: 12px 20px;
    font-size: 14px;
  }

  .why-panel-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }

  .why-panel-title {
    font-size: 24px;
  }

  .why-panel-image {
    order: -1;
  }

  .why-image-placeholder {
    min-height: 300px;
  }

  /* 中心辐射式布局移动端适配 */
  .why-radial-container {
    height: auto;
    min-height: auto;
    padding: 40px 0;
    max-width: 100%;
  }

  .why-center-hub {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 0 auto 40px;
    width: 160px;
    height: 160px;
  }

  .hub-icon {
    width: 48px;
    height: 48px;
  }

  .hub-title {
    font-size: 16px;
  }

  .hub-subtitle {
    font-size: 11px;
  }

  .why-connections {
    display: none;
  }

  .why-card {
    position: relative !important;
    width: 100% !important;
    max-width: 300px;
    margin: 0 auto 20px;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    transform: none !important;
  }

  .why-card {
    width: 170px !important;
    height: 170px !important;
    margin: 0 auto 20px;
  }

  .why-card.metric-card {
    width: 170px !important;
    height: 170px !important;
  }

  .why-card-1,
  .why-card-2,
  .why-card-3,
  .why-card-4,
  .why-card-5,
  .why-card-6,
  .why-card-7,
  .why-card-8 {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    transform: none !important;
  }

  /* Tab切换布局移动端适配 */
  .why-tabs {
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
  }

  .why-tab-btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }

  .why-panel-grid {
    padding: 24px 20px;
    gap: 24px;
  }

  .why-panel-title {
    font-size: 20px;
  }

  .why-panel-intro {
    font-size: 14px;
  }

  .why-panel-list li {
    font-size: 14px;
    padding-left: 20px;
  }

  .why-panel-list-metrics li {
    font-size: 15px;
  }

  .why-panel-highlight {
    font-size: 13px;
    padding: 14px;
  }

  .why-image-placeholder {
    min-height: 250px;
  }

  .why-card-icon {
    font-size: 36px;
  }

  .why-card-title {
    font-size: 16px;
  }

  .why-card-desc {
    font-size: 12px;
  }

  .why-card.metric-card .metric-value {
    font-size: 32px;
  }

  .why-card.metric-card .metric-label {
    font-size: 10px;
  }

  .flow-container {
    flex-direction: column;
    gap: 24px;
  }

  .flow-arrow {
    width: 40px;
    height: 40px;
    transform: rotate(90deg);
  }

  .flow-stage {
    min-width: 100%;
    max-width: 100%;
    padding: 28px 20px;
  }

  .flow-stage-icon {
    width: 56px;
    height: 56px;
  }

  .flow-stage-icon svg {
    width: 28px;
    height: 28px;
  }

  .flow-stage-title {
    font-size: 18px;
  }

  .flow-stage-desc {
    font-size: 13px;
  }

  .flow-footer {
    font-size: 14px;
    margin-top: 24px;
  }

  .why-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why-left .section-title,
  .why-right .section-title {
    margin-bottom: 24px;
  }

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

  .why-card {
    padding: 20px 18px;
  }

  .why-card-icon {
    font-size: 28px;
  }

  .why-card-title {
    font-size: 15px;
  }

  .why-card-desc {
    font-size: 12px;
  }

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

  .metric-card {
    padding: 20px 18px;
    min-height: auto;
  }

  .metric-value {
    font-size: 24px;
  }

  .metric-label {
    font-size: 12px;
  }
}

@media (max-width: 900px) {
  .why-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .services-grid,
  .cases-grid,
  .case-studies-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .service-card {
    padding: 24px 20px;
  }

  .service-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .services-bg-image {
    opacity: 0.1;
  }

  .workflow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .why-choose-us-section .section-header h1 {
    font-size: 36px;
  }

  .service-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .service-pipeline-flow {
    flex-direction: column;
    gap: 30px;
  }

  .pipeline-stage {
    flex-basis: 100%;
    width: 100%;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  .advantage-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
  }

  .why-choose-us-section {
    padding: 60px 0;
  }

  .why-choose-us-section .section-header h1 {
    font-size: 32px;
  }

  .final-quote-block {
    margin-top: 50px;
    padding: 20px 30px;
  }

  .final-quote-block p {
    font-size: 18px;
  }

  .services-cta-wrapper {
    margin-top: 30px;
  }

  .primary-cta {
    padding: 12px 25px;
    font-size: 16px;
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .services-section {
    padding: 60px 0;
  }

  .services-header h2 {
    font-size: 28px;
  }

  .service-pipeline-flow {
    margin-bottom: 50px;
  }

  .service-matrix-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
  }

  .service-card {
    padding: 20px;
  }

  .card-identity {
    width: 30px;
    height: 30px;
    font-size: 16px;
    top: -12px;
    left: 20px;
  }
}

@media (max-width: 640px) {
  .services-grid,
  .cases-grid,
  .case-studies-grid,
  .testimonials-grid {
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 20px;
  }

  .advantage-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 15px;
  }

  .advantage-card {
    padding: 20px;
  }

  .why-choose-us-section .section-header h1 {
    font-size: 28px;
  }

  .card-icon {
    font-size: 24px;
  }

  .highlight-stat span {
    font-size: 28px;
  }

  .services-header h2 {
    font-size: 24px;
  }

  .pipeline-stage h3 {
    font-size: 16px;
  }

  .service-card h4 {
    font-size: 16px;
  }

  .service-card p {
    font-size: 13px;
    min-height: auto;
  }
}

  .services-grid {
    margin-top: 32px;
  }

  .service-card {
    padding: 20px 18px;
  }

  .service-title {
    font-size: 16px;
  }

  .service-desc {
    font-size: 13px;
  }

  .services-bg-image {
    opacity: 0.08;
  }

  .cta-section {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .workflow-steps {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  .cta-box {
    flex-direction: column;
    text-align: center;
    padding: 40px 30px;
  }

  .cta-title {
    font-size: 24px;
  }

  .cta-subtitle {
    font-size: 15px;
  }

  .cta-actions {
    justify-content: center;
    width: 100%;
    flex-direction: column;
  }

  .contact-form-section {
    padding: 60px 0;
  }

  .contact-form {
    padding: 30px 20px;
  }

  .contact-form-title {
    font-size: 26px;
  }

  .contact-form-title-wrapper {
    flex-direction: column;
    gap: 12px;
  }

  .btn-wechat-inline {
    width: 100%;
    justify-content: center;
    max-width: 200px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .wechat-qrcode {
    width: 200px;
    height: 200px;
  }

}

/* Mobile menu: ensure toggle is clickable */

.nav-toggle{

  position: relative;

  z-index: 9999;

  pointer-events: auto;

}



/* If header has overlay pseudo elements, don't block clicks */

.site-header::before,

.site-header::after{

  pointer-events: none;

}



@media (max-width: 768px){

  .nav-main{

    display: none;

    position: absolute;

    top: 100%;

    left: 0;

    right: 0;

    padding: 14px 16px;

    z-index: 5000;

  }



  .nav-main.is-open{

    display: block;

  }



  html.nav-open, html.nav-open body{

    overflow: hidden;

  }

}

@media (max-width: 768px){

  .site-header .nav-main{display:none;position:absolute;top:calc(100% + 10px);left:12px;right:12px;padding:12px;border-radius:14px;background:rgba(255,255,255,.98);box-shadow:0 14px 40px rgba(0,0,0,.14);z-index:9999;}

  .site-header .nav-main.is-open{display:block;}

  .site-header .nav-main a{display:block;padding:12px 10px;border-radius:10px;}

  .site-header .nav-main a:active{opacity:.7;}

  .nav-toggle{position:relative;z-index:10000;pointer-events:auto;}

}

/* Mobile nav visibility fix */
@media (max-width: 768px){
  .site-header{
    z-index: 10001;
    position: relative;
  }
  
  html.nav-open .site-header .nav-main{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    z-index: 10002;
    display: block !important;
    visibility: visible;
    opacity: 1;
  }
  
  html.nav-open .site-header .nav-main a{
    color: #111 !important;
    z-index: 1;
    position: relative;
  }
  
  .nav-main::before,
  .nav-main::after{
    z-index: 0;
  }
}
/* ==========================
   Mobile Nav – visible fix (nav-open + is-open)
   ========================== */
   @media (max-width: 768px){

    .site-header{
      position: relative;
      z-index: 100000;
    }
  
    /* Only when menu is open */
    html.nav-open .site-header .nav-main.is-open{
      display: block !important;
      position: fixed !important;
      top: 72px !important;      /* 需要可调：你的 header 高度 */
      left: 12px !important;
      right: 12px !important;
  
      background: rgba(255,255,255,.98) !important;
      border-radius: 18px !important;
      box-shadow: 0 18px 48px rgba(0,0,0,.18) !important;
  
      /* 关键：把“变淡/模糊/位移”全部干掉 */
      opacity: 1 !important;
      visibility: visible !important;
      transform: none !important;
      filter: none !important;
      mix-blend-mode: normal !important;
  
      z-index: 100001 !important;
      pointer-events: auto !important;
    }
  
    /* 关键：如果父级 opacity 被设置过，子元素也会一起淡，这里强制子元素不淡 */
    html.nav-open .site-header .nav-main.is-open *{
      opacity: 1 !important;
      filter: none !important;
      mix-blend-mode: normal !important;
    }
  
    /* 强制链接可见 */
    html.nav-open .site-header .nav-main.is-open a{
      display: block !important;
      padding: 12px 12px !important;
      border-radius: 12px !important;
      color: #111 !important;
      text-shadow: none !important;
      text-decoration: none !important;
    }

    /* Fix for internal-page-header pages (about, services, cases) */
    html.nav-open .site-header.internal-page-header .nav-main.is-open{
      display: block !important;
      position: fixed !important;
      top: 72px !important;
      left: 12px !important;
      right: 12px !important;
      background: rgba(255,255,255,.98) !important;
      border-radius: 18px !important;
      box-shadow: 0 18px 48px rgba(0,0,0,.18) !important;
      opacity: 1 !important;
      visibility: visible !important;
      transform: none !important;
      filter: none !important;
      mix-blend-mode: normal !important;
      z-index: 100001 !important;
      pointer-events: auto !important;
    }

    html.nav-open .site-header.internal-page-header .nav-main.is-open *{
      opacity: 1 !important;
      filter: none !important;
      mix-blend-mode: normal !important;
    }

    html.nav-open .site-header.internal-page-header .nav-main.is-open a{
      display: block !important;
      padding: 12px 12px !important;
      border-radius: 12px !important;
      color: #111 !important;
      text-shadow: none !important;
      text-decoration: none !important;
    }

    .site-header.internal-page-header{
      position: relative;
      z-index: 100000;
    }
  }

/* PC端修复：确保internal-page-header页面的导航菜单正常显示 */
@media (min-width: 769px) {
  .site-header.internal-page-header .nav-main {
    display: flex !important;
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    gap: 8px !important;
    white-space: nowrap !important;
  }

  .site-header.internal-page-header .nav-main a {
    display: inline-block !important;
    padding: 10px 18px !important;
    font-size: 16px !important;
    color: rgba(0, 0, 0, 0.85) !important;
    text-shadow: none !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    border-radius: 0 !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    filter: none !important;
    mix-blend-mode: normal !important;
  }

  .site-header.internal-page-header .nav-main a:hover {
    color: rgba(0, 0, 0, 1) !important;
    transform: translateY(-1px) !important;
  }

  .site-header.internal-page-header .nav-main a.active {
    color: rgba(0, 0, 0, 1) !important;
    font-weight: 700 !important;
  }

  .site-header.internal-page-header .nav-main a.active::after {
    content: '' !important;
    position: absolute !important;
    bottom: 4px !important;
    left: 18px !important;
    right: 18px !important;
    height: 2px !important;
    background: rgba(74, 144, 226, 0.6) !important;
    border-radius: 2px !important;
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.3) !important;
  }
}

/* ================================
   Internal Pages – Hero Align Fix (Desktop)
   ================================ */
@media (min-width: 769px){
  /* 仅内页 hero：统一外层留白与居中 */
  main .page-hero-banner{
    padding-block: 72px 56px;
  }

  /* 统一 container 宽度与居中（覆盖不同页面不一致的 container 规则） */
  main .page-hero-banner > .container{
    width: min(1200px, 92vw);
    margin-inline: auto;
  }

  /* 你的浅色大圆角背景大概率在 container 或其第一层子元素上：
     统一让"承载内容的那一层"居中并限制最大宽度 */
  main .page-hero-banner > .container,
  main .page-hero-banner > .container > *{
    margin-inline: auto;
  }

  /* 内容最大宽度 + 标题整体居中（避免某些页面继承 left 对齐造成"错位感"） */
  main .page-hero-banner > .container > *{
    max-width: 1100px;
    text-align: center;
  }

  /* 如果某些页面给 hero 背景层做了偏移（left/transform），这里兜底纠偏 */
  main .page-hero-banner::before,
  main .page-hero-banner::after{
    left: 50%;
    transform: translateX(-50%);
  }
}

/* ================================
   Internal Pages – Hero Banner Height Fix (Desktop only)
   ================================ */
@media (min-width: 769px){
  /* 只针对内页 Banner（你项目里是 .page-hero-banner） */
  .page-hero-banner{
    height: auto !important;
    min-height: 0 !important;   /* 干掉 100vh 之类 */
    padding-top: 72px !important;
    padding-bottom: 56px !important;
    margin-bottom: 0 !important;
  }

  /* 如果 inner / content 被写死高度，也兜底 */
  .page-hero-banner .page-hero-banner-inner,
  .page-hero-banner .page-hero-inner,
  .page-hero-banner .page-hero-content,
  .page-hero-banner .page-hero-wrap{
    height: auto !important;
    min-height: 0 !important;
  }
}

/* ================================
   Page Hero Banner – Full Width Background Fix
   ================================ */
.page-hero-banner {
  width: 100%;
  background-color: #f0f4f8;
  position: relative;
}

/* 确保内部 container 背景透明，让外层背景显示 */
.page-hero-banner > .container {
  background-color: transparent !important;
}

/* 保持内容居中和样式 */
.page-hero-banner .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}