/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 主题色 - 深蓝商务风格 */
  --primary-dark: #1e3a8a;
  --primary-blue: #2563eb;
  --primary-light: #3b82f6;
  --accent: #60a5fa;
  
  /* 辅助色 */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* 文字颜色 */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #ffffff;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width 0.2s;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--gray-900);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--gray-800);
  transform: translateY(-1px);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: all 0.2s;
}

/* Hero 区域 */
.hero {
  position: relative;
  padding: 120px 24px 100px;
  background: linear-gradient(180deg, #1e40af 0%, #2563eb 30%, #3b82f6 60%, #60a5fa 100%);
  overflow: hidden;
}

/* 海浪动画 */
.hero-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 100%;
}

.wave-1 {
  animation: waveMove 15s linear infinite;
  z-index: 3;
}

.wave-2 {
  animation: waveMove 20s linear infinite reverse;
  z-index: 2;
  bottom: 15px;
  opacity: 0.7;
}

.wave-3 {
  animation: waveMove 25s linear infinite;
  z-index: 1;
  bottom: 30px;
  opacity: 0.5;
}

@keyframes waveMove {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* 顶部装饰光晕 */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

/* 漂浮的光点 */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 200px;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 160px 30px, rgba(255,255,255,0.4), transparent),
    radial-gradient(2px 2px at 200px 60px, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 250px 90px, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 300px 40px, rgba(255,255,255,0.2), transparent);
  background-size: 350px 120px;
  animation: twinkle 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
}

.hero-content {
  flex: 0 1 520px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 40px;
}

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

/* Hero 区域 App 展示 */
.hero-app-showcase {
  flex-shrink: 0;
}

.hero-phone-mockup {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 12px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  max-width: 280px;
}

.hero-app-image {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
}

.hero-decoration {
  display: none;
}

/* 下载弹窗 */
.modal-overlay {
  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: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 400px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s ease;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px 0;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--gray-200);
}

.modal-close svg {
  width: 18px;
  height: 18px;
  color: var(--gray-600);
}

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

.download-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all 0.2s;
}

.download-option:hover {
  background: var(--gray-100);
  border-color: var(--primary-light);
  transform: translateX(4px);
}

.download-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.download-icon.android {
  background: linear-gradient(135deg, #3DDC84, #2BBE6F);
  color: white;
}

.download-icon.ios {
  background: linear-gradient(135deg, #007AFF, #0056CC);
  color: white;
}

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

.download-info {
  flex: 1;
}

.download-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 2px;
}

.download-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.download-arrow {
  width: 20px;
  height: 20px;
  color: var(--gray-400);
  transition: all 0.2s;
}

.download-option:hover .download-arrow {
  color: var(--primary-blue);
  transform: translateX(4px);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--white);
  color: var(--gray-900);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-form {
  width: 100%;
  justify-content: center;
  background: var(--gray-900);
  color: var(--white);
}

.btn-form:hover {
  background: var(--gray-800);
}

/* 通用区块 */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--gray-500);
}

/* 适合对象 */
.audience {
  background: var(--gray-50);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.audience-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  text-align: center;
}

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

.audience-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.audience-icon svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.audience-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.audience-text {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* 功能介绍 */
.features {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--gray-50);
  padding: 32px;
  border-radius: var(--radius-lg);
  transition: all 0.3s;
  border: 1px solid var(--gray-100);
}

.feature-card:hover {
  background: var(--white);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
}

.feature-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-blue);
  opacity: 0.15;
  margin-bottom: -20px;
  line-height: 1;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* 案例展示 */
.cases {
  background: linear-gradient(180deg, #1e3a5f 0%, #0f2942 40%, #0a1f33 100%);
  overflow: hidden;
  position: relative;
}

.cases::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
              radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
              radial-gradient(1px 1px at 90px 40px, #ffffff, transparent),
              radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.6), transparent),
              radial-gradient(1px 1px at 160px 120px, #ffffff, transparent),
              radial-gradient(2px 2px at 200px 50px, rgba(255,255,255,0.7), transparent),
              radial-gradient(1px 1px at 250px 90px, #ffffff, transparent),
              radial-gradient(2px 2px at 300px 30px, rgba(255,255,255,0.5), transparent),
              radial-gradient(1px 1px at 350px 110px, #ffffff, transparent),
              radial-gradient(2px 2px at 400px 60px, rgba(255,255,255,0.8), transparent),
              radial-gradient(1px 1px at 450px 140px, #ffffff, transparent),
              radial-gradient(2px 2px at 500px 80px, rgba(255,255,255,0.6), transparent),
              radial-gradient(1px 1px at 550px 40px, #ffffff, transparent),
              radial-gradient(2px 2px at 600px 100px, rgba(255,255,255,0.7), transparent),
              radial-gradient(1px 1px at 650px 130px, #ffffff, transparent),
              radial-gradient(2px 2px at 700px 50px, rgba(255,255,255,0.5), transparent);
  background-repeat: repeat;
  background-size: 720px 150px;
  animation: twinkle 4s ease-in-out infinite;
  pointer-events: none;
}

.cases::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 31, 51, 0.8) 100%);
  pointer-events: none;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.cases .section-title {
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cases .section-desc {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.cases .section-title {
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.cases .section-desc {
  color: rgba(255, 255, 255, 0.8);
}

.cases .section-desc {
  color: rgba(255, 255, 255, 0.8);
}

.cases-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.cases-planet {
  position: relative;
  width: 500px;
  height: 400px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.planet-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.7);
  transform: translate(-50%, -50%);
  animation: rotate-slow 60s linear infinite;
}

.ring-1 {
  width: 320px;
  height: 320px;
  border-color: rgba(255, 255, 255, 0.5);
}

.ring-2 {
  width: 440px;
  height: 440px;
  animation-direction: reverse;
  animation-duration: 80s;
  border-color: rgba(255, 255, 255, 0.35);
}

.ring-3 {
  width: 560px;
  height: 560px;
  animation-duration: 100s;
  border-color: rgba(255, 255, 255, 0.2);
}

@keyframes rotate-slow {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.client-item {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: float 6s ease-in-out infinite;
}

.client-item:nth-child(odd) {
  animation-delay: 0s;
}

.client-item:nth-child(even) {
  animation-delay: 3s;
}

.client-item:nth-child(3n) {
  animation-delay: 1.5s;
}

/* 动态环绕旋转效果 */
@keyframes orbit {
  0% {
    transform: rotate(var(--angle)) translateX(var(--radius)) rotate(calc(-1 * var(--angle)));
  }
  100% {
    transform: rotate(calc(var(--angle) + 360deg)) translateX(var(--radius)) rotate(calc(-1 * var(--angle) - 360deg));
  }
}

.client-item {
  animation: orbit 20s linear infinite;
}

.client-item:nth-child(1) { animation-duration: 18s; }
.client-item:nth-child(2) { animation-duration: 22s; animation-direction: reverse; }
.client-item:nth-child(3) { animation-duration: 20s; }
.client-item:nth-child(4) { animation-duration: 24s; animation-direction: reverse; }
.client-item:nth-child(5) { animation-duration: 19s; }
.client-item:nth-child(6) { animation-duration: 21s; animation-direction: reverse; }
.client-item:nth-child(7) { animation-duration: 23s; }
.client-item:nth-child(8) { animation-duration: 25s; animation-direction: reverse; }
.client-item:nth-child(9) { animation-duration: 28s; animation-direction: reverse; }

.client-item:hover {
  animation-play-state: paused;
}

@keyframes float {
  0%, 100% {
    margin-top: 0;
  }
  50% {
    margin-top: -8px;
  }
}

/* 客户Logo样式 - 支持图片 */
.client-logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border-radius: var(--radius-md);
  filter: brightness(1) drop-shadow(0 0 10px rgba(255,255,255,0.3));
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.9);
  padding: 8px;
  box-sizing: border-box;
}

.client-logo:not(img) {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
}

.client-item:hover .client-logo {
  transform: scale(1.15);
  filter: brightness(1.1);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.3);
}

.client-item.more .client-logo {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border: none;
}

/* 联系我们 */
.contact {
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  padding-right: 40px;
}

.contact-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.contact-desc {
  font-size: 1.125rem;
  color: var(--gray-500);
  margin-bottom: 40px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

.contact-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

.contact-form {
  background: var(--gray-50);
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
}

.form-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 24px;
}

/* 联系方式详情列表 */
.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 24px;
}

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

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary-blue);
}

.contact-detail-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.contact-detail-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* 合作说明备注 */
.cooperation-note {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 20px;
  border-radius: var(--radius-lg);
  margin-top: 16px;
}

.cooperation-note p {
  font-size: 0.875rem;
  color: var(--white);
  line-height: 1.7;
  margin: 0;
}

/* 页脚 */
.footer {
  background: var(--gray-900);
  padding: 80px 0 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--gray-800);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.footer-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.footer-slogan {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.legal-link {
  font-size: 0.875rem;
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.2s;
}

.legal-link:hover {
  color: var(--white);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero-wrapper {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content {
    max-width: 100%;
    flex: none;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-app-showcase {
    margin-left: 0;
  }
  
  .hero-phone-mockup {
    max-width: 240px;
  }
  
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-planet {
    height: 400px;
    max-width: 500px;
  }
  
  .core-logo {
    width: 100px;
    height: 100px;
  }
  
  .ring-1 { width: 280px; height: 280px; }
  .ring-2 { width: 380px; height: 380px; }
  .ring-3 { width: 480px; height: 480px; }
  
  .client-logo {
    padding: 10px 16px;
    font-size: 0.8rem;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 48px;
  }
  
  .footer-links {
    flex-wrap: wrap;
    gap: 40px;
  }
}

/* 案例数据统计 */
.cases-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: 28px 32px;
  box-shadow: 0 8px 32px rgba(0, 60, 100, 0.25);
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 50, 100, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 1);
}

.stat-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 28px;
  height: 28px;
  color: white;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #1e40af;
  line-height: 1;
}

.stat-number span {
  font-size: 1.5rem;
}

.stat-label {
  font-size: 1rem;
  color: #1e3a5f;
  margin-top: 4px;
}

@media (max-width: 768px) {
  .cases-wrapper {
    flex-direction: column;
    gap: 40px;
  }
  
  .cases-planet {
    width: 100%;
    height: 350px;
  }
  
  .stat-card {
    padding: 20px 24px;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .nav-links,
  .nav-right {
    display: none;
  }
  
  .nav-mobile-toggle {
    display: flex;
  }
  
  .hero {
    padding: 100px 24px 80px;
  }
  
  .hero-wrapper {
    gap: 32px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-phone-mockup {
    max-width: 200px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .audience-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .case-app-preview {
    max-width: 280px;
  }
  
  .stat-number {
    font-size: 2.25rem;
  }
  
  .contact-form {
    padding: 24px;
  }
  
  .cases-planet {
    height: 350px;
    max-width: 350px;
  }
  
  .core-logo {
    width: 80px;
    height: 80px;
  }
  
  .core-glow {
    width: 130px;
    height: 130px;
  }
  
  .ring-1 { width: 220px; height: 220px; }
  .ring-2 { width: 300px; height: 300px; }
  .ring-3 { width: 380px; height: 380px; }
  
  .client-item {
    --radius: 110px !important;
  }
  
  .client-item.more {
    --radius: 170px !important;
  }
  
  .client-logo {
    padding: 8px 12px;
    font-size: 0.7rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}