/* 颜色变量 - 基于 logo 配色 */
:root {
  --primary-orange: #F57C00;
  --primary-orange-light: #FF9800;
  --primary-orange-dark: #E65100;
  --primary-blue: #1976D2;
  --primary-blue-light: #42A5F5;
  --primary-blue-dark: #0D47A1;
  --text-dark: #212121;
  --text-gray: #757575;
  --text-light: #9E9E9E;
  --bg-light: #FAFAFA;
  --bg-white: #FFFFFF;
  --border-color: #E0E0E0;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* 导航栏订单查询 - 滚动时放大 */
.navbar.scrolled .mini-query-box {
  padding: 8px 14px;
}

.navbar.scrolled .mini-query-box input {
  width: 180px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
}

.logo img {
  height: 60px;
  width: auto;
  transition: transform 0.3s ease;
}

.logo:hover img {
  transform: scale(1.05) rotate(5deg);
}

.logo-text {
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text span {
  font-family: Arial, sans-serif;
  font-size: 0.85em;
  margin-left: 6px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--primary-orange);
  background: rgba(245, 124, 0, 0.08);
}

.nav-menu a.active {
  color: var(--primary-orange);
  background: rgba(245, 124, 0, 0.12);
}

.nav-buttons {
  display: flex;
  gap: 12px;
}

/* 导航栏订单查询 */
.nav-order-query {
  display: flex;
  align-items: center;
}

.mini-query-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-light);
  padding: 6px 12px;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.mini-query-box:hover {
  border-color: var(--primary-orange);
  box-shadow: 0 4px 16px rgba(245, 124, 0, 0.12);
}

.mini-query-box input {
  border: none;
  outline: none;
  padding: 8px 10px;
  font-size: 13px;
  background: transparent;
  color: var(--text-dark);
  width: 150px;
}

.mini-query-box input::placeholder {
  color: var(--text-light);
}

.mini-query-box .btn {
  padding: 8px 16px;
  font-size: 13px;
  white-space: nowrap;
  margin-left: 2px;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::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, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-light));
  color: white;
  box-shadow: 0 4px 20px rgba(245, 124, 0, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(245, 124, 0, 0.45);
}

.btn-secondary {
  background: white;
  color: var(--text-dark);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-orange);
  color: var(--primary-orange);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-large {
  padding: 16px 40px;
  font-size: 17px;
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.5);
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* 首屏 Hero 区 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #FFF8F0 0%, #E8F4FD 50%, #FFF8F0 100%);
  padding-top: 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(245, 124, 0, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(25, 118, 210, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(245, 124, 0, 0.05) 0%, transparent 40%);
}

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

.hero-particles .particle {
  position: absolute;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.1;
  }
  50% {
    transform: translateY(-100px) rotate(180deg);
    opacity: 0.2;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 40px 20px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.order-query {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.query-box {
  display: flex;
  align-items: center;
  background: white;
  border-radius: 50px;
  padding: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  gap: 10px;
  max-width: 500px;
  width: 90%;
}

.query-box input {
  flex: 1;
  border: none;
  outline: none;
  padding: 14px 24px;
  font-size: 15px;
  background: transparent;
  color: var(--text-dark);
}

.query-box input::placeholder {
  color: var(--text-light);
}

.query-box .btn {
  padding: 12px 28px;
  font-size: 15px;
  white-space: nowrap;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 24px;
  line-height: 1.15;
  animation: slideInLeft 0.8s ease;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-gray);
  margin-bottom: 40px;
  line-height: 1.8;
  animation: slideInLeft 0.8s ease 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  animation: slideInLeft 0.8s ease 0.4s backwards;
}

.hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: white;
  border-radius: 30px;
  padding: 50px 40px;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
  animation: floatCard 6s ease-in-out infinite;
  max-width: 450px;
  text-align: center;
}

@keyframes floatCard {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.hero-card-icon {
  font-size: 72px;
  margin-bottom: 36px;
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
  position: relative;
  z-index: 3;
}

/* 方案二背景 */
.hero-card-bg-secondary {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(245, 124, 0, 0.2) 0%, transparent 60%);
  border-radius: 50%;
  z-index: 0;
  animation: pulseBg 2s ease-in-out infinite;
}

@keyframes pulseBg {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    opacity: 0.8;
  }
  50% {
    transform: translateX(-50%) scale(1.2);
    opacity: 1;
  }
}

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

.card-stats {
  display: flex;
  justify-content: space-around;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.stat {
  text-align: center;
}

.stat-icon {
  font-size: 32px;
  margin-bottom: 8px;
  display: block;
}

.stat-number {
  display: block;
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: var(--text-gray);
  margin-top: 6px;
}

.floating-element {
  position: absolute;
  font-size: 48px;
  animation: floatElement 8s ease-in-out infinite;
  z-index: 1;
}

.floating-element.e1 {
  top: 25%;
  left: -40px;
  animation-delay: 0s;
}

.floating-element.e2 {
  bottom: 10%;
  right: -40px;
  animation-delay: 2s;
}

.floating-element.e3 {
  top: 35%;
  right: -50px;
  animation-delay: 4s;
}

@keyframes floatElement {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-30px) rotate(10deg);
  }
  75% {
    transform: translateY(30px) rotate(-10deg);
  }
}

/* 通用板块样式 */
section {
  padding: 120px 0;
  position: relative;
}

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

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(245, 124, 0, 0.1), rgba(25, 118, 210, 0.1));
  color: var(--primary-orange);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(245, 124, 0, 0.2);
}

.section-header h2 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-dark), var(--primary-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 18px;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* 服务项目 */
.services {
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

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

.service-card {
  background: white;
  border-radius: 24px;
  padding: 48px 36px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

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

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

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.card-decoration {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(245, 124, 0, 0.1), transparent);
  border-radius: 50%;
}

.service-icon-wrapper {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(245, 124, 0, 0.08), rgba(25, 118, 210, 0.08));
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}

.service-card:hover .service-icon-wrapper {
  background: linear-gradient(135deg, rgba(245, 124, 0, 0.15), rgba(25, 118, 210, 0.15));
  transform: rotate(5deg) scale(1.05);
}

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

.service-card h3 {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--text-dark);
  font-weight: 700;
}

.service-card p {
  color: var(--text-gray);
  margin-bottom: 24px;
  font-size: 15px;
  line-height: 1.7;
}

.service-features {
  list-style: none;
  text-align: left;
  padding: 0;
}

.service-features li {
  padding: 10px 0;
  color: var(--text-gray);
  font-size: 14px;
  position: relative;
  padding-left: 30px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.service-features li:last-child {
  border-bottom: none;
}

.service-features li span {
  position: relative;
  z-index: 1;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  border-radius: 50%;
  transform: translateY(-50%);
}

.service-features li::after {
  content: '✓';
  position: absolute;
  left: 5px;
  top: 50%;
  color: white;
  font-size: 12px;
  font-weight: bold;
  transform: translateY(-50%);
}

.card-arrow {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.4s ease;
}

.service-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* 服务保障 */
.safety {
  background: linear-gradient(135deg, #E8F4FD 0%, #FFF8F0 100%);
}

.safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.safety-item {
  background: white;
  border-radius: 24px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.safety-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-orange), var(--primary-blue));
  transform: translateX(-50%);
  transition: width 0.4s ease;
}

.safety-item:hover::after {
  width: 80%;
}

.safety-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.safety-icon {
  font-size: 52px;
  margin-bottom: 20px;
  display: inline-block;
  transition: all 0.4s ease;
}

.safety-item:hover .safety-icon {
  transform: scale(1.2) rotate(10deg);
}

.safety-item h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: var(--text-dark);
  font-weight: 700;
}

.safety-item p {
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.7;
}

/* 服务流程 */
.process {
  background: var(--bg-white);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-orange), var(--primary-blue));
  opacity: 0.3;
}

.process-step {
  text-align: center;
  position: relative;
  padding: 20px;
}

.step-number {
  width: 70px;
  height: 70px;
  background: white;
  border: 3px solid var(--primary-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-orange);
  margin: 0 auto 28px;
  box-shadow: 0 4px 20px rgba(245, 124, 0, 0.2);
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
}

.process-step:hover .step-number {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-light));
  color: white;
  transform: scale(1.1) rotate(360deg);
  box-shadow: 0 8px 30px rgba(245, 124, 0, 0.4);
}

.process-step h3 {
  font-size: 22px;
  margin-bottom: 14px;
  color: var(--text-dark);
  font-weight: 700;
}

.process-step p {
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.7;
}

/* 用户评价 */
.testimonials {
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

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

.testimonial-card {
  background: white;
  border-radius: 24px;
  padding: 40px 32px 40px 100px;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 80px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
  z-index: 0;
}

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

.testimonial-content {
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.testimonial-content p {
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.9;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 20px;
}

.author-avatar {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  position: absolute;
  top: 40px;
  left: -28px;
  z-index: 10;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  color: var(--text-dark);
  font-size: 16px;
}

.author-pet {
  font-size: 13px;
  color: var(--text-light);
}

/* 常见问题 */
.faq {
  background: var(--bg-light);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.faq-item:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 124, 0, 0.2);
}

.faq-item.active {
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-lg);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 16px;
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: var(--primary-orange);
}

.faq-toggle {
  font-size: 28px;
  color: var(--primary-orange);
  transition: all 0.3s ease;
  font-weight: 300;
  line-height: 1;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: var(--primary-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
  padding: 0 32px 28px;
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.9;
}

/* 联系我们 */
.contact {
  background: var(--bg-white);
}

.contact-wrapper {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px 32px;
  background: linear-gradient(135deg, #fafafa 0%, #fff 100%);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--primary-orange), var(--primary-blue));
  transition: height 0.4s ease;
}

.contact-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(245, 124, 0, 0.1);
  border-color: rgba(245, 124, 0, 0.15);
}

.contact-item:hover::before {
  height: 100%;
}

.contact-icon {
  font-size: 32px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(245, 124, 0, 0.1), rgba(25, 118, 210, 0.1));
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  transition: all 0.4s ease;
}

.contact-item:hover .contact-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, rgba(245, 124, 0, 0.15), rgba(25, 118, 210, 0.15));
}

.contact-item h4 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-dark);
  font-weight: 700;
}

.contact-item p {
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.7;
}

/* 滚动进入动画 */
.fade-in-section {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/*  stagger 动画延迟 */
.fade-in-section.delay-1 { transition-delay: 0.1s; }
.fade-in-section.delay-2 { transition-delay: 0.2s; }
.fade-in-section.delay-3 { transition-delay: 0.3s; }
.fade-in-section.delay-4 { transition-delay: 0.4s; }
.fade-in-section.delay-5 { transition-delay: 0.5s; }
.fade-in-section.delay-6 { transition-delay: 0.6s; }

/* 卡片浮动动画增强 */
.service-card,
.safety-item,
.testimonial-card {
  animation: cardFloat 3s ease-in-out infinite;
}

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

.service-card:nth-child(2),
.safety-item:nth-child(2),
.testimonial-card:nth-child(2) {
  animation-delay: 0.5s;
}

.service-card:nth-child(3),
.safety-item:nth-child(3),
.testimonial-card:nth-child(3) {
  animation-delay: 1s;
}

/* 页脚 */
.footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: white;
  padding: 100px 0 40px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-orange), var(--primary-blue));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.footer-logo img {
  height: 50px;
}

.footer-logo span {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo span span {
  font-family: Arial, sans-serif;
  font-size: 0.85em;
  margin-left: 6px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.9;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  margin-bottom: 24px;
  color: white;
  font-weight: 700;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 14px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 15px;
  transition: all 0.3s ease;
  position: relative;
}

.footer-links a::before {
  content: '→';
  position: absolute;
  left: -20px;
  opacity: 0;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-orange-light);
  padding-left: 10px;
}

.footer-links a:hover::before {
  opacity: 1;
  left: 0;
}

.footer-contact p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  max-width: 350px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 36px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  margin-bottom: 8px;
}

/* 动画 */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 滚动动画类 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

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

  .hero-visual {
    height: 400px;
  }

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

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

  .safety-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline::before {
    display: none;
  }

  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

  .nav-order-query {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 30px;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-buttons {
    display: none;
  }

  .nav-order-query {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .hero-title {
    font-size: 36px;
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .hero-visual {
    height: 300px;
  }

  .hero-card {
    max-width: 100%;
  }

  section {
    padding: 80px 0;
  }

  .section-header h2 {
    font-size: 32px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .safety-grid {
    grid-template-columns: 1fr;
  }

  .process-timeline {
    grid-template-columns: 1fr;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-item {
    padding: 20px;
  }

  .contact-query-box {
    padding: 32px 24px;
    border-radius: 24px;
  }

  .contact-query-box h3 {
    font-size: 24px;
  }

  .query-box {
    flex-direction: column;
  }

  .query-box .btn {
    width: 100%;
  }

  .query-features {
    gap: 12px;
  }

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

  .footer-brand {
    max-width: 100%;
  }

  .footer-logo {
    justify-content: center;
  }

  .footer-links a::before {
    display: none;
  }

  .footer-links a:hover {
    padding-left: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 15px;
  }

  .service-card {
    padding: 36px 24px;
  }

  .safety-item {
    padding: 36px 24px;
  }

  .testimonial-card {
    padding: 36px 24px;
  }

  .footer {
    padding: 60px 0 30px;
  }
}

/* 加载动画 */
body.loaded .service-card,
body.loaded .safety-item,
body.loaded .process-step,
body.loaded .testimonial-card,
body.loaded .faq-item {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

body.loaded .service-card:nth-child(1) { animation-delay: 0.1s; }
body.loaded .service-card:nth-child(2) { animation-delay: 0.15s; }
body.loaded .service-card:nth-child(3) { animation-delay: 0.2s; }
body.loaded .service-card:nth-child(4) { animation-delay: 0.25s; }
body.loaded .service-card:nth-child(5) { animation-delay: 0.3s; }
body.loaded .service-card:nth-child(6) { animation-delay: 0.35s; }

body.loaded .safety-item:nth-child(1) { animation-delay: 0.1s; }
body.loaded .safety-item:nth-child(2) { animation-delay: 0.15s; }
body.loaded .safety-item:nth-child(3) { animation-delay: 0.2s; }
body.loaded .safety-item:nth-child(4) { animation-delay: 0.25s; }
body.loaded .safety-item:nth-child(5) { animation-delay: 0.3s; }
body.loaded .safety-item:nth-child(6) { animation-delay: 0.35s; }

body.loaded .process-step:nth-child(1) { animation-delay: 0.1s; }
body.loaded .process-step:nth-child(2) { animation-delay: 0.2s; }
body.loaded .process-step:nth-child(3) { animation-delay: 0.3s; }
body.loaded .process-step:nth-child(4) { animation-delay: 0.4s; }

body.loaded .testimonial-card:nth-child(1) { animation-delay: 0.1s; }
body.loaded .testimonial-card:nth-child(2) { animation-delay: 0.2s; }
body.loaded .testimonial-card:nth-child(3) { animation-delay: 0.3s; }

body.loaded .faq-item:nth-child(1) { animation-delay: 0.1s; }
body.loaded .faq-item:nth-child(2) { animation-delay: 0.2s; }
body.loaded .faq-item:nth-child(3) { animation-delay: 0.3s; }
body.loaded .faq-item:nth-child(4) { animation-delay: 0.4s; }
body.loaded .faq-item:nth-child(5) { animation-delay: 0.5s; }

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

/* 3D 鼠标跟随效果 */
.hero-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* 粒子样式增强 */
.particle {
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

/* FAQ 动画增强 */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* 服务流程步骤动画 */
.process-step {
  transition: transform 0.4s ease;
}

.process-step:hover {
  transform: translateY(-10px);
}

/* 导航栏链接下划线动画 */
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-orange), var(--primary-blue));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 80%;
}

/* 页脚背景动画 */
.footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  animation: footerShine 8s linear infinite;
}

@keyframes footerShine {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* 图标脉冲效果 */
.safety-icon,
.service-icon-wrapper {
  animation: iconPulse 3s ease-in-out infinite;
}

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

.safety-icon:nth-child(1),
.service-icon-wrapper:nth-child(1) {
  animation-delay: 0s;
}

.safety-icon:nth-child(2),
.service-icon-wrapper:nth-child(2) {
  animation-delay: 0.3s;
}

.safety-icon:nth-child(3),
.service-icon-wrapper:nth-child(3) {
  animation-delay: 0.6s;
}

/* 悬浮元素动画增强 */
.floating-element {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.15));
}

/* 按钮悬停光效 */
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::after {
  left: 100%;
}

/* 统计数字动画 */
.stat-number {
  transition: transform 0.3s ease;
}

.stat:hover {
  transform: scale(1.1);
}

/* 卡片阴影渐变动画 */
.service-card,
.safety-item,
.testimonial-card {
  background: linear-gradient(145deg, #ffffff 0%, #fafafa 100%);
}

/* 加载时元素淡入 */
@keyframes staggerIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 标题渐入效果 */
.section-header {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-header.visible {
  opacity: 1;
  transform: translateY(0);
}