/* 
   贵州贵勇建筑设备租赁 - 专业企业级样式
   设计理念：专业、清晰、信任、现代
*/

:root {
  /* 专业配色 - 企业蓝+橙点缀 */
  --primary-blue: #1a5490;
  --primary-blue-light: #2874b5;
  --primary-blue-dark: #0f3a63;
  --accent-orange: #f59e42;
  --accent-orange-light: #ffc175;
  
  /* 中性色 */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-900: #0f172a;
  
  /* 语义色 */
  --success: #10b981;
  --info: #3b82f6;
  
  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  
  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* 动画 */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background: #f8fbff;
}

.page-home {
  position: relative;
  background:
    radial-gradient(circle at 3% 12%, rgba(40, 116, 181, 0.15), transparent 55%),
    radial-gradient(circle at 85% 8%, rgba(245, 158, 66, 0.14), transparent 60%),
    radial-gradient(circle at 18% 82%, rgba(45, 212, 191, 0.14), transparent 62%),
    linear-gradient(180deg, #f4f7fe 0%, #f0f4ff 45%, #f7f9ff 100%);
  min-height: 100vh;
}

.page-home::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(26, 84, 144, 0.05), transparent 60%);
  mix-blend-mode: screen;
  z-index: -1;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 主导航 */
.page-home .main-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 40px rgba(15, 58, 99, 0.12);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}


.main-header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.logo-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: 0.2px;
}

.logo-slogan {
  font-size: 13px;
  color: var(--gray-600);
  letter-spacing: 0.6px;
}

/* 导航菜单 */
.main-nav {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 10px 18px;
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: all 0.3s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-blue);
  background: rgba(26, 84, 144, 0.05);
}

/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s;
  margin-top: 8px;
}

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

.dropdown-item {
  display: block;
  padding: 10px 16px;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: all 0.2s;
}

.dropdown-item:hover {
  background: var(--gray-100);
  color: var(--primary-blue);
}

/* Hero区域 */
.hero-immersive {
  position: relative;
  padding: 130px 0 110px;
  background: linear-gradient(135deg, rgba(240, 247, 255, 0.94) 0%, rgba(228, 238, 255, 0.96) 42%, rgba(250, 242, 255, 0.92) 100%);
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 40px 120px rgba(15, 58, 99, 0.12);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.hero-immersive::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 14%, rgba(40, 116, 181, 0.18), transparent 56%),
    radial-gradient(circle at 82% 12%, rgba(245, 158, 66, 0.12), transparent 60%);
  z-index: -2;
  opacity: 0.9;
}

.hero-immersive::after {
  content: '';
  position: absolute;
  inset: -30% -15% -20% -15%;
  background: linear-gradient(125deg, rgba(15, 58, 99, 0.18), transparent 40%, rgba(40, 116, 181, 0.24));
  filter: blur(120px);
  opacity: 0.7;
  z-index: -3;
}

.hero-immersive__background {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  filter: blur(0);
  animation: float 16s ease-in-out infinite;
  transform-origin: center;
}

.hero-orb--one {
  width: 360px;
  height: 360px;
  top: -140px;
  right: 16%;
  background: radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.45), rgba(56, 189, 248, 0));
}

.hero-orb--two {
  width: 240px;
  height: 240px;
  bottom: -80px;
  right: -40px;
  animation-delay: 2s;
  background: radial-gradient(circle at 40% 40%, rgba(245, 158, 66, 0.38), rgba(255, 255, 255, 0));
}

.hero-orb--three {
  width: 280px;
  height: 280px;
  bottom: 6%;
  left: -100px;
  animation-delay: 4s;
  background: radial-gradient(circle at 50% 50%, rgba(45, 212, 191, 0.35), rgba(255, 255, 255, 0));
}

.hero-immersive__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 80px;
  align-items: center;
}

.hero-immersive__content {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(26, 84, 144, 0.18), rgba(148, 163, 184, 0.18));
  color: var(--primary-blue);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-orange);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(245, 158, 66, 0.12);
}

.hero-immersive__title {
  font-size: 52px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.12;
  letter-spacing: -0.6px;
  margin-bottom: 20px;
}

.hero-immersive__title .highlight {
  color: var(--primary-blue);
}

.hero-immersive__description {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 560px;
}

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

.hero-highlights {
  list-style: none;
  margin: 36px 0 40px;
  display: grid;
  gap: 16px;
}

.hero-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  background: rgba(26, 84, 144, 0.08);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(26, 84, 144, 0.1);
  color: var(--gray-600);
  font-size: 15px;
}

.hero-highlights li span {
  font-weight: 600;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.hero-metric {
  flex: 1 1 160px;
  min-width: 160px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(229, 240, 255, 0.88));
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(26, 84, 144, 0.12);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.hero-metric:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.hero-metric__value {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary-blue);
  line-height: 1;
}

.hero-metric__label {
  font-size: 14px;
  color: var(--gray-600);
  margin-top: 6px;
}

.hero-immersive__panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}

.hero-panel-card {
  position: relative;
  border-radius: 22px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  animation: subtleFloat 10s ease-in-out infinite;
}

.hero-panel-card:nth-child(2) {
  animation-delay: 1.4s;
}

.hero-panel-card--primary {
  background: linear-gradient(135deg, rgba(26, 84, 144, 0.96), rgba(15, 58, 99, 0.92));
  color: #fff;
}

.hero-panel-card--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(245, 158, 66, 0.25), transparent 60%);
  mix-blend-mode: screen;
}

.hero-panel-card--glass {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(229, 240, 255, 0.9));
  border: 1px solid rgba(15, 58, 99, 0.12);
}

.hero-panel-card__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 12px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-weight: 600;
}

.hero-panel-card--glass .hero-panel-card__eyebrow {
  background: rgba(26, 84, 144, 0.08);
  color: var(--primary-blue);
}

.hero-panel-card h3 {
  font-size: 26px;
  font-weight: 700;
  margin: 18px 0 16px;
  line-height: 1.3;
}

.hero-panel-card p {
  font-size: 15px;
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: 20px;
}

.hero-panel-list {
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.hero-panel-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.hero-panel-list li::before {
  content: '▹';
  font-weight: 700;
  opacity: 0.9;
}

.hero-panel-card--primary .hero-panel-list li::before {
  color: rgba(255, 255, 255, 0.7);
}

.hero-panel-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 600;
}

.hero-panel-card--glass .hero-panel-link {
  color: var(--primary-blue);
}

.hero-panel-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.hero-panel-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.hero-panel-metric {
  background: rgba(26, 84, 144, 0.08);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
}

.hero-panel-metric__label {
  display: block;
  font-size: 13px;
  color: rgba(51, 65, 85, 0.7);
  margin-bottom: 6px;
}

.hero-panel-metric__value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-blue);
}

.hero-panel-card--primary .hero-panel-metric {
  background: rgba(255, 255, 255, 0.12);
}

.hero-panel-card--primary .hero-panel-metric__label {
  color: rgba(255, 255, 255, 0.75);
}

.hero-panel-card--primary .hero-panel-metric__value {
  color: #fff;
}

.hero-panel-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(26, 84, 144, 0.08);
}

.hero-panel-card--primary .hero-panel-contact {
  background: rgba(255, 255, 255, 0.12);
}

.hero-panel-contact__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-panel-contact__label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-panel-card--glass .hero-panel-contact__label {
  color: rgba(51, 65, 85, 0.7);
}

.hero-panel-contact__name {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.hero-panel-card--glass .hero-panel-contact__name {
  color: var(--gray-700);
}

.hero-panel-contact__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--primary-blue);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  box-shadow: var(--shadow-md);
}

.hero-panel-contact__cta:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

@keyframes float {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -12px, 0) scale(1.04);
  }
}

@keyframes subtleFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.page-home .section {
  margin: 80px 0;
}

.page-home .section:last-of-type {
  margin-bottom: 60px;
}

/* 章节通用样式 */
.section {
  padding: 80px 0;
}

.section-light {
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(26, 84, 144, 0.1);
  color: var(--primary-blue);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* 服务矩阵 */
.value-proposition {
  position: relative;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.9), rgba(233, 240, 255, 0.96));
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(15, 58, 99, 0.08);
}

.value-proposition::before {
  content: '';
  position: absolute;
  inset: -120px;
  background:
    radial-gradient(circle at top right, rgba(26, 84, 144, 0.14), transparent 60%),
    radial-gradient(circle at bottom left, rgba(45, 212, 191, 0.12), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.value-proposition::after {
  content: '';
  position: absolute;
  inset: -60px -20px 0 -60px;
  background: linear-gradient(150deg, rgba(245, 158, 66, 0.12), transparent 40%, rgba(26, 84, 144, 0.08));
  opacity: 0.7;
  z-index: 0;
  filter: blur(80px);
}

.value-proposition .section-header {
  position: relative;
  z-index: 1;
}

.value-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.value-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(229, 240, 255, 0.9));
  border-radius: 20px;
  padding: 28px;
  border: 1px solid rgba(26, 84, 144, 0.12);
  box-shadow: 0 18px 40px rgba(15, 58, 99, 0.08);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.value-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 84, 144, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

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

.value-card:hover::before {
  opacity: 1;
}

.value-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(26, 84, 144, 0.1);
  color: var(--primary-blue);
  font-size: 26px;
  margin-bottom: 18px;
}

.value-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 14px;
}

.value-card__description {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
}

.value-card__meta {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
  color: var(--gray-600);
}

.value-card__meta span {
  flex: 1;
}

.value-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-blue);
  font-weight: 600;
  text-decoration: none;
}

.value-card__link::after {
  content: '→';
  font-size: 14px;
}

/* 项目高光 */
.project-highlight {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(15, 58, 99, 0.12), rgba(40, 116, 181, 0.08), rgba(255, 255, 255, 0.18));
  border-radius: 32px;
  box-shadow: 0 36px 90px rgba(15, 58, 99, 0.15);
  border: 1px solid rgba(26, 84, 144, 0.14);
}

.project-highlight::before {
  content: '';
  position: absolute;
  inset: -80px -120px -40px -80px;
  background: radial-gradient(circle at 85% 15%, rgba(245, 158, 66, 0.22), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.8;
  pointer-events: none;
}

.project-highlight__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.project-highlight__media {
  position: relative;
}

.project-highlight__frame {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.project-highlight__frame img {
  width: 100%;
  height: auto;
  display: block;
}

.project-highlight__badge {
  position: absolute;
  left: 24px;
  bottom: -20px;
  padding: 14px 22px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(229, 240, 255, 0.88));
  color: var(--primary-blue);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.project-highlight__description {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 28px;
}

.project-highlight__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 32px;
}

.project-stat {
  flex: 1 1 120px;
  min-width: 140px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.22), rgba(148, 163, 184, 0.14));
  border-radius: var(--radius-md);
  padding: 18px 22px;
  color: var(--primary-blue);
}

.project-stat__value {
  font-size: 26px;
  font-weight: 700;
  display: block;
}

.project-stat__label {
  font-size: 13px;
  color: var(--gray-600);
  display: block;
  margin-top: 6px;
}

.project-highlight__list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.project-highlight__list li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  color: var(--gray-700);
}

.project-highlight__list li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

.project-highlight__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* 指标区域 */
.metrics-section {
  background: linear-gradient(135deg, #0f3a63 0%, #1a5490 55%, #2660a4 100%);
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  box-shadow: 0 32px 120px rgba(2, 12, 27, 0.45);
  border: 1px solid rgba(15, 58, 99, 0.35);
}

.metrics-section::before {
  content: '';
  position: absolute;
  inset: -160px;
  background:
    radial-gradient(circle at 22% 20%, rgba(56, 189, 248, 0.18), transparent 65%),
    radial-gradient(circle at 85% 10%, rgba(245, 158, 66, 0.22), transparent 60%);
}

.metrics-section::after {
  content: '';
  position: absolute;
  inset: auto -120px -120px -120px;
  height: 50%;
  background: radial-gradient(circle at right, rgba(15, 58, 99, 0.4), transparent 70%);
  opacity: 0.8;
}

.metrics-surface {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 28px;
  padding: 60px;
  box-shadow: 0 32px 90px rgba(2, 12, 27, 0.32);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.metrics-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(203, 213, 225, 0.3));
  border-radius: 18px;
  padding: 26px 24px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 18px 40px rgba(15, 58, 99, 0.18);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.metrics-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(15, 58, 99, 0.22);
}

.metrics-value {
  font-size: 44px;
  font-weight: 700;
  color: var(--primary-blue);
  line-height: 1;
  margin-bottom: 10px;
}

.metrics-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.metrics-caption {
  font-size: 14px;
  color: var(--gray-600);
}

.metrics-notes {
  margin-top: 36px;
  padding: 18px 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(15, 58, 99, 0.12), rgba(26, 84, 144, 0.18));
  color: #fff;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* 交付流程 */
.operations-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(15, 58, 99, 0.1), rgba(26, 84, 144, 0.06), rgba(255, 255, 255, 0.18));
  border-radius: 32px;
  box-shadow: 0 28px 80px rgba(15, 58, 99, 0.12);
  border: 1px solid rgba(26, 84, 144, 0.1);
}

.operations-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(45, 212, 191, 0.16), transparent 55%),
    radial-gradient(circle at 78% 18%, rgba(245, 158, 66, 0.18), transparent 60%);
  pointer-events: none;
}

.operations-section .section-header {
  position: relative;
  z-index: 1;
}

.operations-timeline {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.timeline-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(229, 237, 255, 0.88));
  border-radius: 20px;
  padding: 28px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 18px 42px rgba(15, 58, 99, 0.12);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.timeline-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 84, 144, 0.16), rgba(245, 158, 66, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

.timeline-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 60px rgba(15, 58, 99, 0.2);
}

.timeline-card:hover::before {
  opacity: 1;
}

.timeline-card__index {
  font-size: 32px;
  font-weight: 700;
  color: rgba(26, 84, 144, 0.15);
  margin-bottom: 14px;
}

.timeline-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.timeline-card p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
}

.timeline-card__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-600);
}

.timeline-card__list li {
  display: flex;
  gap: 8px;
}

.timeline-card__list li::before {
  content: '•';
  color: var(--primary-blue);
}

.timeline-card__note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--primary-blue);
  font-weight: 600;
}

/* 滚动动效 */
[data-animate] {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  will-change: transform, opacity;
}

[data-animate="fade-left"] {
  transform: translate3d(40px, 0, 0);
}

[data-animate="fade-right"] {
  transform: translate3d(-40px, 0, 0);
}

[data-animate="zoom-in"] {
  transform: scale(0.94);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-animate="zoom-in"].is-visible {
  transform: scale(1);
}

/* 服务网格 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  border: 1px solid var(--gray-200);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.service-description {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.service-features li {
  padding: 8px 0;
  color: var(--gray-600);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.service-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* 案例展示 */
.case-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.case-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.case-image img {
  width: 100%;
  height: auto;
  display: block;
}

.case-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.3;
}

.case-description {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 24px;
}

.case-highlights {
  list-style: none;
  padding: 0;
  margin-bottom: 32px;
}

.case-highlights li {
  padding: 12px 0;
  color: var(--gray-700);
  font-size: 15px;
  display: flex;
  gap: 12px;
  line-height: 1.6;
}

.case-highlights li::before {
  content: '→';
  color: var(--accent-orange);
  font-weight: 700;
  flex-shrink: 0;
}

/* 数据展示 */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.data-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.3s;
}

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

.data-value {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary-blue);
  line-height: 1;
  margin-bottom: 8px;
}

.data-label {
  font-size: 16px;
  color: var(--gray-700);
  font-weight: 600;
  margin-bottom: 4px;
}

.data-sublabel {
  font-size: 14px;
  color: var(--gray-600);
}

/* CTA区域 */
.cta-section {
  position: relative;
  padding: 110px 0;
  background: linear-gradient(120deg, var(--primary-blue), #0f3a63);
  color: #fff;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.25), transparent 60%);
  opacity: 0.45;
}

.cta-section::after {
  content: '';
  position: absolute;
  inset: 10% -30% auto -10%;
  height: 70%;
  background: radial-gradient(circle at right, rgba(255, 255, 255, 0.18), transparent 65%);
  opacity: 0.6;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 18px;
}

.cta-description {
  font-size: 18px;
  margin-bottom: 32px;
  line-height: 1.7;
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: #fff;
  color: var(--primary-blue);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

.cta-meta {
  margin-top: 28px;
  font-size: 13px;
  opacity: 0.85;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 悬浮联系卡片 */
.floating-contact {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.floating-contact__toggle {
  border: none;
  outline: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-blue);
  color: #fff;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.floating-contact__toggle:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(15, 58, 99, 0.24);
}

.floating-contact__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  font-size: 16px;
  font-weight: 600;
}

.floating-contact__panel {
  width: 320px;
  padding: 26px;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.95);
  color: #fff;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(148, 163, 184, 0.28);
  transform: translateY(12px) scale(0.96);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.floating-contact.is-open .floating-contact__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.floating-contact__panel h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.floating-contact__panel p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.8);
}

.floating-contact__actions {
  display: grid;
  gap: 12px;
}

.floating-contact__actions .btn {
  justify-content: center;
}

.floating-contact__meta {
  margin-top: 18px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Footer */
.main-footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  margin-bottom: 16px;
}

.footer-description {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
  opacity: 0.8;
}

.footer-contact {
  font-size: 14px;
}

.footer-contact div {
  margin-bottom: 8px;
}

.footer-section h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--accent-orange);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 14px;
  opacity: 0.7;
}

/* 响应式 */
@media (max-width: 1200px) {
  .hero-immersive__layout {
    gap: 60px;
  }

  .hero-immersive__title {
    font-size: 46px;
  }

  .metrics-surface {
    padding: 56px;
  }
}

@media (max-width: 1024px) {
  .hero-immersive {
    padding: 100px 0 90px;
  }

  .hero-immersive__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-immersive__panel {
    max-width: 520px;
    margin: 0 auto;
  }

  .project-highlight__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .project-highlight__badge {
    bottom: -16px;
  }

  .metrics-surface {
    padding: 48px 40px;
  }

  .operations-timeline {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
  }

  .main-nav {
    flex-direction: column;
    width: 100%;
  }

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

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

  .hero-highlights {
    margin: 28px 0 32px;
  }

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

  .hero-metric {
    width: 100%;
  }

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

  .project-highlight__stats {
    flex-direction: column;
  }

  .project-stat {
    width: 100%;
  }

  .metrics-surface {
    padding: 40px 24px;
  }

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

  .metrics-value {
    font-size: 38px;
  }

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

  .cta-title {
    font-size: 32px;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .floating-contact {
    right: 20px;
    bottom: 24px;
  }

  .floating-contact__panel {
    width: min(100%, 360px);
  }
}

@media (max-width: 576px) {
  .hero-immersive {
    padding: 90px 0 80px;
  }

  .hero-metric {
    padding: 18px 20px;
  }

  .project-highlight__badge {
    position: static;
    margin-top: 16px;
  }

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

  .floating-contact {
    left: 16px;
    right: 16px;
    bottom: 18px;
    align-items: stretch;
  }

  .floating-contact__panel {
    width: 100%;
    transform-origin: bottom center;
  }

  .floating-contact__toggle {
    width: 100%;
    justify-content: center;
  }

  .metrics-surface {
    padding: 36px 20px;
  }
}