/* 郑州顺陌电子科技 - 企业级视觉系统 */

/* ========== 设计令牌 ========== */
:root {
  --primary: #1F3C88;
  --primary-dark: #162863;
  --primary-light: #4F6CD8;
  --secondary: #00A3C4;
  --accent: #FF7D4D;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --surface: #FFFFFF;
  --bg: #F8FAFF;
  --shadow-sm: 0 10px 30px rgba(21, 35, 71, 0.08);
  --shadow-md: 0 24px 60px rgba(18, 46, 128, 0.12);
  --radius-lg: 20px;
}

/* ========== 基础重置 ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--gray-900);
  background: var(--bg);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

p {
  margin: 0 0 1.25rem;
  color: var(--gray-700);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  color: var(--gray-900);
}

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(120deg, rgba(12, 25, 60, 0.92), rgba(31, 60, 136, 0.95));
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

.navbar-container {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo span {
  display: inline-block;
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.06em;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-item {
  position: relative;
}

.navbar-item > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  transition: all 0.25s ease;
}

.navbar-item > a:hover {
  color: #FFFFFF;
  background: rgba(79, 108, 216, 0.2);
}

.dropdown {
  position: absolute;
  top: 52px;
  left: 0;
  min-width: 200px;
  background: #FFFFFF;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 14px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.25s ease;
}

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

.dropdown-item {
  display: block;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--gray-700);
  font-size: 15px;
  transition: all 0.2s ease;
}

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

/* ========== 主体布局 ========== */
.main-content {
  margin-top: 80px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 96px 0;
}

.section.section-muted {
  background: #FFFFFF;
}

.section.section-emphasis {
  background: linear-gradient(135deg, rgba(31, 60, 136, 0.05), rgba(0, 163, 196, 0.08));
}

.section-header {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-title {
  font-size: 36px;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--gray-500);
  margin: 0 auto;
  max-width: 620px;
}

.section-title sup {
  font-size: 14px;
  color: var(--secondary);
  margin-left: 6px;
}

/* ========== Hero 区域 ========== */
.hero-section {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 640px;
  background: linear-gradient(140deg, rgba(14, 31, 75, 0.95), rgba(31, 60, 136, 0.85)), url("../images/VwOIA8NWEnYn.jpg") center/cover no-repeat;
  color: #FFFFFF;
  overflow: hidden;
}

.page-hero {
  min-height: 420px;
  padding: 120px 0 100px;
  text-align: left;
  place-items: stretch;
  background: linear-gradient(140deg, rgba(14, 31, 75, 0.92), rgba(31, 60, 136, 0.75));
}

.page-hero .hero-content {
  max-width: 860px;
  margin: 0 auto;
  text-align: left;
}

.page-hero .hero-title {
  font-size: 42px;
}

.page-hero .hero-subtitle {
  max-width: 640px;
}



.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(0, 163, 196, 0.18), transparent 55%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 820px;
  padding: 0 20px;
  text-align: center;
}

.hero-title {
  font-size: 54px;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.hero-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 34px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.hero-cta {
  background: linear-gradient(120deg, var(--primary-light), var(--primary));
  color: #FFFFFF;
  box-shadow: 0 16px 32px rgba(31, 60, 136, 0.25);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(18, 46, 128, 0.28);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.metric-card {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
}

.metric-number {
  font-size: 34px;
  font-weight: 700;
  color: #FFFFFF;
}

.metric-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
}

/* ========== 栅格与卡片 ========== */
.grid {
  display: grid;
  gap: 28px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid-container,
.grid-container-3 {
  display: grid;
  gap: 28px;
}

.grid-container {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-container-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 26px;
  flex: 1;
}

.card-title {
  font-size: 22px;
  margin-bottom: 12px;
}

.card-description {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 20px;
}

.card-link {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.card-link:hover {
  color: var(--primary-dark);
}

.card-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 60, 136, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

/* ========== 组合组件 ========== */
.two-column {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: rgba(31, 60, 136, 0.1);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.feature-text {
  flex: 1;
}

.feature-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.stats-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(18, 46, 128, 0.06);
  text-align: center;
}

.stat-number {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: var(--gray-500);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(0, 163, 196, 0.12);
  color: var(--secondary);
}

.list-dotted {
  padding-left: 18px;
}

.list-dotted li {
  margin-bottom: 10px;
  color: var(--gray-700);
  position: relative;
}

.list-dotted li::before {
  content: "•";
  position: absolute;
  left: -18px;
  color: var(--primary);
}

.timeline {
  border-left: 2px solid rgba(31, 60, 136, 0.15);
  padding-left: 26px;
  display: grid;
  gap: 24px;
}

.timeline-item {
  position: relative;
  padding-left: 18px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(79, 108, 216, 0.15);
}

.timeline-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.quote-card {
  background: linear-gradient(135deg, rgba(31, 60, 136, 0.1), rgba(0, 163, 196, 0.12));
  border-radius: 22px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.quote-card p {
  font-size: 18px;
  color: var(--gray-700);
  margin-bottom: 18px;
}

.quote-author {
  font-weight: 600;
  color: var(--primary-dark);
}

.table-wrapper {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
  border: 1px solid rgba(18, 46, 128, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 16px 20px;
  text-align: left;
  font-size: 15px;
  color: var(--gray-700);
}

th {
  background: rgba(31, 60, 136, 0.06);
  font-weight: 600;
  color: var(--gray-900);
}

tr:nth-child(even) td {
  background: rgba(248, 250, 255, 0.75);
}

.cta-band {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  border-radius: 24px;
  padding: 48px;
  color: #FFFFFF;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-md);
}

.cta-text h3 {
  font-size: 32px;
  margin-bottom: 12px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
  font-size: 16px;
}

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

.cta-actions .btn {
  padding: 14px 28px;
}

/* ========== 页脚 ========== */
.footer {
  background: #0B1224;
  color: rgba(255, 255, 255, 0.78);
  padding: 80px 0 36px;
  margin-top: 40px;
}

.footer-container {
  display: grid;
  gap: 42px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.footer-section h3 {
  font-size: 18px;
  color: #FFFFFF;
  margin-bottom: 18px;
}

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

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.footer-section a:hover {
  color: #FFFFFF;
}

.footer-contact li {
  color: rgba(255, 255, 255, 0.75);
}

.footer-bottom {
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 28px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.8);
}

/* ========== 响应式调整 ========== */
@media (max-width: 1180px) {
  .navbar-container {
    padding: 0 24px;
  }

  .container {
    padding: 0 24px;
  }
}

@media (max-width: 992px) {
  .navbar-menu {
    gap: 6px;
  }

  .navbar-item > a {
    padding: 10px 14px;
    font-size: 14px;
  }

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

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

@media (max-width: 820px) {
  .navbar {
    height: 72px;
  }

  .main-content {
    margin-top: 72px;
  }

  .navbar-container {
    padding: 0 20px;
  }

  .navbar-menu {
    display: none;
  }

  .hero-section {
    min-height: 520px;
  }


  .hero-title {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

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

  .hero-cta,
  .btn-outline {
    width: 100%;
  }

  .cta-band {
    padding: 36px 28px;
  }

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

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