/* ===== 和盛新能源汽修 - 全局样式 ===== */
:root {
  --primary: #00a86b;
  --primary-dark: #008856;
  --primary-light: #e8f8f0;
  --accent: #1a9bdc;
  --dark: #1a2332;
  --dark-soft: #2d3748;
  --text: #333;
  --text-light: #666;
  --white: #fff;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: #f5f7fa;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

ul {
  list-style: none;
}

.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: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: background var(--transition);
}

.navbar.scrolled {
  background: rgba(26, 35, 50, 0.98);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.logo-text h1 {
  font-size: 18px;
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
}

.logo-text span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(0, 168, 107, 0.25);
}

.nav-links a.active {
  background: var(--primary);
}

.nav-cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
}

.nav-cta:hover {
  background: var(--primary-dark) !important;
}

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

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 页面头部 Banner ===== */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--dark) 0%, #0d3d2e 50%, var(--dark-soft) 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 168, 107, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 155, 220, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h2 {
  font-size: 42px;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb span {
  color: var(--primary);
}

/* ===== 首页 Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, #0a2e22 40%, var(--dark) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(0, 168, 107, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(26, 155, 220, 0.08) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

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

.hero-content h2 {
  font-size: 52px;
  color: var(--white);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-content h2 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 480px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #00c47a);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 168, 107, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 168, 107, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(0, 168, 107, 0.1);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 40px;
  backdrop-filter: blur(10px);
}

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

.stat-item {
  text-align: center;
  padding: 20px;
  background: rgba(0, 168, 107, 0.1);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 168, 107, 0.2);
}

.stat-item .number {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 通用区块 ===== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section-header h3 {
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 168, 107, 0.2);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.card h4 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== 特色条 ===== */
.features-bar {
  background: var(--dark);
  padding: 60px 0;
}

.features-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.feature-item {
  text-align: center;
  color: var(--white);
}

.feature-item .icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 关于页 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  background: linear-gradient(135deg, var(--primary-light), #d4eef8);
  border-radius: 20px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  position: relative;
  overflow: hidden;
}

.about-image::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.about-content h3 {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 15px;
}

.about-list {
  margin-top: 28px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
}

.about-list li::before {
  content: "✓";
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

/* ===== 服务页 ===== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.service-detail.reverse {
  direction: rtl;
}

.service-detail.reverse > * {
  direction: ltr;
}

.service-detail-img {
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.service-detail-img.green { background: linear-gradient(135deg, #e8f8f0, #c8f0dc); }
.service-detail-img.blue { background: linear-gradient(135deg, #e8f4fc, #c8e4f8); }
.service-detail-img.orange { background: linear-gradient(135deg, #fef3e8, #fde0c0); }
.service-detail-img.purple { background: linear-gradient(135deg, #f0e8fc, #ddd0f8); }

.service-detail-content {
  padding: 40px;
}

.service-detail-content h4 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.service-detail-content p {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 15px;
}

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

.service-tags span {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

/* ===== 案例页 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.case-card-img {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
}

.case-card-body {
  padding: 24px;
}

.case-card-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.case-card-body p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.case-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ===== 联系页 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

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

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-item .icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.contact-item p {
  font-size: 14px;
  color: var(--text-light);
}

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e8ecf0;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color var(--transition);
  background: #fafbfc;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.map-placeholder {
  margin-top: 40px;
  background: linear-gradient(135deg, var(--primary-light), #d4eef8);
  border-radius: var(--radius);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--primary);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
}

.footer h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .hero .container,
  .about-grid,
  .contact-grid,
  .service-detail {
    grid-template-columns: 1fr;
  }

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

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

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

  .hero-content h2 {
    font-size: 38px;
  }

  .service-detail.reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--dark);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a {
    width: 100%;
    text-align: center;
    padding: 14px;
  }

  .card-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .features-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-hero h2 {
    font-size: 30px;
  }

  .hero-content h2 {
    font-size: 32px;
  }

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

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