/* ============================================
   广东唯正医疗器械有限公司 - 企业官网样式
   简约大气 · 专业可信
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #0a4c7b;
  --primary-light: #0d6ba0;
  --primary-dark: #073654;
  --accent: #00a86b;
  --accent-light: #00c47d;
  --accent-dark: #008c59;
  --text: #2d3748;
  --text-light: #5a6c7d;
  --text-lighter: #8899aa;
  --bg: #ffffff;
  --bg-light: #f7fafc;
  --bg-gray: #edf2f7;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.10);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
  list-style: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

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

.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.navbar .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
}

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

.navbar .nav-links a {
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition);
  position: relative;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
  color: var(--primary);
  background: rgba(10, 76, 123, 0.06);
}

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

.navbar .mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- 页头横幅 ---------- */
.page-header {
  margin-top: 72px;
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 50%
  );
}

.page-header .title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.page-header .subtitle {
  font-size: 1.1rem;
  opacity: 0.85;
  position: relative;
}

.page-header .breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.9rem;
  opacity: 0.7;
  position: relative;
}

.page-header .breadcrumb a:hover {
  opacity: 1;
}

/* ---------- Hero 首页大图 ---------- */
.hero {
  margin-top: 72px;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f0f6fb 0%, #e8f4f8 50%, #f5f9fc 100%);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(
    ellipse at bottom right,
    rgba(10, 76, 123, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}

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

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-content h1 span {
  color: var(--primary);
}

.hero-content .hero-desc {
  font-size: 1.15rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 480px;
}

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

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.hero-card .stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.hero-card .stat-item {
  text-align: center;
  padding: 20px;
}

.hero-card .stat-item .number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.hero-card .stat-item .label {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 6px;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(10, 76, 123, 0.3);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 76, 123, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 168, 107, 0.3);
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

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

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

/* ---------- 通用板块 ---------- */
.section {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding: 4px 16px;
  background: rgba(0, 168, 107, 0.08);
  border-radius: 20px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.section-header .desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- 首页特色卡片 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

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

.feature-card .icon-box {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}

.feature-card:nth-child(2) .icon-box {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
}

.feature-card:nth-child(3) .icon-box {
  background: linear-gradient(135deg, #6366f1, #818cf8);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---------- 关于我们板块 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image .img-main {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--primary);
  position: relative;
  overflow: hidden;
}

.about-image .img-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 76, 123, 0.1),
    rgba(0, 168, 107, 0.1)
  );
}

.about-image .badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--primary);
  color: #fff;
  padding: 20px 28px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.about-image .badge .years {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.about-image .badge .text {
  font-size: 0.85rem;
  margin-top: 4px;
  opacity: 0.9;
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}

.about-content .lead {
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-content p {
  font-size: 0.95rem;
  color: var(--text-lighter);
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.about-features .af-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.about-features .af-item .check {
  width: 24px;
  height: 24px;
  background: rgba(0, 168, 107, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ---------- 企业文化 ---------- */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.culture-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.culture-card .c-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.culture-card:nth-child(1) .c-icon {
  background: rgba(10, 76, 123, 0.1);
  color: var(--primary);
}
.culture-card:nth-child(2) .c-icon {
  background: rgba(0, 168, 107, 0.1);
  color: var(--accent);
}
.culture-card:nth-child(3) .c-icon {
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
}

.culture-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.culture-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---------- 企业资质 ---------- */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 420px));
  gap: 40px;
  justify-content: center;
}

.cert-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition);
}

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

.cert-card a {
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-light);
}

.cert-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transition: transform var(--transition);
}

.cert-card a:hover img {
  transform: scale(1.03);
}

.cert-card .cert-label {
  margin-top: 18px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info .sub {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 32px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--bg-light);
  margin-bottom: 16px;
  transition: all var(--transition);
}

.contact-card:hover {
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-card .cc-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition);
  background: var(--bg-light);
  color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 76, 123, 0.1);
  background: #fff;
}

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

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

/* ---------- 页脚 ---------- */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.65);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-contact p {
  font-size: 0.88rem;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}

.footer-contact .fc-icon {
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 30px 0;
  text-align: center;
}

.footer-bottom .license {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom .license span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-bottom .license .sep {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.2);
}

.footer-bottom .copyright {
  margin-top: 12px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- 荣誉资质 ---------- */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.honor-item {
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.honor-item .h-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.honor-item .h-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.honor-item .h-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ---------- 发展历程 ---------- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding: 20px 24px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--primary);
}

.timeline-item .year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.timeline-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- CTA 板块 ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 80px 0;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 1.05rem;
  opacity: 0.85;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    min-height: auto;
    padding: 60px 0;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

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

  .cert-card {
    padding: 18px;
  }

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

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

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

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

@media (max-width: 768px) {
  .navbar .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 20px 24px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    transition: transform var(--transition);
    z-index: 999;
    gap: 4px;
  }

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

  .navbar .nav-links a {
    width: 100%;
    padding: 12px 16px;
    border-radius: 6px;
  }

  .navbar .mobile-toggle {
    display: flex;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .features-grid,
  .culture-grid,
  .certificates-grid {
    grid-template-columns: 1fr;
  }

  .certificates-grid {
    gap: 28px;
  }

  .cert-card {
    padding: 16px;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.7rem;
  }

  .page-header .title {
    font-size: 1.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .hero-card {
    padding: 28px;
  }

  .hero-card .stat-item .number {
    font-size: 1.6rem;
  }

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

@media (max-width: 480px) {
  .hero-btns {
    flex-direction: column;
  }

  .hero-btns .btn {
    width: 100%;
    justify-content: center;
  }

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

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

  .hero-card .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}