/* ============================================
   珠海佳特环保科技有限公司 - 官网样式
   简洁风格 · 蓝绿色系
   ============================================ */

:root {
  --teal-900: #134e4a;
  --teal-700: #0f766e;
  --teal-600: #0d9488;
  --teal-500: #14b8a6;
  --teal-100: #ccfbf1;
  --teal-50: #f0fdfa;
  --ink: #1f2937;
  --gray: #6b7280;
  --line: #e5e7eb;
  --bg: #ffffff;
  --bg-soft: #f6fbfa;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(13, 148, 136, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray);
  font-size: 15px;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--teal-600);
}

/* ---------- Hero 首屏 ---------- */
.hero {
  background:
    radial-gradient(1000px 400px at 85% -10%, rgba(20, 184, 166, 0.18), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(13, 148, 136, 0.12), transparent 60%),
    linear-gradient(180deg, var(--teal-50), #ffffff);
  text-align: center;
  padding: 110px 0 120px;
}

.hero-eyebrow {
  color: var(--teal-600);
  font-weight: 600;
  letter-spacing: 3px;
  font-size: 14px;
  margin-bottom: 18px;
}

.hero-title {
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--teal-900);
  margin-bottom: 20px;
}

.hero-sub {
  max-width: 560px;
  margin: 0 auto 40px;
  color: var(--gray);
  font-size: 17px;
}

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

.btn {
  display: inline-block;
  padding: 13px 34px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
  color: #fff;
  box-shadow: 0 8px 20px rgba(13, 148, 136, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(13, 148, 136, 0.38);
}

.btn-ghost {
  border: 1.5px solid var(--teal-500);
  color: var(--teal-600);
}

.btn-ghost:hover {
  background: var(--teal-50);
  transform: translateY(-2px);
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 90px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  color: var(--teal-900);
  letter-spacing: 1px;
}

.section-subtitle {
  color: var(--teal-500);
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-top: 8px;
}

/* ---------- 公司简介 ---------- */
.about {
  background: var(--bg);
}

.about-text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-size: 16.5px;
  color: var(--gray);
}

.about-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  min-width: 120px;
}

.stat-num {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--teal-600);
  line-height: 1.2;
}

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

/* ---------- 核心业务 ---------- */
.services {
  background: var(--bg-soft);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--teal-100);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--teal-100), var(--teal-50));
  color: var(--teal-600);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 30px;
  height: 30px;
}

.service-card h3 {
  font-size: 19px;
  color: var(--teal-900);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14.5px;
  color: var(--gray);
}

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

.contact-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-soft);
  border: 1px solid var(--teal-100);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
}

.contact-label {
  color: var(--teal-600);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.contact-value {
  display: inline-block;
  font-size: 21px;
  font-weight: 600;
  color: var(--teal-900);
  text-decoration: none;
  border-bottom: 2px solid var(--teal-100);
  padding-bottom: 4px;
  transition: border-color 0.2s;
  word-break: break-all;
}

.contact-value:hover {
  border-color: var(--teal-500);
}

.contact-tip {
  margin-top: 16px;
  color: var(--gray);
  font-size: 14px;
}

/* ---------- 页脚 ---------- */
.footer {
  background: var(--teal-900);
  color: rgba(255, 255, 255, 0.85);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
}

.footer-tagline {
  color: var(--teal-100);
  letter-spacing: 1px;
}

.filing-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s;
}

.filing-link img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.filing-link:hover {
  color: #ffffff;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .nav-links {
    gap: 16px;
  }
  .nav-links a {
    font-size: 14px;
  }
  .brand-text {
    font-size: 14px;
  }
  .hero {
    padding: 80px 0 90px;
  }
  .section {
    padding: 64px 0;
  }
  .about-stats {
    gap: 32px;
  }
  .stat-num {
    font-size: 32px;
  }
}