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

:root {
  color-scheme: light;
  --brand-dark: #1a1a1a;
  --brand-gold: #e8b923;
  --brand-soft: #f6f6f6;
  --text-main: #1f1f1f;
  --text-muted: #6b6b6b;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.08);
}

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

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

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

.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #fff;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 2px;
}

.nav-list {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-list a {
  position: relative;
  padding-bottom: 4px;
  font-size: 15px;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--brand-gold);
  transition: width 0.3s ease;
}

.nav-list a:hover::after,
.nav-list a:focus::after {
  width: 100%;
}

.hero {
  min-height: 680px;
  margin-top: 80px;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.45)),
    url("https://images.pexels.com/photos/1983046/pexels-photo-1983046.jpeg?auto=compress&cs=tinysrgb&w=1920")
      center/cover no-repeat;
  color: #fff;
}

.hero-content {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.2;
  margin-bottom: 18px;
}

.hero p {
  font-size: clamp(16px, 2vw, 22px);
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.88);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: 999px;
  background: var(--brand-gold);
  color: #1a1a1a;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(232, 185, 35, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-btn:hover,
.cta-btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(232, 185, 35, 0.45);
}

.section {
  padding: 80px 0;
}

.section.gray {
  background: var(--brand-soft);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 12px;
}

.section-title p {
  color: var(--text-muted);
}

.grid-3 {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.card-body p {
  color: var(--text-muted);
  font-size: 15px;
}

.gallery {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.gallery-item img {
  height: 260px;
  width: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: #fff;
}

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

.testimonial-card {
  background: #fff;
  border-radius: 14px;
  padding: 24px;
  border-left: 4px solid var(--brand-gold);
  box-shadow: var(--shadow-soft);
}

.testimonial-card p {
  color: var(--text-muted);
  margin-bottom: 18px;
  font-style: italic;
}

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

.client img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
}

.client span {
  display: block;
  color: var(--text-muted);
  font-size: 13px;
}

.stats {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  text-align: center;
}

.stat {
  background: #fff;
  padding: 26px 16px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.stat strong {
  font-size: 28px;
  color: var(--brand-dark);
}

.stat span {
  display: block;
  color: var(--text-muted);
  margin-top: 6px;
}

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

.steps {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.step-card {
  background: #fff;
  padding: 22px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.step-card span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--brand-gold);
  font-weight: 600;
}

.pricing {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.price-card {
  background: #fff;
  padding: 24px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.price-card h3 {
  margin-bottom: 10px;
}

.price-card strong {
  font-size: 26px;
  color: var(--brand-dark);
}

.price-card ul {
  margin-top: 14px;
  color: var(--text-muted);
}

.faq {
  display: grid;
  gap: 16px;
}

.faq-item {
  background: #fff;
  padding: 20px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.faq-item h4 {
  margin-bottom: 8px;
}

.logo-strip {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  text-align: center;
  color: var(--text-muted);
}

.logo-strip div {
  padding: 16px 12px;
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  font-weight: 600;
  letter-spacing: 1px;
}

.contact-card {
  background: #fff;
  padding: 24px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.contact-card h4 {
  margin-bottom: 8px;
}

.site-footer {
  background: #111;
  color: #fff;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 26px;
}

.footer-grid h3 {
  color: var(--brand-gold);
  margin-bottom: 12px;
  font-size: 18px;
}

.footer-grid a {
  display: block;
  color: #ddd;
  margin-bottom: 8px;
  font-size: 14px;
}

.footer-grid p {
  color: #d3d3d3;
  font-size: 14px;
}

.copyright {
  text-align: center;
  color: #aaa;
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 18px;
}

.page-hero {
  margin-top: 80px;
  padding: 70px 0;
  background: var(--brand-dark);
  color: #fff;
}

.page-hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.78);
  margin-top: 12px;
}

.content-block {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.content-block li {
  color: var(--text-muted);
  margin-bottom: 8px;
}

.seo-note {
  background: #fff6dd;
  border-left: 4px solid var(--brand-gold);
  padding: 18px 20px;
  border-radius: 10px;
  color: #7a5a00;
  margin-top: 30px;
}

@media (max-width: 768px) {
  .nav-wrap {
    flex-direction: column;
    gap: 14px;
  }

  .nav-list {
    flex-wrap: wrap;
    justify-content: center;
  }

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