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

html,
body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #1f2933;
  background-color: #f5f5f7;
}

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

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

button,
input,
textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.topbar {
  background-color: #b50000;
  color: #fff;
  font-size: 12px;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 32px;
  gap: 12px;
}

.topbar-left span + span,
.topbar-right span + span {
  margin-left: 16px;
}

.phone-image {
  height: 20px;
  vertical-align: middle;
}

.topbar-phone {
  display: inline-flex;
  align-items: center;
}

:root[lang="en"] .phone-image-zh {
  display: none;
}

:root[lang="zh-CN"] .phone-image-en {
  display: none;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff3434, #b50000);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 1px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 15px;
  font-weight: 700;
  color: #111827;
}

.logo-subtitle {
  font-size: 11px;
  color: #6b7280;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.nav-links a {
  position: relative;
  padding: 4px 0;
  color: #374151;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: #e11d48;
  transition: width 0.2s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  font-size: 14px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn {
  border: 1px solid #e5e7eb;
  background: #ffffff;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: #111827;
  color: #ffffff;
  border-color: #111827;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background-color: #111827;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #ff3434, #b50000);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(220, 38, 38, 0.4);
}

.btn-outline {
  border-color: #e11d48;
  color: #e11d48;
  background-color: #fff;
}

.btn-outline:hover {
  background-color: #fef2f2;
}

.btn-block {
  width: 100%;
}

.hero {
  position: relative;
  padding: 110px 0 130px;
  overflow: hidden;
  min-height: 700px;
  display: flex;
  align-items: center;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: blur(5px) brightness(0.78);
}

.hero-bg-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.45) 50%, rgba(250, 250, 250, 0.55) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.98fr);
  gap: 65px;
  align-items: center;
}


.hero-content {
  position: relative;
  z-index: 2;
}

.hero-kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #e11d48;
  font-weight: 700;
  margin-bottom: 20px;
  display: block;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.22;
  margin: 0 0 24px;
  color: #0f172a;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.hero-desc {
  font-size: 16px;
  color: #374151;
  max-width: 550px;
  margin-bottom: 34px;
  line-height: 1.72;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 13px;
  color: #374151;
  margin-top: 0;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.09);
}

.hero-meta > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-meta strong {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
  font-weight: 700;
  margin-bottom: 2px;
}

.hero-meta span {
  color: #0f172a;
  font-weight: 500;
  font-size: 14px;
  line-height: 1.5;
}

.hero-media {
  position: relative;
  z-index: 2;
  height: 100%;
}

.hero-panel {
  background: #ffffff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 20px 65px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  height: fit-content;
}

.hero-badge {
  color: #9ca3af;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 20px;
  text-align: left;
  padding: 0;
  line-height: 1.5;
}

.hero-card.secondary {
  background: #111827;
  color: #e5e7eb;
  padding: 28px 30px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.hero-image-in-panel {
  width: 100%;
  height: 260px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
}

.hero-image-in-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-card {
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.hero-card.main {
  background: transparent;
  border: none;
  margin: 0;
  padding-top: 0;
}

.hero-card.secondary h4 {
  margin: 0 0 18px;
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.hero-card.secondary ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-card.secondary ul li {
  padding: 10px 0;
  font-size: 14px;
  color: #ffffff;
  position: relative;
  padding-left: 30px;
  line-height: 1.62;
  display: flex;
  align-items: center;
}

.hero-card.secondary ul li:first-child {
  padding-top: 0;
}

.hero-card.secondary ul li:last-child {
  padding-bottom: 0;
}

.hero-card.secondary ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
}

.hero-card.secondary ul li::after {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: #b50000;
  border-radius: 1px;
}

.hero-card.main h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.38;
  letter-spacing: -0.01em;
}

.hero-card.main p {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
  line-height: 1.72;
  font-weight: 400;
}

.hero-card.secondary ul {
  padding-left: 16px;
}

.hero-card.secondary li {
  font-size: 13px;
  margin-bottom: 4px;
  list-style: disc;
}

.section {
  padding: 64px 0;
  background-color: #f9fafb;
}

.section-light {
  background-color: #ffffff;
}

.section-dark {
  background: radial-gradient(circle at top, #111827, #020617);
  color: #e5e7eb;
}

.section-accent {
  background: linear-gradient(135deg, #111827, #b50000);
  color: #f9fafb;
}

.section-header {
  margin-bottom: 32px;
}

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

.section-header.light h2,
.section-header.light .section-kicker,
.section-header.light .section-desc {
  color: #e5e7eb;
}

.section-kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #e11d48;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-dark .section-kicker,
.section-accent .section-kicker {
  color: #f97373;
}

.section h2 {
  font-size: 28px;
  margin: 0 0 8px;
  color: #111827;
}

.section-dark h2,
.section-accent h2 {
  color: #f9fafb;
}

.section-desc {
  font-size: 14px;
  color: #6b7280;
  max-width: 640px;
}

.section-dark .section-desc {
  color: #9ca3af;
}

.grid {
  display: grid;
  gap: 20px;
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

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

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

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

.card {
  background-color: #ffffff;
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}

.section-dark .card {
  background: rgba(15, 23, 42, 0.7);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.8);
}

.icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: #fef2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.service-icon {
  width: 32px;
  height: 32px;
  display: block;
}

.icon {
  font-size: 20px;
}

.service-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.service-card p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 12px;
}

.dot-list {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  color: #4b5563;
}

.dot-list li {
  list-style: disc;
  margin-bottom: 4px;
}

.stat-card {
  text-align: left;
}

.stat-value {
  display: inline-flex;
  align-items: baseline;
  font-size: 32px;
  font-weight: 700;
  color: #b50000;
  margin-bottom: 4px;
}

.stat-value .suffix {
  font-size: 20px;
  margin-left: 2px;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: #111827;
  margin-bottom: 6px;
}

.stat-card p {
  font-size: 13px;
  color: #4b5563;
}

.section-dark .stat-card p {
  color: #cbd5f5;
}

.team-card .avatar {
  width: 80px;
  height: 80px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97373, #b50000);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  margin: 0 auto 16px;
  overflow: hidden;
  position: relative;
}

.team-card .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card .avatar.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card h3 {
  margin: 0 0 4px;
}

.team-card .role {
  font-size: 13px;
  color: #9ca3af;
  margin-bottom: 8px;
}

.team-card p {
  font-size: 13px;
  color: #d1d5db;
}

.case-image {
  width: 100%;
  height: 180px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  background: #f9fafb;
  position: relative;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.05);
}

.case-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.case-card p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 12px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-list li {
  padding: 4px 10px;
  border-radius: 999px;
  background-color: #f9fafb;
  font-size: 12px;
  color: #6b7280;
}

.news-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-image {
  width: 100%;
  height: 160px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
  background: #f9fafb;
  position: relative;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-tag {
  font-size: 12px;
  color: #b91c1c;
  font-weight: 600;
}

.news-card h3 {
  margin: 0;
  font-size: 17px;
}

.news-card p {
  font-size: 14px;
  color: #4b5563;
}

.news-meta {
  font-size: 12px;
  color: #9ca3af;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: flex-start;
}

.contact-info p {
  font-size: 14px;
  color: #e5e7eb;
}

.contact-list {
  margin-top: 16px;
  font-size: 14px;
}

.contact-list li + li {
  margin-top: 4px;
}

.contact-form label {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
  color: #111827;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #e11d48;
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-field {
  margin-bottom: 12px;
}

.form-note {
  margin-top: 8px;
  font-size: 12px;
  color: #6b7280;
}

.footer {
  background-color: #020617;
  color: #9ca3af;
  padding-top: 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(55, 65, 81, 0.6);
}

.footer-col h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: #e5e7eb;
}

.footer-desc {
  font-size: 13px;
  margin-top: 12px;
  color: #9ca3af;
}

.footer-links {
  font-size: 13px;
}

.footer-links li + li {
  margin-top: 6px;
}

.footer-links a:hover {
  color: #f97373;
}

.footer-bottom {
  padding: 12px 0 18px;
  background-color: #020617;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: #6b7280;
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-media {
    order: -1;
    min-height: 220px;
  }

  .contact-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 6px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    inset: 100% 0 auto 0;
    background-color: #ffffff;
    flex-direction: column;
    padding: 10px 16px 16px;
    border-bottom: 1px solid #e5e7eb;
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }

  .navbar.open .nav-links {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .section {
    padding: 48px 0;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-card.secondary {
    display: none;
  }

  .hero-card.main {
    right: 0;
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
}