 :root {
   --primary-color: #0052cc;
   --primary-dark: #003a99;
   --accent-color: #ff9f1c;
   --text-color: #222222;
   --muted-text: #666666;
   --bg-light: #f5f7fb;
   --border-color: #e0e4ef;
   --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
   --radius-lg: 18px;
   --radius-md: 12px;
   --radius-sm: 8px;
   --max-width: 1180px;
   --transition-fast: 0.18s ease-out;
   --transition-medium: 0.25s ease-out;
   --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
     "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
 }

 * {
   box-sizing: border-box;
 }

 html,
 body {
   margin: 0;
   padding: 0;
   font-family: var(--font-sans);
   color: var(--text-color);
   background: #ffffff;
 }

 body {
   line-height: 1.6;
 }

 img {
   max-width: 100%;
   display: block;
 }

 a {
   color: inherit;
   text-decoration: none;
 }

 .page {
   min-height: 100vh;
   display: flex;
   flex-direction: column;
   background: radial-gradient(circle at top left, #e0ecff 0, #ffffff 40%, #ffffff 100%);
 }

 .container {
   width: 100%;
   max-width: var(--max-width);
   margin: 0 auto;
   padding: 0 20px;
 }

 /* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

 .header-inner {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 14px 20px;
   gap: 22px;
 }

 .logo {
   display: flex;
   align-items: center;
   gap: 10px;
   font-weight: 700;
   font-size: 20px;
   letter-spacing: 0.04em;
 }

 .logo-mark {
   width: 34px;
   height: 34px;
   border-radius: 30% 70% 60% 40%;
   background: radial-gradient(circle at 30% 30%, #ffffff, #0052cc);
   box-shadow: 0 10px 25px rgba(15, 23, 42, 0.25);
   display: flex;
   align-items: center;
   justify-content: center;
   color: #ffffff;
   font-size: 14px;
 }

 .logo-text-main {
  display: block;
  color: #f8fafc;
}

.logo-text-sub {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

 /* 控制logo大小，避免过大 */
 .logo-img {
  width: 50px; /* 增大logo尺寸，更醒目 */
  height: auto; /* 保持宽高比，防止变形 */
  border-radius: 6px; /* 轻微圆角，与整体风格统一 */
  transition: transform 0.2s ease;
}

.logo-img:hover {
  transform: scale(1.05);
}

/* 让logo和文字区域横向排列（原有.logo的flex已生效） */
.logo-content {
  display: flex;
  align-items: center;
  gap: 8px; /* 调整OG标识和文字的间距 */
}

 .nav {
   display: flex;
   align-items: center;
   gap: 24px;
 }

 .nav-links {
   display: flex;
   align-items: center;
   gap: 20px;
   font-size: 14px;
 }

 .nav-link {
  position: relative;
  padding: 4px 0;
  color: #cbd5e1;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #60a5fa, #22c1c3);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: #60a5fa;
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

 .lang-switcher {
   display: flex;
   align-items: center;
   gap: 8px;
   padding-left: 18px;
   border-left: 1px solid rgba(148, 163, 184, 0.4);
   font-size: 13px;
   color: var(--muted-text);
 }

 .lang-pill {
   padding: 4px 9px;
   border-radius: 999px;
   border: 1px solid rgba(148, 163, 184, 0.4);
   cursor: pointer;
   transition: all var(--transition-fast);
   background: rgba(255, 255, 255, 0.8);
 }

 .lang-pill:hover {
   border-color: var(--primary-color);
   color: var(--primary-color);
 }

 .lang-pill.active {
   border-color: var(--primary-color);
   background: linear-gradient(135deg, #0052cc, #0f60ff);
   color: #ffffff;
   box-shadow: 0 12px 25px rgba(15, 23, 42, 0.24);
 }

 .mobile-nav-toggle {
   display: none;
   background: none;
   border: none;
   cursor: pointer;
 }

 .mobile-nav-toggle span {
  display: block;
  width: 21px;
  height: 2px;
  background: #f8fafc;
  border-radius: 999px;
  position: relative;
}

.mobile-nav-toggle span::before,
.mobile-nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 21px;
  height: 2px;
  background: #f8fafc;
  border-radius: 999px;
}

 .mobile-nav-toggle span::before {
   top: -6px;
 }

 .mobile-nav-toggle span::after {
   top: 6px;
 }

 /* Hero (home only) */

 .hero {
   padding: 60px 0 50px;
 }

 .hero-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 100vh;
}

 .hero-badge {
   display: inline-flex;
   align-items: center;
   gap: 8px;
   padding: 4px 10px 4px 4px;
   border-radius: 999px;
   background: rgba(219, 234, 254, 0.9);
   color: #1d4ed8;
   font-size: 11px;
   margin-bottom: 14px;
 }

 .hero-badge-pill {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   width: 22px;
   height: 22px;
   border-radius: 999px;
   background: linear-gradient(135deg, #0f60ff, #22c1c3);
   color: #ffffff;
   font-size: 12px;
   box-shadow: 0 10px 24px rgba(59, 130, 246, 0.55);
 }

 .hero-title {
   font-size: 34px;
   line-height: 1.18;
   font-weight: 800;
   letter-spacing: 0.01em;
   margin-bottom: 14px;
 }

 .hero-title span {
   color: var(--primary-color);
 }

 .hero-subtitle {
   font-size: 14px;
   color: var(--muted-text);
   max-width: 480px;
   margin-bottom: 22px;
 }

 .hero-actions {
   display: flex;
   align-items: center;
   gap: 16px;
   margin-bottom: 18px;
 }

 .btn-primary {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   gap: 8px;
   padding: 10px 20px;
   border-radius: 999px;
   background: linear-gradient(135deg, #0052cc, #0f60ff);
   color: #ffffff;
   font-weight: 600;
   font-size: 14px;
   border: none;
   cursor: pointer;
   box-shadow: 0 18px 40px rgba(15, 23, 42, 0.42);
   transition: transform var(--transition-fast),
     box-shadow var(--transition-fast), background var(--transition-fast);
 }

 .btn-primary:hover {
   transform: translateY(-1px);
   box-shadow: 0 22px 45px rgba(15, 23, 42, 0.48);
   background: linear-gradient(135deg, var(--primary-dark), #0f60ff);
 }

 .btn-ghost {
   display: inline-flex;
   align-items: center;
   gap: 6px;
   padding: 8px 10px;
   border-radius: 999px;
   background: rgba(255, 255, 255, 0.6);
   border: 1px dashed rgba(148, 163, 184, 0.7);
   color: var(--muted-text);
   font-size: 12px;
 }

 .hero-meta {
   display: flex;
   align-items: center;
   flex-wrap: wrap;
   gap: 14px;
   font-size: 11px;
   color: var(--muted-text);
 }

 .hero-meta strong {
   color: var(--primary-color);
 }

 .hero-visual {
   position: relative;
 }

 .hero-card {
   position: relative;
   border-radius: 32px;
   padding: 22px 22px 18px;
   background: linear-gradient(160deg, #0f172a, #020617);
   color: #e5e7eb;
   box-shadow: 0 30px 80px rgba(15, 23, 42, 0.75);
   overflow: hidden;
 }

 .hero-card-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   margin-bottom: 18px;
 }

 .hero-chip {
   font-size: 11px;
   padding: 4px 10px;
   border-radius: 999px;
   background: rgba(15, 23, 42, 0.8);
   border: 1px solid rgba(148, 163, 184, 0.4);
 }

 .hero-card-title {
   font-size: 15px;
   font-weight: 600;
   margin-bottom: 6px;
 }

 .hero-card-sub {
   font-size: 12px;
   color: #9ca3af;
   margin-bottom: 12px;
 }

 .hero-stats {
   display: grid;
   grid-template-columns: repeat(3, minmax(0, 1fr));
   gap: 10px;
   margin-bottom: 14px;
 }

 .hero-stat {
   padding: 9px 10px;
   border-radius: 14px;
   background: radial-gradient(
     circle at top left,
     rgba(37, 99, 235, 0.35),
     rgba(15, 23, 42, 0.96)
   );
   border: 1px solid rgba(148, 163, 184, 0.5);
 }

 .hero-stat-label {
   font-size: 10px;
   color: #9ca3af;
 }

 .hero-stat-value {
   font-size: 14px;
   font-weight: 600;
 }

 .hero-progress {
   margin-top: 6px;
   height: 4px;
   border-radius: 999px;
   background: rgba(15, 23, 42, 1);
   overflow: hidden;
 }

 .hero-progress-bar {
   height: 100%;
   width: 70%;
   border-radius: inherit;
   background: linear-gradient(90deg, #22c55e, #eab308);
 }

 .hero-floating-card {
   position: absolute;
   right: -10px;
   bottom: -12px;
   width: 160px;
   border-radius: 22px;
   padding: 10px 12px;
   background: rgba(15, 23, 42, 0.96);
   border: 1px solid rgba(148, 163, 184, 0.4);
   box-shadow: 0 20px 40px rgba(15, 23, 42, 0.8);
   font-size: 11px;
 }

 .hero-floating-tag {
   display: inline-flex;
   align-items: center;
   gap: 6px;
   padding: 3px 7px;
   border-radius: 999px;
   background: rgba(15, 23, 42, 0.9);
   border: 1px solid rgba(148, 163, 184, 0.5);
   font-size: 10px;
   margin-bottom: 6px;
 }

 .hero-glow {
   position: absolute;
   inset: -40%;
   background: radial-gradient(
     circle at 0 0,
     rgba(56, 189, 248, 0.25),
     transparent 45%
   );
   opacity: 0.9;
   pointer-events: none;
 }

 /* Sections */

 .section {
   padding: 40px 0;
 }

 .section-header {
   text-align: center;
   margin-bottom: 26px;
 }

 .section-eyebrow {
   font-size: 11px;
   letter-spacing: 0.16em;
   text-transform: uppercase;
   color: #6b7280;
   margin-bottom: 6px;
 }

 .section-title {
   font-size: 22px;
   font-weight: 700;
   margin-bottom: 4px;
 }

 .section-subtitle {
   font-size: 13px;
   color: var(--muted-text);
 }

 /* Service highlights */

 .grid {
   display: grid;
   gap: 18px;
 }

 .grid-4 {
   grid-template-columns: repeat(4, minmax(0, 1fr));
 }

 .grid-3 {
   grid-template-columns: repeat(3, minmax(0, 1fr));
 }

 .grid-2 {
   grid-template-columns: repeat(2, minmax(0, 1fr));
 }

 .card {
   border-radius: var(--radius-lg);
   padding: 18px 18px 16px;
   background: rgba(255, 255, 255, 0.96);
   box-shadow: var(--shadow-soft);
   border: 1px solid rgba(226, 232, 240, 0.9);
   position: relative;
   overflow: hidden;
 }

 .card::before {
   content: "";
   position: absolute;
   inset: 0;
   background: radial-gradient(
     circle at 0 0,
     rgba(59, 130, 246, 0.12),
     transparent 55%
   );
   opacity: 0;
   transition: opacity var(--transition-medium);
   pointer-events: none;
 }

 .card:hover::before {
   opacity: 1;
 }

 .card-header {
   display: flex;
   gap: 10px;
   margin-bottom: 8px;
 }

 .card-icon {
   width: 32px;
   height: 32px;
   border-radius: 14px;
   display: flex;
   align-items: center;
   justify-content: center;
   background: linear-gradient(135deg, #eff6ff, #e0f2fe);
   color: #1d4ed8;
   font-size: 18px;
   flex-shrink: 0;
 }

 .card-title {
   font-size: 15px;
   font-weight: 600;
   margin-bottom: 2px;
 }

 .card-tagline {
   font-size: 11px;
   color: #6b7280;
 }

 .card-body {
   font-size: 13px;
   color: var(--muted-text);
 }

 .card-footer {
   margin-top: 10px;
   font-size: 11px;
   color: #6b7280;
 }

 /* Case studies on home */

 .case-list {
   display: grid;
   grid-template-columns: repeat(3, minmax(0, 1fr));
   gap: 18px;
 }

 .case-card-image {
   border-radius: 14px;
   height: 120px;
   background: linear-gradient(135deg, #0369a1, #4f46e5);
   position: relative;
   overflow: hidden;
   margin-bottom: 10px;
 }

 .case-card-image::after {
   content: "";
   position: absolute;
   inset: 0;
   background-image: linear-gradient(
       135deg,
       rgba(255, 255, 255, 0.14) 0,
       transparent 55%
     ),
     radial-gradient(
       circle at top right,
       rgba(96, 165, 250, 0.7),
       transparent 58%
     );
   mix-blend-mode: screen;
 }

 .case-meta {
   font-size: 11px;
   color: #6b7280;
   display: flex;
   justify-content: space-between;
   gap: 6px;
   margin-bottom: 4px;
 }

 .case-title {
   font-size: 13px;
   font-weight: 600;
   margin-bottom: 4px;
 }

 .case-desc {
   font-size: 12px;
   color: var(--muted-text);
 }

 .card-cta {
   margin-top: 14px;
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: 10px;
   font-size: 12px;
 }

 .link-arrow {
   font-size: 12px;
   color: var(--primary-color);
 }

 /* Testimonials */

 .testimonials {
   background: radial-gradient(circle at top, #e0f2fe, #f9fafb 55%);
 }

 .testimonial-carousel {
   position: relative;
 }

 .testimonial-track {
   display: flex;
   gap: 18px;
   overflow: hidden;
 }

 .testimonial-card {
   min-width: 0;
   flex: 1;
   border-radius: var(--radius-lg);
   padding: 18px 18px 14px;
   background: rgba(255, 255, 255, 0.98);
   border: 1px solid rgba(226, 232, 240, 0.9);
   box-shadow: var(--shadow-soft);
 }

 .testimonial-header {
   display: flex;
   align-items: center;
   gap: 10px;
   margin-bottom: 10px;
 }

 .avatar {
   width: 36px;
   height: 36px;
   border-radius: 50%;
   background: linear-gradient(135deg, #f97316, #facc15);
   display: flex;
   align-items: center;
   justify-content: center;
   color: #ffffff;
   font-weight: 600;
 }

 .testimonial-company {
   font-size: 13px;
   font-weight: 600;
 }

 .testimonial-role {
   font-size: 11px;
   color: #6b7280;
 }

 .testimonial-content {
   font-size: 13px;
   color: var(--muted-text);
 }

 .testimonial-controls {
   margin-top: 16px;
   display: flex;
   justify-content: flex-end;
   gap: 8px;
 }

 .circle-btn {
   width: 26px;
   height: 26px;
   border-radius: 999px;
   border: 1px solid rgba(148, 163, 184, 0.7);
   background: rgba(255, 255, 255, 0.8);
   display: flex;
   align-items: center;
   justify-content: center;
   cursor: pointer;
   font-size: 13px;
   color: #6b7280;
   transition: all var(--transition-fast);
 }

 .circle-btn:hover {
   border-color: var(--primary-color);
   color: var(--primary-color);
 }

 /* News */

 .news-list {
   display: grid;
   grid-template-columns: repeat(3, minmax(0, 1fr));
   gap: 16px;
 }

 .news-item {
   padding: 14px 16px 12px;
   border-radius: var(--radius-md);
   border: 1px solid rgba(226, 232, 240, 0.9);
   background: rgba(255, 255, 255, 0.96);
 }

 .news-meta {
   font-size: 11px;
   color: #9ca3af;
   margin-bottom: 6px;
 }

 .news-title {
   font-size: 13px;
   font-weight: 600;
   margin-bottom: 4px;
 }

 .news-excerpt {
   font-size: 12px;
   color: var(--muted-text);
   margin-bottom: 8px;
 }

 .news-link {
   font-size: 12px;
   color: var(--primary-color);
 }

 /* Footer */

 .site-footer {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

 .footer-inner {
   padding: 20px 20px 14px;
 }

 .footer-top {
   display: grid;
   grid-template-columns: 2fr 1.2fr 1.2fr;
   gap: 24px;
   margin-bottom: 12px;
 }

 .footer-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #f8fafc;
}

.footer-text {
  font-size: 12px;
  color: #94a3b8;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: #60a5fa;
}

 .social-links {
   display: flex;
   gap: 8px;
   margin-top: 6px;
 }

 .social-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 14px;
  color: #94a3b8;
  transition: all var(--transition-fast);
}

.social-pill:hover {
  background: #60a5fa;
  border-color: #60a5fa;
  color: #ffffff;
}

 .social-icon {
  width: 14px;
  height: 14px;
  display: block;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 10px;
  font-size: 11px;
  color: #64748b;
  margin-top: 8px;
}

 /* Subpage layouts */

 .page-hero {
   padding: 40px 0 26px;
 }

 .page-hero-title {
   font-size: 26px;
   font-weight: 700;
   margin-bottom: 8px;
 }

 .page-hero-subtitle {
   font-size: 13px;
   color: var(--muted-text);
   max-width: 520px;
 }

 .pill-row {
   display: flex;
   flex-wrap: wrap;
   gap: 8px;
   margin-top: 12px;
 }

 .pill {
   padding: 4px 10px;
   border-radius: 999px;
   background: rgba(239, 246, 255, 0.95);
   font-size: 11px;
   color: #1d4ed8;
 }

 /* Services page */

 .service-section {
   padding: 10px 0 30px;
 }

 .service-grid {
   display: grid;
   grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
   gap: 24px;
   margin-bottom: 20px;
 }

 .service-text-title {
   font-size: 18px;
   font-weight: 600;
   margin-bottom: 6px;
 }

 .service-text-sub {
   font-size: 13px;
   color: var(--muted-text);
   margin-bottom: 10px;
 }

 .service-text-body {
   font-size: 13px;
   color: var(--muted-text);
 }

 .service-side-card {
   padding: 14px 14px 10px;
   border-radius: var(--radius-md);
   border: 1px dashed rgba(148, 163, 184, 0.8);
   background: rgba(249, 250, 251, 0.96);
   font-size: 12px;
   color: var(--muted-text);
 }

 .chart-placeholder {
   height: 130px;
   border-radius: var(--radius-md);
   background: repeating-linear-gradient(
       -45deg,
       #e5e7eb,
       #e5e7eb 8px,
       #f9fafb 8px,
       #f9fafb 16px
     );
   position: relative;
   overflow: hidden;
 }

 .chart-placeholder::after {
   content: "图表示意，可替换为真实数据图";
   position: absolute;
   bottom: 8px;
   right: 10px;
   font-size: 11px;
   color: #6b7280;
 }

 .process-flow {
   margin-top: 10px;
   padding: 14px 16px 10px;
   border-radius: var(--radius-lg);
   background: rgba(248, 250, 252, 0.96);
   border: 1px solid rgba(226, 232, 240, 0.9);
 }

 .process-steps {
   display: grid;
   grid-template-columns: repeat(4, minmax(0, 1fr));
   gap: 14px;
   margin-top: 10px;
 }

 .process-step {
   position: relative;
   padding: 10px 10px 8px;
   border-radius: var(--radius-md);
   background: #ffffff;
   border: 1px solid rgba(226, 232, 240, 0.9);
   font-size: 12px;
   color: var(--muted-text);
 }

 .process-step-number {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   width: 20px;
   height: 20px;
   border-radius: 999px;
   background: rgba(59, 130, 246, 0.1);
   color: #1d4ed8;
   font-size: 11px;
   margin-bottom: 4px;
 }

 /* Cases page */

 .case-filters {
   display: flex;
   flex-wrap: wrap;
   gap: 8px;
   margin-bottom: 16px;
 }

 .filter-pill {
   padding: 5px 11px;
   border-radius: 999px;
   border: 1px solid rgba(209, 213, 219, 0.9);
   font-size: 12px;
   color: #4b5563;
   background: #ffffff;
   cursor: pointer;
 }

 .filter-pill.active {
   border-color: var(--primary-color);
   color: var(--primary-color);
   background: rgba(239, 246, 255, 0.95);
 }

 .case-grid {
   display: grid;
   grid-template-columns: repeat(3, minmax(0, 1fr));
   gap: 18px;
 }

 .case-card-full {
   border-radius: var(--radius-lg);
   overflow: hidden;
   border: 1px solid rgba(226, 232, 240, 0.9);
   background: #ffffff;
   display: flex;
   flex-direction: column;
 }

 .case-card-body {
   padding: 14px 16px 12px;
   font-size: 13px;
   color: var(--muted-text);
 }

 .badge-row {
   display: flex;
   flex-wrap: wrap;
   gap: 6px;
   margin-top: 8px;
 }

 .badge {
   padding: 3px 7px;
   border-radius: 999px;
   background: rgba(239, 246, 255, 0.95);
   font-size: 11px;
   color: #1d4ed8;
 }

 .share-row {
   margin-top: 10px;
   display: flex;
   justify-content: space-between;
   align-items: center;
   font-size: 12px;
 }

 /* About page */

 .timeline {
   position: relative;
   padding-left: 18px;
   margin-top: 12px;
 }

 .timeline::before {
   content: "";
   position: absolute;
   left: 6px;
   top: 0;
   bottom: 0;
   width: 2px;
   background: linear-gradient(to bottom, #93c5fd, #d1d5db);
 }

 .timeline-item {
   position: relative;
   margin-bottom: 12px;
   padding-left: 12px;
 }

 .timeline-dot {
   position: absolute;
   left: -2px;
   top: 4px;
   width: 9px;
   height: 9px;
   border-radius: 999px;
   background: #ffffff;
   border: 2px solid #1d4ed8;
 }

 .timeline-year {
   font-size: 12px;
   font-weight: 600;
   margin-bottom: 2px;
 }

 .timeline-text {
   font-size: 12px;
   color: var(--muted-text);
 }

 .team-grid {
   display: grid;
   grid-template-columns: repeat(4, minmax(0, 1fr));
   gap: 16px;
 }

 .team-card {
   padding: 14px 14px 10px;
   border-radius: var(--radius-lg);
   border: 1px solid rgba(226, 232, 240, 0.9);
   background: rgba(255, 255, 255, 0.98);
   text-align: center;
   font-size: 12px;
 }

 .team-avatar {
   width: 54px;
   height: 54px;
   border-radius: 999px;
   margin: 0 auto 8px;
   background: linear-gradient(135deg, #0ea5e9, #6366f1);
   display: flex;
   align-items: center;
   justify-content: center;
   color: #ffffff;
   font-size: 20px;
   font-weight: 600;
 }

 .team-name {
   font-size: 13px;
   font-weight: 600;
 }

 .team-role {
   font-size: 11px;
   color: #6b7280;
   margin-bottom: 4px;
 }

 .team-desc {
   font-size: 12px;
   color: var(--muted-text);
 }

 .partner-logos {
   display: flex;
   flex-wrap: wrap;
   gap: 10px;
   margin-top: 10px;
 }

 .partner-logo {
   flex: 0 0 auto;
   padding: 6px 10px;
   border-radius: 999px;
   border: 1px solid rgba(209, 213, 219, 0.9);
   font-size: 12px;
   color: #4b5563;
   background: #ffffff;
 }

 /* Contact page */

 .contact-layout {
   display: grid;
   grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
   gap: 26px;
   padding-bottom: 32px;
 }

 .contact-info-block {
   padding: 16px 18px 12px;
   border-radius: var(--radius-lg);
   border: 1px solid rgba(226, 232, 240, 0.9);
   background: rgba(255, 255, 255, 0.98);
 }

 .contact-info-list {
   list-style: none;
   padding: 0;
   margin: 0;
   font-size: 13px;
   color: var(--muted-text);
 }

 .contact-info-list li + li {
   margin-top: 4px;
 }

 .contact-map {
  margin-top: 10px;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #f1f5f9;
}

 .form {
   padding: 16px 18px 14px;
   border-radius: var(--radius-lg);
   border: 1px solid rgba(226, 232, 240, 0.9);
   background: rgba(255, 255, 255, 0.98);
 }

 .form-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
   gap: 12px 14px;
 }

 .form-group {
   display: flex;
   flex-direction: column;
   gap: 4px;
   font-size: 12px;
 }

 .form-group-full {
   grid-column: 1 / -1;
 }

 .form-label {
   font-weight: 500;
   color: #374151;
 }

 .form-label span {
   color: #ef4444;
   margin-left: 2px;
 }

 .form-input,
 .form-select,
 .form-textarea {
   border-radius: 9px;
   border: 1px solid rgba(209, 213, 219, 0.9);
   padding: 7px 9px;
   font-size: 13px;
   font-family: inherit;
   outline: none;
   transition: border-color var(--transition-fast),
     box-shadow var(--transition-fast), background var(--transition-fast);
 }

 .form-input:focus,
 .form-select:focus,
 .form-textarea:focus {
   border-color: var(--primary-color);
   box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.18);
   background: #ffffff;
 }

 .form-textarea {
   resize: vertical;
   min-height: 90px;
 }

 .form-actions {
   margin-top: 12px;
   display: flex;
   justify-content: flex-end;
 }

 .form-note {
   margin-top: 8px;
   font-size: 11px;
   color: #6b7280;
 }

 .form-success {
   margin-top: 8px;
   font-size: 12px;
   color: #15803d;
   display: none;
 }

 .form-success.visible {
   display: block;
 }

 /* Utilities */

 .mt-sm {
   margin-top: 8px;
 }

 .mt-md {
   margin-top: 16px;
 }

 .mt-lg {
   margin-top: 24px;
 }

 .tag {
   display: inline-block;
   padding: 3px 8px;
   border-radius: 999px;
   background: rgba(239, 246, 255, 0.95);
   font-size: 11px;
   color: #1d4ed8;
 }

 .muted {
   color: var(--muted-text);
 }

 /* Responsive */

 @media (max-width: 960px) {
   .hero-inner {
     grid-template-columns: minmax(0, 1.1fr);
   }

   .hero-visual {
     order: -1;
   }

   .case-list,
   .news-list,
   .case-grid,
   .team-grid,
   .process-steps {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }

   .footer-top {
     grid-template-columns: 1.6fr 1.2fr;
   }

   .service-grid,
   .contact-layout {
     grid-template-columns: minmax(0, 1.1fr);
   }
 }

 @media (max-width: 720px) {
   .header-inner {
     padding-inline: 16px;
   }

   .nav-links {
    position: fixed;
    left: 0;
    right: 0;
    top: 56px;
    padding: 10px 20px 14px;
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
  }

   .nav-links.open {
     transform: translateY(0);
     opacity: 1;
     pointer-events: auto;
   }

   .lang-switcher {
     display: none;
   }

   .mobile-nav-toggle {
     display: block;
   }

   .hero {
     padding-top: 36px;
   }

   .hero-title {
     font-size: 26px;
   }

   .section {
     padding: 30px 0;
   }

   .case-list,
   .news-list,
   .case-grid,
   .team-grid {
     grid-template-columns: minmax(0, 1fr);
   }

   .footer-top {
     grid-template-columns: minmax(0, 1fr);
   }

   .contact-layout {
     gap: 20px;
   }
 }

 @media (max-width: 480px) {
   .hero-actions {
     flex-direction: column;
     align-items: flex-start;
   }

   .process-steps {
     grid-template-columns: minmax(0, 1fr);
   }

   .form-grid {
     grid-template-columns: minmax(0, 1fr);
   }
 }

 /* Hero Background Image Styles */
.hero-with-bg {
  position: relative;
  background-image: url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.85) 0%,
    rgba(15, 23, 42, 0.6) 50%,
    rgba(15, 23, 42, 0.4) 100%
  );
  z-index: 1;
}

.hero-with-bg .container {
  position: relative;
  z-index: 2;
}

/* 调整文字颜色以适应深色背景 */
.hero-with-bg .hero-title,
.hero-with-bg .hero-subtitle,
.hero-with-bg .hero-badge {
  color: #ffffff;
}

.hero-with-bg .hero-badge {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-with-bg .btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.9);
}

/* 响应式调整 */
@media (max-width: 720px) {
  .hero-with-bg {
    min-height: auto;
    padding: 100px 0 60px;
  }
}

/* Hero - 参考 havemoon 风格 */
.hero-with-bg {
  position: relative;
  background-image: url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(15, 23, 42, 0.95) 0%,
    rgba(15, 23, 42, 0.8) 50%,
    rgba(15, 23, 42, 0.4) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 120px 20px;
  text-align: center;
  margin: 0 auto;
}

.hero-title {
  font-size: 72px;
  line-height: 1.05;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  text-align: center;
}

.hero-title span {
  color: #3b82f6;
  display: block;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.btn-large {
  padding: 18px 48px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* 隐藏旧元素 */
.hero-badge,
.btn-ghost,
.hero-meta,
.hero-visual {
  display: none !important;
}

/* 响应式 */
@media (max-width: 960px) {
  .hero-title {
    font-size: 56px;
  }
}

@media (max-width: 720px) {
  .hero-title {
    font-size: 42px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .btn-large {
    padding: 16px 32px;
    width: 100%;
    text-align: center;
  }
}

/* WhatsApp Floating Button - Fixed Bottom Right */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 9999; /* 确保在最上层 */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  animation: whatsapp-pulse 2s infinite;
  /* 关键：固定定位，不随滚动消失 */
  position: fixed;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* 脉冲动画 */
@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
  }
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
}

/* 手机适配 */
@media (max-width: 720px) {
  .whatsapp-float {
    width: 54px;
    height: 54px;
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-icon {
    width: 28px;
    height: 28px;
  }
}

/* Categories Section */
.categories-section {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.category-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* 消费电子 - 科技蓝 */
.category-card:nth-child(1) {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #bfdbfe;
}

/* 工业设备 - 沉稳灰蓝 */
.category-card:nth-child(2) {
  background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
  border-color: #94a3b8;
}

/* 时尚配饰 - 优雅紫粉 */
.category-card:nth-child(3) {
  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
  border-color: #d8b4fe;
}

/* 美妆个护 - 清新薄荷 */
.category-card:nth-child(4) {
  background: linear-gradient(135deg, #f0fdf4 0%, #bbf7d0 100%);
  border-color: #86efac;
}

/* 宠物用品 - 温暖橙黄 */
.category-card:nth-child(5) {
  background: linear-gradient(135deg, #fffbeb 0%, #fde68a 100%);
  border-color: #fcd34d;
}

/* 家居生活 - 自然青绿 */
.category-card:nth-child(6) {
  background: linear-gradient(135deg, #f0fdfa 0%, #99f6e4 100%);
  border-color: #5eead4;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #0052cc, #00d9c0);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  filter: brightness(1.02);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-icon {
  width: 56px;
  height: 56px;
  background: #ffffff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #0f172a;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.category-icon svg {
  width: 28px;
  height: 28px;
}

.category-name {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 16px;
}

.category-items {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.category-items li {
  font-size: 13px;
  color: #64748b;
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.category-items li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  background: #0052cc;
  border-radius: 50%;
  opacity: 0.4;
}

/* Responsive */
@media (max-width: 960px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 560px) {
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .category-card {
    padding: 24px 20px;
  }
}

/* Turnstile 人机验证样式 */
.cf-turnstile {
  margin: 10px 0;
  min-height: 65px;
}

/* 确保 Turnstile 在移动端正常显示 */
@media (max-width: 720px) {
  .cf-turnstile {
    transform: scale(0.9);
    transform-origin: left center;
  }
}

/* 禁用状态的按钮样式 */
.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: linear-gradient(135deg, #64748b, #94a3b8) !important;
}

/* 表单头部样式 */
.form-header {
  margin-bottom: 24px;
}

.form-header-title {
  font-size: 28px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 8px 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.form-header-subtitle {
  font-size: 15px;
  color: #64748b;
  font-weight: 400;
  margin: 0;
}

/* ============================================
   Contact Page - 深色 Hero + 浅灰表单区
   ============================================ */

/* Hero 区域 - 深色背景 */
.contact-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(34, 193, 195, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.contact-hero-title {
  font-size: 48px;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 12px 0;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.contact-hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* 表单区域 - 浅灰背景 */
.contact-section {
  background: #f1f5f9;
  padding: 50px 0 60px;
}

/* 调整联系布局在灰色背景上的样式 */
.contact-section .contact-layout {
  gap: 30px;
}

/* 左边信息卡片 - 白色突出 */
.contact-section .contact-info-block {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: none;
  padding: 28px;
}

/* 表单卡片 - 白色突出 */
.contact-section .form {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: none;
  padding: 28px;
}

/* 响应式 */
@media (max-width: 720px) {
  .contact-hero {
    padding: 60px 0 40px;
  }
  
  .contact-hero-title {
    font-size: 36px;
  }
  
  .contact-hero-subtitle {
    font-size: 16px;
  }
  
  .contact-section {
    padding: 30px 0 40px;
  }
}