/* services.css - Extracted from inline styles */
:root {
      --red: #E60012;
      --red-hover: #CC0010;
      --red-light: rgba(230,0,18,0.08);
      --blue: #003366;
      --blue-light: #0066cc;
      --blue-lighter: #e8f0fa;
      --nav-bg: #0a1628;
      --body-bg: #ffffff;
      --section-bg: #f5f7fa;
      --text-dark: #333333;
      --text-body: #555555;
      --text-muted: #888888;
      --border-light: #e5e7eb;
      --card-shadow: 0 2px 12px rgba(0,0,0,0.08);
      --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
      --header-h: 72px;
      --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
      --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--body-bg);
      color: var(--text-dark);
      font-family: var(--font-body);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: #f0f0f0; }
    ::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
    ::-webkit-scrollbar-thumb:hover { background: #aaa; }

    /* ===== ANIMATIONS ===== */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .animate-on-scroll {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .animate-on-scroll.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== HEADER ===== */
    
    
    
    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      background: var(--red);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      font-family: var(--font-display);
      letter-spacing: -0.5px;
    }
    .logo-text {
      display: flex;
      flex-direction: column;
    }
    .logo-main {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }
    .logo-sub {
      font-size: 11px;
      color: rgba(255,255,255,0.5);
      letter-spacing: 1px;
    }

    /* Nav */
    .main-nav {
      display: flex;
      align-items: center;
      gap: 0;
    }
    .nav-item {
      position: relative;
    }
    
    .nav-link:hover,
    
    
    .nav-arrow {
      font-size: 10px;
      opacity: 0.5;
      transition: transform 0.2s ease;
    }
    .nav-item:hover .nav-arrow {
      transform: rotate(180deg);
    }

    /* Nav dropdown */
    .nav-dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      min-width: 200px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.15);
      padding: 8px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px);
      transition: all 0.25s ease;
    }
    .nav-item:hover .nav-dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .nav-dropdown a {
      display: block;
      padding: 10px 14px;
      color: var(--text-body);
      text-decoration: none;
      font-size: 14px;
      border-radius: 8px;
      transition: background 0.2s ease, color 0.2s ease;
    }
    .nav-dropdown a:hover {
      background: var(--blue-lighter);
      color: var(--blue);
    }

    /* Header right */
    
    
    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      background: var(--red);
      color: #fff;
      text-decoration: none;
      font-size: 14px;
      font-weight: 600;
      border-radius: 8px;
      transition: background 0.3s ease, transform 0.2s;
      white-space: nowrap;
    }
    .header-cta:hover {
      background: var(--red-hover);
      transform: translateY(-1px);
    }

    /* Mobile menu */
    

    /* ===== PAGE BANNER ===== */
    .page-banner {
      background: linear-gradient(rgba(10,22,40,0.6), rgba(0,51,102,0.6)), url('../images/banner-services.jpg');
      background-size: cover;
      background-position: center;
      position: relative;
      overflow: hidden;
      padding: 140px 24px 80px;
      text-align: center;
    }
    .page-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(10,22,40,0.35);
    }
    .page-banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse at 30% 50%, rgba(230,0,18,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(0,51,102,0.1) 0%, transparent 60%);
      z-index: 1;
    }
    .banner-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }
    .banner-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--red);
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 20px;
    }
    .banner-title {
      font-family: var(--font-display);
      font-size: 48px;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      margin-bottom: 16px;
    }
    .banner-subtitle {
      font-size: 18px;
      color: rgba(255,255,255,0.55);
      line-height: 1.6;
      max-width: 600px;
      margin: 0 auto;
    }
    /* Decorative dots */
    .banner-deco {
      position: absolute;
      z-index: 0;
    }
    .banner-deco-1 {
      top: 20%;
      left: 10%;
      width: 80px;
      height: 80px;
      border: 2px solid rgba(230,0,18,0.15);
      border-radius: 50%;
    }
    .banner-deco-2 {
      bottom: 15%;
      right: 8%;
      width: 120px;
      height: 120px;
      border: 2px solid rgba(0,51,102,0.12);
      border-radius: 50%;
    }
    .banner-deco-3 {
      top: 40%;
      right: 15%;
      width: 6px;
      height: 6px;
      background: rgba(230,0,18,0.4);
      border-radius: 50%;
      box-shadow: 0 0 20px rgba(230,0,18,0.3);
    }

    /* ===== SERVICE CATEGORY SECTION ===== */
    .svc-category {
      padding: 80px 24px;
    }
    .svc-category:nth-child(even) {
      background: var(--section-bg);
    }
    .svc-category-inner {
      max-width: 1440px;
      margin: 0 auto;
    }
    .svc-category-header {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 40px;
    }
    .svc-category-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .svc-category-icon svg {
      width: 24px;
      height: 24px;
      color: #fff;
    }
    .svc-category-icon--core { background: linear-gradient(135deg, #E60012, #ff4d4d); }
    .svc-category-icon--web { background: linear-gradient(135deg, #003366, #0066cc); }
    .svc-category-icon--dev { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
    .svc-category-icon--ai { background: linear-gradient(135deg, #10b981, #34d399); }
    .svc-category-icon--marketing { background: linear-gradient(135deg, #ff6b00, #ff9500); }
    .svc-category-icon--tool { background: linear-gradient(135deg, #10b981, #34d399); }
    .svc-category-icon--enterprise { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

    .svc-category-title {
      font-family: var(--font-display);
      font-size: 28px;
      font-weight: 800;
      color: var(--blue);
    }
    .svc-category-count {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
      margin-left: auto;
    }

    /* ===== SERVICE CARD GRID ===== */
    .svc-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .svc-card {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .svc-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--card-shadow-hover);
    }
    .svc-card:nth-child(even) .svc-card-img {
      /* slight variation */
    }
    .svc-card-img {
      width: 100%;
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .svc-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .svc-card:hover .svc-card-img img {
      transform: scale(1.08);
    }
    .svc-card-img-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.25) 0%, transparent 50%);
    }
    .svc-card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .svc-card-title {
      font-family: var(--font-display);
      font-size: 18px;
      font-weight: 700;
      color: var(--blue);
      margin-bottom: 8px;
    }
    .svc-card-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .svc-card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--red);
      text-decoration: none;
      transition: gap 0.3s ease, color 0.3s ease;
    }
    .svc-card-link:hover {
      gap: 10px;
      color: var(--red-hover);
    }
    .svc-card-link svg {
      width: 16px;
      height: 16px;
      transition: transform 0.3s ease;
    }
    .svc-card-link:hover svg {
      transform: translateX(2px);
    }

    /* ===== CONTACT CTA SECTION ===== */
    .contact-section {
      background: var(--nav-bg);
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }
    .contact-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse at 20% 50%, rgba(230,0,18,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(0,51,102,0.08) 0%, transparent 60%);
    }
    .contact-layout {
      max-width: 1440px;
      margin: 0 auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
      position: relative;
      z-index: 1;
    }
    .contact-info-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--red);
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .contact-info-title {
      font-family: var(--font-display);
      font-size: 36px;
      font-weight: 800;
      color: #fff;
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .contact-info-quote {
      font-size: 22px;
      font-weight: 700;
      color: rgba(255,255,255,0.9);
      margin-bottom: 16px;
    }
    .contact-info-desc {
      font-size: 15px;
      color: rgba(255,255,255,0.55);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .contact-phone {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 28px;
      font-weight: 700;
      font-family: var(--font-display);
      margin-bottom: 8px;
    }
    .contact-phone svg {
      width: 24px;
      height: 24px;
      color: var(--red);
    }
    .contact-wechat {
      font-size: 14px;
      color: rgba(255,255,255,0.5);
    }
    .contact-form {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 16px;
      padding: 40px;
      backdrop-filter: blur(20px);
    }
    .form-title {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 28px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: rgba(255,255,255,0.6);
      margin-bottom: 8px;
    }
    .form-input {
      width: 100%;
      height: 48px;
      padding: 0 16px;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 8px;
      color: #fff;
      font-size: 14px;
      font-family: var(--font-body);
      outline: none;
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }
    .form-input:focus {
      border-color: var(--red);
      box-shadow: 0 0 0 3px rgba(230,0,18,0.15);
    }
    .form-input::placeholder {
      color: rgba(255,255,255,0.25);
    }
    .form-submit {
      width: 100%;
      height: 50px;
      background: var(--red);
      color: #fff;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.3s, transform 0.2s;
      margin-top: 8px;
    }
    .form-submit:hover {
      background: var(--red-hover);
      transform: translateY(-2px);
    }

    /* ===== FOOTER ===== */
    .site-footer {
      background: #fff;
      border-top: 1px solid var(--border-light);
    }
    .footer-main {
      max-width: 1440px;
      margin: 0 auto;
      padding: 48px 24px 36px;
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 32px;
    }
    .footer-col-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--blue);
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-col-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--red);
      border-radius: 1px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: var(--red);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-light);
    }
    .footer-bottom-inner {
      max-width: 1440px;
      margin: 0 auto;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }
    .footer-diagnose {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-diagnose span {
      font-size: 13px;
      color: var(--text-body);
      white-space: nowrap;
    }
    .footer-diagnose-input {
      width: 180px;
      height: 36px;
      padding: 0 12px;
      border: 1px solid var(--border-light);
      border-radius: 6px;
      font-size: 13px;
      outline: none;
      transition: border-color 0.3s;
    }
    .footer-diagnose-input:focus {
      border-color: var(--red);
    }
    .footer-diagnose-btn {
      height: 36px;
      padding: 0 16px;
      background: var(--red);
      color: #fff;
      border: none;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.3s;
    }
    .footer-diagnose-btn:hover {
      background: var(--red-hover);
    }
    .footer-friend-links {
      border-top: 1px solid var(--border-light);
    }
    .footer-friend-inner {
      max-width: 1440px;
      margin: 0 auto;
      padding: 16px 24px;
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .friend-label {
      font-size: 13px;
      color: var(--text-muted);
    }
    .friend-links {
      display: flex;
      gap: 16px;
    }
    .friend-links a {
      font-size: 13px;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }
    .friend-links a:hover {
      color: var(--red);
    }
    .footer-copyright {
      font-size: 13px;
      color: var(--text-muted);
    }
    .hot-searches {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .hot-label {
      font-size: 13px;
      color: var(--text-muted);
    }
    .hot-tag {
      font-size: 12px;
      color: var(--text-body);
      padding: 4px 10px;
      background: var(--section-bg);
      border-radius: 4px;
      text-decoration: none;
      transition: background 0.2s, color 0.2s;
    }
    .hot-tag:hover {
      background: var(--blue-lighter);
      color: var(--blue);
    }/* ===== RESPONSIVE ===== */
    @media (max-width: 1440px) {
      .svc-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-main { grid-template-columns: repeat(3, 1fr); }
      .banner-title { font-size: 38px; }
    }
    @media (max-width: 768px) {
      .main-nav { display: none; }
      
      
      .svc-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
      .contact-layout { grid-template-columns: 1fr; gap: 40px; }
      .footer-main { grid-template-columns: repeat(2, 1fr); }
      .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
      .banner-title { font-size: 32px; }
      .banner-subtitle { font-size: 15px; }
      .page-banner { padding: 120px 20px 60px; }
      .svc-category { padding: 48px 16px; }
      .svc-category-header { margin-bottom: 24px; }
      .svc-card-img { height: 160px; }
    }
    @media (max-width: 480px) {
      .svc-grid { grid-template-columns: 1fr; }
      .footer-main { grid-template-columns: 1fr; }}