/* service-responsive-website.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: 120px;
      --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; }
    ::-webkit-scrollbar { width: 6px; } ::-webkit-scrollbar-track { background: #f0f0f0; } ::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
    .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); }

    
    
    
    .logo { font-size: 22px; font-weight: 800; color: #fff; text-decoration: none; letter-spacing: -0.5px; }
    .logo span { color: var(--red); }
    
    
    
    
    
    
    
    
    
    
    
    

    /* HERO */
    .hero-section { position: relative; min-height: 500px; display: flex; align-items: center; overflow: hidden; background: linear-gradient(135deg, #0a1628 0%, #0f2035 50%, #0a1628 100%); }
    .hero-bg-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.2; }
    .hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(10,22,40,0.5) 0%, rgba(10,22,40,0.2) 50%, rgba(10,22,40,0.4) 100%); }
    .hero-inner { position: relative; z-index: 2; max-width: 1440px; margin: 0 auto; padding: 140px 32px 80px; width: 100%; }
    .hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 18px; background: rgba(230,0,18,0.12); border: 1px solid rgba(230,0,18,0.25); border-radius: 100px; font-size: 12px; font-weight: 600; color: var(--red); letter-spacing: 0.05em; margin-bottom: 24px; }
    .hero-badge .svg-icon svg { width: 16px; height: 16px; }
    .hero-title { font-family: var(--font-display); font-size: clamp(32px, 5vw, 52px); font-weight: 900; line-height: 1.2; color: #fff; margin-bottom: 16px; }
    .hero-desc { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 640px; }
    .hero-actions { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }
    .btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; font-size: 15px; font-weight: 600; color: #fff; background: var(--red); border-radius: 8px; text-decoration: none; transition: all 0.3s; }
    .btn-primary:hover { background: var(--red-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,0,18,0.3); }
    .btn-outline { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; font-size: 15px; font-weight: 600; color: #fff; background: transparent; border: 1px solid rgba(255,255,255,0.2); border-radius: 8px; text-decoration: none; transition: all 0.3s; }
    .btn-outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }

    /* DEVICE SHOWCASE - 3 DEVICES SIDE BY SIDE */
    .svg-icon { display: inline-flex; align-items: center; justify-content: center; }
    .svg-icon svg { width: 28px; height: 28px; }
    .devices-section { padding: 80px 32px; background: #fff; }
    .devices-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
    .section-header { text-align: center; margin-bottom: 56px; }
    .section-header .label { display: inline-block; font-size: 12px; font-weight: 600; color: var(--red); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; }
    .section-header h2 { font-size: 32px; font-weight: 800; color: var(--blue); margin-bottom: 12px; }
    .section-header p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; line-height: 1.7; }
    .devices-display { display: flex; justify-content: center; align-items: flex-end; gap: 24px; perspective: 1000px; }
    .device-wrapper { position: relative; transition: all 0.4s ease; }
    .device-wrapper:hover { transform: translateY(-8px); }
    .device-label { text-align: center; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--blue); }
    .device-sublabel { font-size: 12px; color: var(--text-muted); }
    /* Desktop */
    .device-desktop { width: 320px; height: 210px; border-radius: 12px; background: #1a1a2e; padding: 8px; box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
    .device-desktop-screen { width: 100%; height: 100%; border-radius: 8px; background: linear-gradient(135deg, #e8f0fa, #dce6f0); display: flex; align-items: center; justify-content: center; }
    .device-desktop-screen-content { display: flex; gap: 8px; width: 85%; height: 70%; }
    .device-desktop-screen-content .sidebar { width: 20%; background: var(--blue); border-radius: 4px; opacity: 0.6; }
    .device-desktop-screen-content .main { flex: 1; display: flex; flex-direction: column; gap: 6px; }
    .device-desktop-screen-content .main .bar { height: 8px; background: rgba(0,51,102,0.15); border-radius: 4px; }
    .device-desktop-screen-content .main .bar:nth-child(1) { width: 60%; }
    .device-desktop-screen-content .main .bar:nth-child(2) { width: 80%; height: 12px; }
    .device-desktop-screen-content .main .bar:nth-child(3) { width: 40%; }
    .device-desktop-screen-content .main .bar:nth-child(4) { width: 90%; height: 16px; }
    /* Tablet */
    .device-tablet { width: 180px; height: 240px; border-radius: 16px; background: #1a1a2e; padding: 10px; box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
    .device-tablet-screen { width: 100%; height: 100%; border-radius: 8px; background: linear-gradient(135deg, #e8f0fa, #dce6f0); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 16px 8px; }
    .device-tablet-screen .bar { height: 6px; background: rgba(0,51,102,0.15); border-radius: 4px; }
    .device-tablet-screen .bar:nth-child(1) { width: 50%; }
    .device-tablet-screen .bar:nth-child(2) { width: 80%; height: 10px; }
    .device-tablet-screen .bar:nth-child(3) { width: 70%; }
    .device-tablet-screen .cards { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; width: 100%; }
    .device-tablet-screen .cards .card { height: 30px; background: rgba(0,51,102,0.1); border-radius: 4px; }
    /* Phone */
    .device-phone { width: 120px; height: 240px; border-radius: 20px; background: #1a1a2e; padding: 8px; box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
    .device-phone-screen { width: 100%; height: 100%; border-radius: 14px; background: linear-gradient(135deg, #e8f0fa, #dce6f0); display: flex; flex-direction: column; align-items: center; padding: 24px 6px 12px; gap: 6px; }
    .device-phone-screen .bar { height: 5px; background: rgba(0,51,102,0.15); border-radius: 3px; }
    .device-phone-screen .bar:nth-child(1) { width: 40%; }
    .device-phone-screen .bar:nth-child(2) { width: 70%; }
    .device-phone-screen .banner { width: 100%; height: 40px; background: linear-gradient(135deg, var(--red), #ff3344); border-radius: 4px; opacity: 0.6; }
    .device-phone-screen .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; width: 100%; }
    .device-phone-screen .grid .item { height: 16px; background: rgba(0,51,102,0.1); border-radius: 3px; }

    /* WHAT IS RESPONSIVE - LEFT TEXT RIGHT IMAGE */
    .what-section { padding: 80px 32px; background: var(--section-bg); }
    .what-inner { max-width: 1440px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
    .what-text h2 { font-size: 32px; font-weight: 800; color: var(--blue); margin-bottom: 8px; }
    .what-text .accent-line { width: 48px; height: 3px; background: var(--red); border-radius: 2px; margin-bottom: 24px; }
    .what-text p { font-size: 15px; line-height: 1.9; color: var(--text-body); margin-bottom: 16px; }
    .what-list { list-style: none; padding: 0; margin-top: 20px; }
    .what-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 15px; line-height: 1.7; color: var(--text-body); }
    .what-list li .check-icon { flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--red-light); display: flex; align-items: center; justify-content: center; color: var(--red); font-size: 14px; font-weight: 700; margin-top: 2px; }
    .what-visual { position: relative; border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
    .what-visual-placeholder { width: 100%; height: 380px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 16px; }
    .what-visual-placeholder img { width: 100%; height: 100%; object-fit: cover; display: block; }

    /* 4 ADVANTAGE CARDS */
    .advantages-section { padding: 80px 32px; background: #fff; }
    .advantages-inner { max-width: 1440px; margin: 0 auto; }
    .advantages-4grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .adv-4card { background: var(--section-bg); border-radius: 16px; padding: 32px 24px; border: 1px solid var(--border-light); transition: all 0.3s ease; position: relative; overflow: hidden; }
    .adv-4card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px; background: var(--red); transform: scaleX(0); transition: transform 0.4s; transform-origin: left; }
    .adv-4card:hover::after { transform: scaleX(1); }
    .adv-4card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
    .adv-4card-num { font-size: 36px; font-weight: 900; color: rgba(230,0,18,0.15); margin-bottom: 16px; font-family: var(--font-display); }
    .adv-4card h3 { font-size: 17px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
    .adv-4card p { font-size: 14px; line-height: 1.7; color: var(--text-body); }

    /* INDUSTRY SCENARIOS - 3 COLUMNS */
    .industry-section { padding: 80px 32px; background: var(--section-bg); }
    .industry-inner { max-width: 1440px; margin: 0 auto; }
    .industry-3col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .industry-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--card-shadow); border: 1px solid var(--border-light); transition: all 0.3s ease; }
    .industry-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
    .industry-card-header { padding: 32px 24px 16px; }
    .industry-card-icon { width: 56px; height: 56px; border-radius: 14px; margin-bottom: 12px; display: flex; align-items: center; justify-content: center; }
    .industry-card-icon.icon-blue { background: rgba(0,51,102,0.08); color: var(--blue); }
    .industry-card-icon.icon-red { background: rgba(230,0,18,0.08); color: var(--red); }
    .industry-card-icon.icon-orange { background: rgba(245,158,11,0.08); color: #f59e0b; }
    .industry-card-icon .svg-icon svg { width: 28px; height: 28px; }
    .industry-card h3 { font-size: 18px; font-weight: 700; color: var(--blue); margin-bottom: 12px; }
    .industry-card-body { padding: 0 24px 24px; }
    .industry-card-body p { font-size: 14px; line-height: 1.7; color: var(--text-body); margin-bottom: 12px; }
    .industry-card-body ul { list-style: none; padding: 0; }
    .industry-card-body ul li { font-size: 13px; line-height: 1.8; color: var(--text-muted); padding-left: 16px; position: relative; }
    .industry-card-body ul li::before { content: ''; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--red); }

    /* TECH STANDARDS */
    .tech-section { padding: 80px 32px; background: #fff; }
    .tech-inner { max-width: 1000px; margin: 0 auto; }
    .tech-standards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
    .tech-standard { text-align: center; padding: 32px 24px; background: var(--section-bg); border-radius: 16px; border: 1px solid var(--border-light); transition: all 0.3s ease; }
    .tech-standard:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-2px); }
    .tech-standard-code { font-size: 13px; font-weight: 700; color: var(--red); font-family: 'Courier New', monospace; background: rgba(230,0,18,0.08); padding: 6px 14px; border-radius: 6px; display: inline-block; margin-bottom: 16px; letter-spacing: 0.05em; }
    .tech-standard h3 { font-size: 17px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
    .tech-standard p { font-size: 14px; line-height: 1.7; color: var(--text-body); }

    /* CTA */
    .cta-section { padding: 80px 32px; background: linear-gradient(135deg, #0a1628 0%, #0f2035 100%); position: relative; overflow: hidden; }
    .cta-section::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(230,0,18,0.1) 0%, transparent 60%); pointer-events: none; }
    .cta-inner { max-width: 1440px; margin: 0 auto; position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 60px; }
    .cta-info { flex: 1; }
    .cta-info h2 { font-size: 30px; font-weight: 700; color: #fff; margin-bottom: 16px; }
    .cta-info p { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 24px; }
    .cta-contacts { display: flex; flex-direction: column; gap: 12px; }
    .cta-contact { display: flex; align-items: center; gap: 10px; font-size: 15px; color: rgba(255,255,255,0.7); }
    .cta-contact strong { color: #fff; }
    .cta-contact-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(230,0,18,0.15); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; color: var(--red); }
    .cta-contact-icon .svg-icon svg { width: 18px; height: 18px; }
    .cta-form { width: 400px; flex-shrink: 0; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 32px; backdrop-filter: blur(10px); }
    .cta-form h3 { font-size: 20px; font-weight: 600; color: #fff; margin-bottom: 20px; }
    .form-group { margin-bottom: 16px; }
    .form-input { width: 100%; padding: 12px 16px; font-size: 14px; color: #fff; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 8px; outline: none; transition: all 0.3s; font-family: var(--font-body); }
    .form-input:focus { border-color: var(--red); background: rgba(255,255,255,0.1); }
    .form-input::placeholder { color: rgba(255,255,255,0.3); }
    .form-textarea { width: 100%; padding: 12px 16px; font-size: 14px; color: #fff; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 8px; outline: none; resize: vertical; min-height: 100px; transition: all 0.3s; font-family: var(--font-body); }
    .form-textarea:focus { border-color: var(--red); background: rgba(255,255,255,0.1); }
    .form-textarea::placeholder { color: rgba(255,255,255,0.3); }
    .btn-submit { width: 100%; padding: 14px; font-size: 15px; font-weight: 600; color: #fff; background: var(--red); border: none; border-radius: 8px; cursor: pointer; transition: all 0.3s; font-family: var(--font-body); }
    .btn-submit:hover { background: var(--red-hover); }

    .site-footer { background: #fff; border-top: 1px solid var(--border-light); padding: 48px 32px 24px; }
    .footer-inner { max-width: 1440px; margin: 0 auto; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
    .footer-brand .logo { margin-bottom: 12px; display: inline-block; }
    .footer-brand p { font-size: 14px; line-height: 1.7; color: var(--text-muted); margin-bottom: 16px; }
    .footer-social { display: flex; gap: 8px; }
    .footer-social a { width: 36px; height: 36px; border-radius: 8px; background: var(--section-bg); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--text-muted); text-decoration: none; transition: all 0.2s; }
    .footer-social a:hover { background: var(--red-light); color: var(--red); }
    .footer-col h4 { font-size: 15px; font-weight: 600; color: var(--text-dark); margin-bottom: 16px; }
    .footer-col ul { list-style: none; }
    .footer-col li { margin-bottom: 10px; }
    .footer-col a { font-size: 14px; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
    .footer-col a:hover { color: var(--red); }
    .footer-bottom { padding-top: 24px; border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; }
    .footer-bottom p { font-size: 13px; color: var(--text-muted); }
    .footer-tags { display: flex; gap: 12px; flex-wrap: wrap; }
    .footer-tag { font-size: 12px; color: var(--text-muted); padding: 4px 12px; background: var(--section-bg); border-radius: 100px; }

    @media (max-width: 1440px) {
      .what-inner { grid-template-columns: 1fr; gap: 32px; }
      .advantages-4grid { grid-template-columns: repeat(2, 1fr); }
      .industry-3col { grid-template-columns: repeat(2, 1fr); }
      .tech-standards { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-inner { flex-direction: column; }
      .cta-form { width: 100%; }
      .devices-display { flex-wrap: wrap; gap: 32px; }
    }
    @media (max-width: 640px) {
      .advantages-4grid { grid-template-columns: 1fr; }
      .industry-3col { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .hero-inner { padding: 120px 16px 60px; }
      .devices-section, .what-section, .advantages-section, .industry-section, .tech-section { padding: 48px 16px; }
      .cta-section { padding: 48px 16px; }
      .section-header h2 { font-size: 26px; }
    }