:root {
            --primary: #1a6eff;
            --primary-light: #e8f1ff;
            --primary-dark: #0d4fc4;
            --primary-gradient: linear-gradient(135deg, #1a6eff 0%, #0d4fc4 100%);
            --text: #1a1a2e;
            --text-secondary: #5a5a7a;
            --text-light: #8a8aa0;
            --bg: #ffffff;
            --bg-warm: #f8fafc;
            --bg-card: #ffffff;
            --border: #e8ecf4;
            --shadow: 0 4px 24px rgba(26, 110, 255, 0.08);
            --shadow-hover: 0 12px 40px rgba(26, 110, 255, 0.15);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --warning: #ff6b35;
            --warning-light: #fff3ed;
            --danger: #dc2626;
            --danger-light: #fef2f2;
            --success: #16a34a;
            --success-light: #f0fdf4;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 80px; }
        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* ===== NAVIGATION ===== */
        .navbar {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(26, 110, 255, 0.08);
            transition: var(--transition);
        }
        .navbar.scrolled { box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06); }
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .logo-icon {
            /*width: 44px; height: 44px;
            background: var(--primary-gradient);
            border-radius: 12px;*/
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 900;
            font-size: 18px;
            /*box-shadow: 0 4px 12px rgba(26, 110, 255, 0.3);*/
        }
        .logo-icon img{
            height: 44px;
        }
        .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }
        .logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            gap: 4px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .mobile-toggle {
            display: none;
            width: 40px; height: 40px;
            border: none;
            background: var(--primary-light);
            border-radius: 10px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        .mobile-toggle span {
            display: block;
            width: 20px; height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--text);
            color: white;
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo-icon {
            /*background: var(--primary);*/
            margin-bottom: 16px;
            display: flex;
            align-items: left;
            justify-content: left;
        }
        .footer-brand .logo-icon img{
            height: 84px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.9);
        }
        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 10px; }
        .footer-col a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col a:hover { color: white; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== PAGE HEADER ===== */
        .page-header {
            padding: 140px 0 60px;
            background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
            text-align: center;
        }
        .page-header h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 12px;
        }
        .page-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-header img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 0 auto 16px;
            border-radius: var(--radius-sm);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 13px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover { text-decoration: underline; }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt { background: var(--bg-warm); }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            padding: 4px 16px;
            background: var(--primary-light);
            border-radius: 100px;
        }
        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== SCROLL ANIMATION ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }