:root {
            --primary-color: #1a5f7a;
            --secondary-color: #159895;
            --accent-color: #57c5b6;
            --light-bg: #f9f9f9;
            --dark-color: rgba(4, 48, 93, 0.89);
            --text-primary: #2e4264;
            --text-secondary: #232d3a;
            --text-light: #64748b;
            --background-color: #ffffff;
            --section-bg: #f8fafc;
            --border-color: #e2e8f0;
            --success-color: #1d976c;
            --warning-color: #eb6440;
            --info-color: #0891b2;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
            --transition: all 0.3s ease;
            --hero-gradient: linear-gradient(135deg, rgba(126, 155, 106, 0.05) 0%, rgba(50, 203, 183, 0.1) 100%);

        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--text-primary);
            line-height: 1.6;
            background-color: var(--background-color);
            overflow-x: hidden;
        }

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

        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .header-container {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
    }

    .notification-bar {
        background: var(--notification-bg);
        padding: 6px;
        text-align: center;
        position: relative;
        box-shadow: 0 2px 15px rgba(0, 247, 255, 0.2);
        backdrop-filter: blur(5px);
        font-size: 0.9rem;
    }

    .notification-bar a {
        color: #fff;
        text-decoration: underline;
        margin-left: 15px;
        font-weight: 600;
        transition: opacity 0.3s;
    }

    .notification-bar a:hover {
        opacity: 0.8;
    }


        .main-nav {
            width: 100%;
            padding: 14px 8%;
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            position: relative;
            z-index: 1000;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1440px;
            margin: 0 auto;
            height: 40px;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 1001;
            flex-shrink: 0;
            height: 60px;
        }

        .logo img {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 1001;
            flex-shrink: 0;
            height: 60px;
        }

        .logo img {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            font-family: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Helvetica Neue', sans-serif;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #FF7A00, #FF9A3C 40%, #1A4B8C 60%, #0E325E);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            position: relative;
            padding: 0 2px;
            text-shadow: 0 1px 3px rgba(255, 122, 0, 0.2);
        }

        .logo-text:hover {
            background: linear-gradient(135deg, #FF7A00, #1A4B8C, #FF7A00);
            background-size: 200% 100%;
            -webkit-background-clip: text;
            background-clip: text;
            transition: all 0.5s ease;
            text-shadow: 0 2px 5px rgba(255, 122, 0, 0.3);
        }

        .main-content {
            display: flex;
            max-width: 100%;
            max-height: 100vh;
            margin: 0;
            background: white;
            gap: 10px;
            flex: 1;
            padding: 10px;
            height: calc(100vh - 130px);
            position: relative;
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.03);
        }

        .hero {
            padding: 8rem 0 6rem;
            background-image: url("/static/libs/index_background_hero.png");
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: "";
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            background: radial-gradient(circle at 70% 30%, rgba(87, 197, 182, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            margin-top: 1px;
            gap: 1rem;
            margin-bottom: 2rem;
            justify-content: center;
        }

        .tag {
            background-color: rgba(26, 95, 122, 0.08);
            color: var(--primary-color);
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .tag:hover {
            transform: translateY(-2px);
            background-color: rgba(26, 95, 122, 0.12);
            box-shadow: var(--shadow-md);
        }

        .tag i {
            margin-right: 0.5rem;
        }

        .hero-title {
            padding-top:30px;
            max-width: 1000px;
            font-size: 4.6rem;
            background: var(--text-primary);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientAnimation 10s linear infinite;
            line-height: 1.2;
            margin-bottom: 1.75rem;
            color: var(--dark-color);
            font-weight: 700;
        }
        @keyframes gradientAnimation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }
        .hero-title1 {
            padding-top:-10px;
            max-width: 1000px;
            font-size: 4.4rem;
            background: var(--text-primary);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientAnimation 10s linear infinite;
            line-height: 1.2;
            margin-bottom: 1.75rem;
            color: var(--dark-color);
            font-weight: 700;
        }
        @keyframes gradientAnimation {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        .hero-description {
            font-size: 1.35rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            min-height: 65px;
            line-height: 1.7;
        }

        .typing-cursor {
            display: inline-block;
            width: 2px;
            height: 1.2em;
            background-color: var(--text-secondary);
            margin-left: 2px;
            animation: blink 1s infinite;
            vertical-align: middle;
        }

        @keyframes blink {
            50% {
                opacity: 0;
            }
        }

        .hero-buttons {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn {
            padding: 0.95rem 2rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            background-color: var(--dark-color);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            background-color: transparent;
            border: 1.5px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-outline:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .btn i {
            margin-right: 0.5rem;
        }

        .features {
            padding: 6rem 0;
            background-color: var(--section-bg);
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            font-weight: 700;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 2.5rem;
            margin-top: 1rem;
        }

        .feature-card {
            background-color: var(--background-color);
            border-radius: 12px;
            padding: 2.5rem;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.03);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
                        0 10px 15px -2px rgba(0, 0, 0, 0.06),
                        0 20px 25px -5px rgba(0, 0, 0, 0.08);
        }

            .feature-card:hover {
                box-shadow: 0 6px 10px -1px rgba(0, 0, 0, 0.06),
                            0 15px 20px -2px rgba(0, 0, 0, 0.10),
                            0 25px 30px -5px rgba(0, 0, 0, 0.12);
                transform: translateY(-3px);
            }

        .feature-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(42, 134, 169, 0.08);
            color: var(--primary-color);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 1.8rem;
        }

        .feature-title {
            font-size: 1.35rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            color: var(--dark-color);
        }

        .feature-description {
            color: rgba(0, 0, 0, 0.78);
            flex-grow: 1;
            line-height: 1.7;
        }

        .partners {
            padding: 5rem 0;
            background-color: var(--background-color);
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 3rem;
            align-items: center;
            justify-items: center;
            margin-top: 3.5rem;
            padding: 0 1rem;
        }

        .partner-logo {
            height: 60px;
            opacity: 0.6;
            transition: var(--transition);
            filter: grayscale(100%);
        }

        .partner-logo:hover {
            opacity: 1;
            filter: grayscale(0%);
            transform: scale(1.08);
        }

        .cta {
            padding: 6rem 0;
            background-image: url("/static/libs/index_background_cta.png");
            color: white;
            text-align: center;
        }

        .cta-title {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            font-weight: 700;
        }

        .cta-description {
            font-size: 1.2rem;
            margin-bottom: 2.5rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.95;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 1.2rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white {
            background-color: white;
            color: var(--primary-color);
        }

        .btn-white:hover {
            background-color: rgba(255, 255, 255, 0.9);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-white {
            border: 1.5px solid white;
            color: white;
            background-color: transparent;
        }

        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .footer {
            background-color: var(--section-bg);
            padding: 5rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 3.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
        }

        .footer-logo-container {
            display: flex;
            align-items: center;
            margin-bottom: 1.2rem;
        }

        .footer-description {
            color: var(--text-light);
            margin-top: 1.2rem;
            line-height: 1.7;
        }

        .footer-heading {
            font-weight: 600;
            font-size: 1.2rem;
            color: var(--dark-color);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--accent-color);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.9rem;
        }

        .footer-links a {
            color: var(--text-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }

        .footer-links a:hover {
            color: var(--primary-color);
            transform: translateX(4px);
        }

        .footer-links a i {
            margin-right: 0.5rem;
            font-size: 0.85rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-icon {
            width: 38px;
            height: 38px;
            background-color: rgba(26, 95, 122, 0.08);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .social-icon:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .copyright {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        .footer-nav {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .footer-nav-item {
            color: var(--text-light);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .footer-nav-item:hover {
            color: var(--primary-color);
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 3rem;
            }

            .hero-description {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1.5rem;
            }

            .hero {
                padding: 7rem 0 5rem;
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .hero-description {
                font-size: 1.1rem;
            }

            .section-title {
                font-size: 2.2rem;
            }

            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }

            .cta-title {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2.2rem;
            }

            .btn {
                padding: 0.85rem 1.8rem;
            }

            .hero-buttons {
                justify-content: center;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-nav {
                justify-content: center;
            }
        }