/* 鍩虹鏍峰紡閲嶇疆 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 鍏ㄥ眬鏍峰紡 */
        body {
            font-family: 'Inter', system-ui, sans-serif;
            color: #333;
            background-color: #f9fafb;
            line-height: 1.6;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        .btn {
            display: inline-block;
            font-weight: 600;
            padding: 15px 35px;
            border-radius: 8px;
            transition: all 0.3s ease;
            text-align: center;
            font-size: 18px;
        }

        .btn-primary {
            background-color: #8b3dff;
            color: white;
            box-shadow: 0 4px 6px rgba(139, 61, 255, 0.2);
        }

        .btn-primary:hover {
            background-color: #8b3dff;
            transform: translateY(-2px);
            box-shadow: 0 6px 10px rgba(139, 61, 255, 0.3);
        }
        
        .btn-secondary {
            background-color: #313136;
            color: white;
            box-shadow: 0 4px 6px rgba(139, 61, 255, 0.2);
        }

        .btn-secondary:hover {
            background-color: #313136;
            transform: translateY(-2px);
            box-shadow: 0 6px 10px rgba(139, 61, 255, 0.3);
        }

        .section {
            padding: 60px 0;
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 700;
            color: #111827;
            margin-bottom: 16px;
            text-align: center;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: #6b7280;
            text-align: center;
            max-width: 600px;
            margin: 0 auto 40px;
        }

        /* 澶撮儴瀵艰埅 */
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo img {
            width: auto;
            height: 50px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #111827;
        }

        .nav {
            display: none;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 32px;
        }

        .nav-link {
            color: #4b5563;
            font-weight: 500;
        }

        .nav-link:hover {
            color: #8b3dff;
        }

        /* 鑻遍泟鍖哄煙 */
        .hero {
            background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
            padding: 80px 0;
        }

        .hero-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .hero-content {
            text-align: center;
            margin-bottom: 40px;
            padding-left: 60px;
        }
        .hero-title-box {
            display: flex;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            color: #111827;
            line-height: 48px;
            margin-left: 10px;
        }
        
        .hero-title-box img {
            border-radius: 8px;
            width: 48px;
            height: 48px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: #4b5563;
            max-width: 500px;
            margin: 0 auto 32px;
        }

        .hero-buttons {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 20px;
        }

        .hero-image {
            width: 100%;
            max-width: 500px;
            border-radius: 12px;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .hero-image:hover {
            transform: rotate(1deg);
        }

        /* 鍔熻兘鍖哄煙 */
        .features {
            background-color: white;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .feature-card {
            background-color: #eff6ff;
            border: 1px solid #dbeafe;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

        .feature-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .feature-desc {
            color: #6b7280;
        }

        /* 浼樺娍鍖哄煙 */
        .advantages {
            background-color: #f9fafb;
        }

        .advantages-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .advantage-item {
            display: flex;
            gap: 16px;
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .advantage-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background-color: #8b3dff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .advantage-content {
            flex-grow: 1;
            padding: 24px;
        }

        .advantage-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .advantage-desc {
            color: #6b7280;
        }

        /* 甯歌闂 */
        .faq {
            background-color: white;
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-toggle {
            width: 100%;
            background-color: #f9fafb;
            padding: 20px;
            text-align: left;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .faq-toggle:hover {
            background-color: #f3f4f6;
        }

        .faq-icon {
            transition: transform 0.3s ease;
        }

        .faq-content {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-content.active {
            padding: 0 20px 20px;
            max-height: 500px;
        }

        /* 鏈€鏂板姩鎬� */
        .news {
            background-color: #f9fafb;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .news-card {
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .news-card:hover {
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

        .news-content {
            padding: 24px;
        }

        .news-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .news-title a:hover {
            color: #8b3dff;
        }

        .news-date {
            font-size: 0.9rem;
            color: #6b7280;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-desc {
            color: #6b7280;
        }

        /* 椤佃剼 */
        .footer {
            background-color: #1f2937;
            color: #9ca3af;
            padding: 40px 0;
        }

        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
        }

        /* 杩斿洖椤堕儴鎸夐挳 */
        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            background-color: #8b3dff;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .back-to-top:hover {
            background-color: #1E40AF;
        }

        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        /* 鍝嶅簲寮忚璁� */
        @media (min-width: 640px) {
            .hero-buttons {
                flex-direction: row;
                justify-content: center;
            }

            .features-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) {
            .nav {
                display: block;
            }

            .advantages-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .hero-container {
                flex-direction: row;
                gap: 40px;
            }

            .hero-content {
                text-align: left;
                margin-bottom: 0;
                flex: 1;
            }

            .hero-desc {
                margin-left: 0;
                margin-right: 0;
            }

            .hero-buttons {
                justify-content: flex-start;
            }

            .hero-image-container {
                flex: 1;
                display: flex;
                justify-content: center;
            }

            .features-grid,
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }