/* Original tool presentation, scoped to this detail page. */

        /* 页面特定样式 */
        #yk-portal-v2 .yk-legacy-tool .hero-banner {
            background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
            color: #fff;
            padding: 120px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 60px; /* 为固定的导航栏留出空间 */
        }
        #yk-portal-v2 .yk-legacy-tool .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url("/images/wave.svg") no-repeat center bottom;
            background-size: cover;
            opacity: 0.05;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-banner h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        #yk-portal-v2 .yk-legacy-tool .hero-banner .lead {
            font-size: 1.5rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: rgba(255,255,255,0.8);
        }
        #yk-portal-v2 .yk-legacy-tool .section {
            padding: 80px 0;
        }
        #yk-portal-v2 .yk-legacy-tool .section-bg {
            background-color: #f8f9fa;
        }
        #yk-portal-v2 .yk-legacy-tool .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        #yk-portal-v2 .yk-legacy-tool .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        #yk-portal-v2 .yk-legacy-tool .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary-color, #2563EB);
        }
        #yk-portal-v2 .yk-legacy-tool .section-title p {
            font-size: 1.1rem;
            color: #6c757d;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-box,#yk-portal-v2 .yk-legacy-tool  .use-case-box {
            background: #fff;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-box:hover,#yk-portal-v2 .yk-legacy-tool  .use-case-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.12);
        }
        #yk-portal-v2 .yk-legacy-tool .feature-box .icon {
            font-size: 3rem;
            color: var(--primary-color, #2563EB);
            margin-bottom: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-box h5,#yk-portal-v2 .yk-legacy-tool  .use-case-box h5 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-item {
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-item .card-header {
            cursor: pointer;
            background-color: #fff;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-item .card-header h5 {
            margin: 0;
            font-size: 1.1rem;
        }
        #yk-portal-v2 .yk-legacy-tool .download-section {
            background-color: #111827;
            color: #fff;
            text-align: center;
        }
        #yk-portal-v2 .yk-legacy-tool .download-btn {
            background-color: var(--accent-color, #3B82F6);
            color: #fff;
            padding: 15px 40px;
            font-size: 1.2rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
            display: inline-block;
        }
        #yk-portal-v2 .yk-legacy-tool .download-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
            color: #fff;
        }