 /* 特性卡片 (用于流程中的亮点/补充) */
        .feature-card {
            border: none;
            background: white;
            border-radius: 15px;
            padding: 30px 20px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, rgba(222, 41, 16, 0.1), rgba(222, 41, 16, 0.05));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-red);
            font-size: 1.8rem;
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            background: var(--primary-red);
            color: white;
        }

        /* 时间线样式 (用于流程展示，纵向) */
        .process-timeline {
            position: relative;
            padding-left: 40px; /* 为左侧留出空间 */
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 10px;
            bottom: 10px;
            width: 3px;
            background: var(--primary-red);
            border-radius: 3px;
        }

        .process-item {
            position: relative;
            padding-bottom: 40px;
        }

        .process-item:last-child {
            padding-bottom: 0;
        }

        .process-item::before {
            content: '';
            position: absolute;
            left: -40px; /* 调整到时间线左侧 */
            top: 5px;
            width: 18px;
            height: 18px;
            background: var(--accent-gold);
            border-radius: 50%;
            border: 4px solid white;
            box-shadow: 0 0 0 3px var(--primary-red);
            z-index: 2;
        }

        .process-step {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-red);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }

        .process-step .step-number {
            background: var(--primary-red);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 1.2rem;
        }

        .process-content {
            background: white;
            border-radius: 15px;
            padding: 25px 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-left: 20px;
        }

        .process-content h5 {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .process-content p {
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* 响应式调整 */
        @media (max-width: 767px) {
            .process-timeline {
                padding-left: 30px;
            }
            .process-item::before {
                left: -30px;
                width: 16px;
                height: 16px;
            }
            .process-content {
                padding: 20px;
                margin-left: 10px;
            }
        }