/* ==================== 数字化平台页 ==================== */
   .m-platform {
        background-color: #F7F8FA;
    }

   .m-platform .section {
        padding: 100px 0;
        position: relative;
        overflow: hidden;
    }
   .m-platform .section-header {
        text-align: center;
        margin-bottom: 64px;
        position: relative;
        z-index: 1;
    }
   .m-platform .section-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 4px;
        color: #165DFF;
        text-transform: uppercase;
        margin-bottom: 12px;
        background: rgba(22, 93, 255, 0.06);
        padding: 5px 16px;
        border-radius: 50px;
        border: 1px solid rgba(22, 93, 255, 0.12);
    }
   .m-platform .section-title {
        font-size: clamp(30px, 5vw, 42px);
        font-weight: 700;
        color: #1D2129;
        line-height: 1.3;
        margin-bottom: 14px;
    }
   .m-platform .highlight {
        color: #165DFF;
    }
   .m-platform .section-desc {
        color: #4E5969;
        font-size: 16px;
        max-width: 650px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }

    /* 超大序号 */
   .m-platform .section-num {
        position: absolute;
        top: -40px;
        left: 50%;
        transform: translateX(-50%);
        font-size: clamp(160px, 28vw, 360px);
        font-weight: 900;
        color: rgba(22, 93, 255, 0.03);
        line-height: 1;
        pointer-events: none;
        z-index: 0;
        white-space: nowrap;
    }

    /* ==================== Hero ==================== */
   .m-platform .hero-section {
        position: relative;
        padding: 200px 0 120px;
        display: flex;
        align-items: center;
        overflow: hidden;
        min-height: 600px;
    }
   .m-platform .hero-bg-image {
        position: absolute;
        inset: 0;
        background: url('../img/bg-trade.jpg') center/cover no-repeat;
        z-index: 0;
    }
   .m-platform .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(22, 93, 255, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
        z-index: 1;
    }
   .m-platform .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        color: #FFFFFF;
    }
   .m-platform .hero-title {
        font-size: clamp(38px, 6vw, 56px);
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 16px;
        text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    }
   .m-platform .hero-subtitle {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 48px;
    }
   .m-platform .hero-stats {
        display: flex;
        justify-content: center;
        gap: 60px;
        flex-wrap: wrap;
    }
   .m-platform .hero-stat-item {
        text-align: center;
    }
   .m-platform .hero-stat-num {
        font-size: 42px;
        font-weight: 800;
        color: #FFFFFF;
        display: block;
        line-height: 1;
    }
   .m-platform .hero-stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
        margin-top: 8px;
    }

    /* ==================== 卡片通用设计 ==================== */
    .version-card,
    .feature-card,
    .business-card,
   .m-platform .data-service {
        background: #FFFFFF;
        border: 1px solid #EFF1F3;
        border-radius: 20px;
        padding: 32px 28px;
        transition: all 0.3s ease;
        position: relative;
        box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    }
    .version-card:hover,
    .feature-card:hover,
    .business-card:hover,
   .m-platform .data-service:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(0,0,0,0.08);
        border-color: #165DFF;
    }

    /* ==================== 平台版本卡片 ==================== */
   .m-platform .intro-section {
        background: #FFFFFF;
    }
   .m-platform .versions-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        position: relative;
        z-index: 1;
    }
   .m-platform .version-card {
        position: relative;
        border-radius: 24px;
        padding: 48px 36px;
        background-size: cover;
        background-position: center;
        color: #FFFFFF;
        overflow: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        min-height: 260px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }
   .m-platform .version-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 24px 48px rgba(0,0,0,0.15);
    }
   .m-platform .version-indicator {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: #FFFFFF;
        margin-bottom: 20px;
        opacity: 0.9;
    }
   .m-platform .version-card h4 {
        font-size: 22px;
        font-weight: 800;
        margin-bottom: 8px;
        color: #FFFFFF;
        text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }
   .m-platform .version-card p {
        font-size: 15px;
        color: rgba(255,255,255,0.95);
        line-height: 1.6;
        text-shadow: 0 1px 4px rgba(0,0,0,0.2);
    }

    /* ==================== 核心功能卡片 ==================== */
   .m-platform .features-section {
        background: #F6F7FB;
    }
   .m-platform .features-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        position: relative;
        z-index: 1;
    }
   .m-platform .feature-card {
        min-height: 360px;
        display: flex;
        flex-direction: column;
    }
   .m-platform .feature-num {
        font-size: 48px;
        font-weight: 900;
        color: rgba(22,93,255,0.12);
        position: absolute;
        top: 20px;
        right: 24px;
        line-height: 1;
        z-index: 0;
    }
   .m-platform .feature-card h3 {
        font-size: 22px;
        font-weight: 700;
        color: #1D2129;
        margin-bottom: 24px;
        position: relative;
        z-index: 1;
    }
   .m-platform .feature-list {
        list-style: none;
        padding: 0;
        flex: 1;
    }
   .m-platform .feature-list li {
        font-size: 14px;
        color: #4E5969;
        padding: 10px 0 10px 18px;
        border-bottom: 1px solid #F0F1F3;
        line-height: 1.5;
        position: relative;
    }
   .m-platform .feature-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 16px;
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: #165DFF;
        opacity: 0.5;
    }
   .m-platform .feature-list li:last-child {
        border-bottom: none;
    }

    /* ==================== 业务模式卡片 ==================== */
   .m-platform .business-section {
        background: #FFFFFF;
    }
   .m-platform .business-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
        margin-bottom: 60px;
        position: relative;
        z-index: 1;
    }
   .m-platform .business-card {
        min-height: 260px;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
   .m-platform .business-title {
        font-size: 24px;
        font-weight: 700;
        color: #165DFF;
        margin-bottom: 10px;
    }
   .m-platform .business-desc {
        font-size: 15px;
        color: #4E5969;
        margin-bottom: 24px;
        line-height: 1.6;
    }
   .m-platform .business-list {
        list-style: none;
        padding: 0;
    }
   .m-platform .business-list li {
        font-size: 14px;
        color: #4E5969;
        padding: 8px 0 8px 18px;
        border-bottom: 1px solid #F0F1F3;
        position: relative;
    }
   .m-platform .business-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 14px;
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: #165DFF;
        opacity: 0.5;
    }
   .m-platform .business-list li:last-child {
        border-bottom: none;
    }

    /* 数据定制化服务 */
   .m-platform .data-service {
        padding: 48px 40px;
    }
   .m-platform .data-service h4 {
        font-size: 22px;
        font-weight: 700;
        color: #1D2129;
        margin-bottom: 16px;
    }
   .m-platform .data-service > p {
        font-size: 16px;
        color: #4E5969;
        margin-bottom: 36px;
    }
   .m-platform .data-items {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
   .m-platform .data-item {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
   .m-platform .data-label {
        font-size: 17px;
        font-weight: 700;
        color: #165DFF;
    }
   .m-platform .data-desc {
        font-size: 14px;
        color: #4E5969;
        line-height: 1.6;
    }

    /* ==================== 响应式 ==================== */
   @media (max-width: 768px) {
       .m-platform .section-num {
            font-size: clamp(120px, 40vw, 250px);
        }
       .m-platform .hero-section {
            padding: 140px 0 80px;
        }
       .m-platform .hero-stats {
            gap: 30px;
        }
       .m-platform .hero-stat-num {
            font-size: 32px;
        }
       .m-platform .versions-grid {
            grid-template-columns: 1fr;
        }
       .m-platform .features-grid {
            grid-template-columns: repeat(2, 1fr);
        }
       .m-platform .business-grid {
            grid-template-columns: 1fr;
        }
       .m-platform .data-items {
            grid-template-columns: 1fr;
        }
    }