/* ----- 核心模块样式 (无变化) ----- */
        .partner-start-module {
            display: block;
            font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
            width: 100%;
            max-width: 100%;
            background: transparent;
            line-height: 1.5;
            color: #1a2b3c;
            overflow-x: hidden;
            box-sizing: border-box;
            padding: 1rem 0;
        }

        .partner-start-module .service-card {
            background: #ffffff;
            border-radius: 2rem;
            box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.06), 0 1px 0 0 rgba(199, 36, 177, 0.1);
            padding: 2rem 1.8rem;
            border: 1px solid #eceaf0;
            position: relative;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            box-sizing: border-box;
            overflow: hidden;
        }

        /* 马列维奇几何背景装饰 (无变化) */
        .partner-start-module .suprematist-bg {
            position: absolute;
            pointer-events: none;
            z-index: 0;
        }
        .partner-start-module .suprematist-bg .block-black {
            position: absolute;
            background: #1a1a1a;
            opacity: 0.08;
        }
        .partner-start-module .suprematist-bg .block-black-1 {
            width: 80px;
            height: 80px;
            top: 5%;
            right: 8%;
            transform: rotate(15deg);
        }
        .partner-start-module .suprematist-bg .block-black-2 {
            width: 50px;
            height: 50px;
            bottom: 10%;
            left: 5%;
            transform: rotate(-10deg);
        }
        .partner-start-module .suprematist-bg .block-red {
            position: absolute;
            background: #e63946;
            opacity: 0.08;
        }
        .partner-start-module .suprematist-bg .block-red-1 {
            width: 60px;
            height: 60px;
            top: 30%;
            right: 2%;
            transform: rotate(25deg);
        }
        .partner-start-module .suprematist-bg .block-red-2 {
            width: 40px;
            height: 40px;
            bottom: 20%;
            right: 12%;
            transform: rotate(-20deg);
        }
        .partner-start-module .suprematist-bg .block-purple {
            position: absolute;
            background: #c724b1;
            opacity: 0.08;
        }
        .partner-start-module .suprematist-bg .block-purple-1 {
            width: 70px;
            height: 70px;
            top: 15%;
            left: 3%;
            transform: rotate(8deg);
            border-radius: 50%;
        }
        .partner-start-module .suprematist-bg .block-purple-2 {
            width: 45px;
            height: 45px;
            bottom: 30%;
            left: 15%;
            transform: rotate(-15deg);
        }
        .partner-start-module .suprematist-bg .line {
            position: absolute;
            background: #c724b1;
            opacity: 0.06;
            height: 2px;
        }
        .partner-start-module .suprematist-bg .line-1 {
            width: 120px;
            top: 20%;
            left: 10%;
            transform: rotate(30deg);
        }
        .partner-start-module .suprematist-bg .line-2 {
            width: 80px;
            bottom: 15%;
            right: 15%;
            transform: rotate(-20deg);
        }
        .partner-start-module .suprematist-bg .circle-outline {
            position: absolute;
            border: 2px solid #c724b1;
            border-radius: 50%;
            opacity: 0.06;
        }
        .partner-start-module .suprematist-bg .circle-outline-1 {
            width: 100px;
            height: 100px;
            top: 8%;
            left: 20%;
        }

        .partner-start-module .title-section {
            text-align: center;
            margin-bottom: 2.5rem;
            border-bottom: 2px solid #c724b1;
            padding-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }
        .partner-start-module .title-section h2 {
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
            color: #1e1e24;
            letter-spacing: -0.5px;
        }
        .partner-start-module .title-section .sub {
            font-size: 0.95rem;
            color: #c724b1;
            font-weight: 400;
        }

        /* 构成主义装饰图片容器 */
        .partner-start-module .art-image-container {
            text-align: center;
            margin: 0 0 2rem 0;
            padding: 0.5rem;
            background: rgba(199, 36, 177, 0.02);
            border-radius: 1.5rem;
            border: 1px solid rgba(199, 36, 177, 0.06);
            position: relative;
            z-index: 1;
        }
        .partner-start-module .art-image-container img {
            display: block;
            max-width: 100%;
            height: auto;
            max-height: 180px;
            width: auto;
            margin: 0 auto;
            border-radius: 1rem;
            opacity: 0.9;
            transition: opacity 0.3s ease;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
        }
        .partner-start-module .art-image-container img:hover {
            opacity: 1;
        }

        /* --- 平行四边形叠放布局 --- */
        .partner-start-module .step-interlocking {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: stretch;
            gap: 0;
            margin-bottom: 3rem;
            position: relative;
            z-index: 1;
            padding: 0 2%;
        }

        .partner-start-module .step-interlocking .step-card {
            flex: 1 1 280px;
            min-width: 220px;
            padding: 1.8rem 1.5rem 1.5rem 1.5rem;
            background: #ffffff;
            position: relative;
            transition: all 0.3s ease;
            z-index: 1;
            display: flex;
            flex-direction: column;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(2px);
            transform: skewX(-8deg) translateY(4px);
            margin: 0 -12px;
            border: 2px solid #c724b1;
            border-width: 2px 0 2px 0;
            box-shadow: -3px 3px 15px rgba(199,36,177,0.05);
        }

        /* 第一张：左移一点 (translateX 从 20px 改为 8px) */
        .partner-start-module .step-interlocking .step-card:nth-child(1) {
            border-left-width: 2px;
            border-right-width: 0;
            z-index: 3;
            margin-left: 0;
            transform: skewX(-8deg) translateY(16px) translateX(8px);
            border-radius: 0;
            background: rgba(255,255,255,0.98);
            box-shadow: 6px 8px 25px rgba(199,36,177,0.08), -3px 3px 15px rgba(199,36,177,0.05);
        }

        /* 第二张：向上移动 */
        .partner-start-module .step-interlocking .step-card:nth-child(2) {
            border-left-width: 0;
            border-right-width: 0;
            z-index: 5;
            transform: skewX(-8deg) translateY(-8px) scale(1.02);
            background: rgba(255,255,255,1);
            box-shadow: 0 8px 30px rgba(199,36,177,0.08), -3px 3px 15px rgba(199,36,177,0.05);
        }

        /* 第三张：固定为更高的 z-index，使其始终在第二张之上 */
        .partner-start-module .step-interlocking .step-card:nth-child(3) {
            border-left-width: 0;
            border-right-width: 2px;
            z-index: 6;
            margin-right: 0;
            transform: skewX(-8deg) translateY(4px) translateX(-6px);
            border-radius: 0;
            background: rgba(255,255,255,0.98);
            box-shadow: -2px 3px 15px rgba(199,36,177,0.04);
        }

        /* 内容反向变形 */
        .partner-start-module .step-card .step-inner {
            transform: skewX(8deg);
        }

        /* 卡片内容 */
        .partner-start-module .step-card .step-number {
            font-size: 0.7rem;
            color: #c724b1;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 0.3rem;
        }
        .partner-start-module .step-card .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1e1e24;
            margin: 0.2rem 0 0.3rem 0;
        }
        .partner-start-module .step-card .step-desc {
            font-size: 0.85rem;
            color: #5a5a6a;
            line-height: 1.5;
            flex-grow: 1;
        }

        /* 几何装饰音符 */
        .partner-start-module .step-card .geo-note {
            position: absolute;
            font-size: 1.8rem;
            color: rgba(199,36,177,0.08);
            pointer-events: none;
        }
        .partner-start-module .step-card:nth-child(1) .geo-note {
            bottom: 8px;
            right: 12px;
            transform: rotate(15deg);
            font-size: 2rem;
        }
        .partner-start-module .step-card:nth-child(2) .geo-note {
            top: 6px;
            left: 10px;
            transform: rotate(-10deg);
            font-size: 1.6rem;
        }
        .partner-start-module .step-card:nth-child(3) .geo-note {
            bottom: 10px;
            left: 12px;
            transform: rotate(8deg);
            font-size: 1.8rem;
        }

        /* 悬停效果 */
        .partner-start-module .step-interlocking .step-card:hover {
            z-index: 10;
            box-shadow: 0 15px 40px rgba(199,36,177,0.15), -3px 3px 15px rgba(199,36,177,0.05);
            border-color: #c724b1;
            border-width: 2px 0 2px 0;
            transform: skewX(-8deg) translateY(4px) scale(1.03);
            transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        }
        .partner-start-module .step-interlocking .step-card:nth-child(1):hover {
            border-left-width: 2px;
            border-right-width: 0;
            transform: skewX(-8deg) translateY(16px) translateX(8px) scale(1.03);
        }
        .partner-start-module .step-interlocking .step-card:nth-child(2):hover {
            border-left-width: 0;
            border-right-width: 0;
            transform: skewX(-8deg) translateY(-8px) scale(1.03);
        }
        .partner-start-module .step-interlocking .step-card:nth-child(3):hover {
            z-index: 10;
        }

        @media (max-width: 900px) {
            .partner-start-module .step-interlocking {
                gap: 1.2rem;
                flex-direction: column;
                align-items: center;
                padding: 0;
            }
            .partner-start-module .step-interlocking .step-card {
                width: 100%;
                max-width: 380px;
                margin: 0 !important;
                transform: skewX(0deg) !important;
                border-width: 2px !important;
                border-left-width: 2px !important;
                border-right-width: 2px !important;
                border-radius: 30px !important;
                box-shadow: 0 4px 15px rgba(199,36,177,0.05) !important;
            }
            .partner-start-module .step-card .step-inner {
                transform: skewX(0deg);
            }
            .partner-start-module .step-interlocking .step-card:nth-child(1) {
                transform: skewX(0deg) translateY(0px) translateX(0px) !important;
                border-radius: 30px !important;
            }
            .partner-start-module .step-interlocking .step-card:nth-child(2) {
                transform: skewX(0deg) translateY(0px) !important;
                border-radius: 30px !important;
            }
            .partner-start-module .step-interlocking .step-card:nth-child(3) {
                transform: skewX(0deg) !important;
                border-radius: 30px !important;
            }
            .partner-start-module .step-interlocking .step-card:hover {
                transform: skewX(0deg) scale(1.02) !important;
                border-radius: 30px !important;
            }
            .partner-start-module .step-card .geo-note {
                display: none;
            }
            .partner-start-module .art-image-container img {
                max-height: 100px;
            }
        }

        /* 文档表格区域 (无变化) */
        .partner-start-module .file-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: white;
            border-radius: 1.2rem;
            overflow: hidden;
            border: 1px solid #eae7f1;
            font-size: 0.85rem;
            position: relative;
            z-index: 1;
        }
        .partner-start-module .file-table thead th {
            background: #fbfafd;
            color: #c724b1;
            font-weight: 600;
            padding: 0.9rem 1rem;
            text-align: left;
            border-bottom: 2px solid #c724b1;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .partner-start-module .file-table tbody td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #efecf5;
            color: #3a3a44;
            vertical-align: top;
        }
        .partner-start-module .file-table tbody tr:last-child td { border-bottom: none; }
        .partner-start-module .file-table tbody tr:hover { background: rgba(199, 36, 177, 0.02); }
        .partner-start-module .file-table .format-tag {
            display: inline-block;
            background: rgba(199, 36, 177, 0.08);
            color: #c724b1;
            padding: 0.15rem 0.6rem;
            border-radius: 3px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .partner-start-module .file-table .format-detail {
            font-size: 0.78rem;
            color: #5a5a6a;
            margin-top: 0.2rem;
            line-height: 1.4;
        }
        .partner-start-module .note-box {
            background: #fefafd;
            border-radius: 1rem;
            padding: 1rem 1.2rem;
            border: 1px solid rgba(199, 36, 177, 0.2);
            text-align: center;
            font-size: 0.9rem;
            color: #4a4a58;
            margin: 1.2rem 0;
            position: relative;
            z-index: 1;
        }
        .partner-start-module .note-box .highlight { color: #c724b1; font-weight: 600; }
        .partner-start-module .npi-card {
            background: linear-gradient(135deg, #faf7fc, #f3edf7);
            border-radius: 1.2rem;
            padding: 1.2rem 1.5rem;
            border: 1px solid rgba(199, 36, 177, 0.25);
            margin: 1.2rem 0 0.5rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            position: relative;
            z-index: 1;
        }
        .partner-start-module .npi-card .npi-left { display: flex; align-items: center; gap: 0.8rem; }
        .partner-start-module .npi-card .npi-icon { font-size: 2rem; color: #c724b1; }
        .partner-start-module .npi-card .npi-title { font-weight: 700; color: #1e1e24; font-size: 1.1rem; }
        .partner-start-module .npi-card .npi-desc { font-size: 0.85rem; color: #5a5a6a; }
        .partner-start-module .music-note { color: #c724b1 !important; font-size: 0.9rem; display: inline-block; margin-right: 0.2rem; }

        @media (max-width: 768px) {
            .partner-start-module .service-card { padding: 1.2rem; }
            .partner-start-module .title-section h2 { font-size: 1.5rem; }
            .partner-start-module .suprematist-bg { display: none; }
            .partner-start-module .file-table { font-size: 0.75rem; }
            .partner-start-module .file-table thead th,
            .partner-start-module .file-table tbody td { padding: 0.6rem; }
            .partner-start-module .npi-card { flex-direction: column; align-items: flex-start; }
            .partner-start-module .art-image-container {
                margin: 0 0 1rem 0;
                padding: 0.2rem;
            }
        }