:root {
        --primary-red: #881815;
        --dark-bg: #202020;
        --card-bg: rgba(255, 255, 255, 0.03);
        --card-border: rgba(255, 255, 255, 0.1);
        --text-light: #f4f4f4;
        --text-muted: #aaa;
        --white: #ffffff;
        --img-placeholder: rgba(255, 255, 255, 0.05);
        
        /* 字体变量 */
        --font-title-alt: 'Saira Extra Condensed', sans-serif;
        --font-main: 'Montserrat', sans-serif;
    }
    
    body .custom_imageModal{ 
        font-family: var(--font-main); 
        background: var(--dark-bg); 
        padding: 40px 20px; 
        margin: 0;
        color: var(--text-light);
        line-height: 1.5;
    }

    .custom_imageModal .quote-wrapper {
        width: 100%;
        max-width: 1150px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1fr 380px;
        gap: 30px;
    }

    .custom_imageModal .content {
        background: rgba(255, 255, 255, 0.015);
        border: 1px solid var(--card-border);
        border-radius: 12px;
        padding: 40px;
    }

    .custom_imageModal .step-section {
        margin-bottom: 50px;
    }

    .custom_imageModal .step-title {
        font-family: var(--font-main);
        font-size: 15px;
        font-weight: 700; 
        text-transform: uppercase;
        color: var(--white);
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        letter-spacing: 1px;
    }

    .custom_imageModal .step-title span {
        background: var(--primary-red);
        color: white;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-right: 12px;
        font-size: 13px;
        font-weight: 700;
    }

    .custom_imageModal .upload-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .custom_imageModal .upload-box {
        aspect-ratio: 1 / 1; 
        border: 2px dashed var(--card-border);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s ease;
        background: rgba(255, 255, 255, 0.02);
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .custom_imageModal .upload-box:hover {
        border-color: var(--primary-red);
        background: rgba(136, 24, 21, 0.05);
    }

    /* 修改：确保图片填充整个上传框 */
    .custom_imageModal .upload-box img {
        width: 100%;
        height: 100%;
        object-fit: cover; /* 修改：由 contain 改为 cover */
        position: absolute;
        top: 0;
        left: 0;
    }

    .custom_imageModal .upload-box span {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-muted);
        z-index: 1;
    }

    .custom_imageModal .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 12px;
    }

    .custom_imageModal .card-grid-img {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 12px;
    }

    .custom_imageModal .option-card {
        position: relative;
        border: 1px solid var(--card-border);
        border-radius: 8px;
        padding: 12px;
        cursor: pointer;
        transition: all 0.2s ease;
        background: var(--card-bg);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .custom_imageModal .option-card.centered {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .custom_imageModal .option-card:hover {
        border-color: rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.05);
    }

    .custom_imageModal .option-card.selected {
        border-color: var(--primary-red);
        background: rgba(136, 24, 21, 0.15);
        box-shadow: 0 0 10px rgba(136, 24, 21, 0.2);
    }

    .custom_imageModal .info-icon {
        position: absolute;
        top: 8px;
        right: 8px;
        width: 18px;
        height: 18px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        font-weight: 700;
        color: var(--text-muted);
        transition: 0.2s;
        z-index: 10;
    }

    .custom_imageModal .info-icon:hover {
        background: var(--primary-red);
        color: white;
        transform: scale(1.1);
    }

    .custom_imageModal .img-slot {
        width: 50px;
        height: 50px;
        background: var(--img-placeholder);
        border-radius: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-size: 10px;
        color: #555;
        text-transform: uppercase;
        overflow: hidden;
        position: relative;
    }

    .custom_imageModal .img-slot img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .custom_imageModal .label {
        font-family: var(--font-main);
        font-size: 12px;
        font-weight: 400;
        color: var(--text-muted);
        letter-spacing: 0.3px;
    }

    .custom_imageModal .selected .label { color: var(--white); font-weight: 600; }

    .custom_imageModal .modal-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.85);
        display: none;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        cursor: pointer;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .custom_imageModal .modal-overlay.active {
        display: flex;
        opacity: 1;
    }

    .custom_imageModal .modal-content {
        max-width: 90%;
        max-height: 90%;
        background: #252525;
        border-radius: 12px;
        padding: 24px;
        position: relative;
        cursor: default;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .custom_imageModal .modal-overlay.active .modal-content {
        animation: slideDown 0.4s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
    }

    @keyframes slideDown {
        from { transform: translateY(-80px); opacity: 0; }
        to { transform: translateY(0); opacity: 1; }
    }

    .custom_imageModal .modal-img-placeholder {
        width: 500px;
        height: 500px;
        max-width: 100%;
        background: var(--img-placeholder);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: #444;
        font-weight: 700;
        overflow: hidden;
    }

    .custom_imageModal .modal-img-placeholder img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .custom_imageModal .modal-title {
        margin-top: 15px;
        text-align: center;
        font-family: var(--font-main);
        font-size: 20px;
        font-weight: 600;
        color: var(--white);
    }

    .custom_imageModal .sidebar {
        position: sticky;
        top: 20px;
        height: fit-content;
    }

    .custom_imageModal .summary-card {
        background: #181818;
        border: 1px solid var(--card-border);
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }

    .custom_imageModal .summary-header {
        background: var(--primary-red);
        padding: 18px;
        text-align: center;
    }
    
    .custom_imageModal .summary-header h3 {
        font-family: var(--font-main);
        margin: 0;
        font-size: 14px;
        letter-spacing: 1px;
        text-transform: uppercase;
        font-weight: 700;
    }

    .custom_imageModal .summary-content { padding: 30px; }

    /* 价格展示区域 UI 优化 */
    .custom_imageModal .price-display {
        text-align: center;
        margin-bottom: 30px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        padding-bottom: 25px;
    }
    .custom_imageModal .total-amount { 
        font-size: 42px; 
        font-weight: 800; 
        color: var(--white); 
        display: block; 
        line-height: 1.1; 
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }
    
    .custom_imageModal .price-breakdown {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        background: rgba(255, 255, 255, 0.02);
        padding: 12px 5px;
        border-radius: 8px;
    }
    .custom_imageModal .breakdown-item {
        display: flex;
        flex-direction: column;
        gap: 6px;
        position: relative;
    }
    .custom_imageModal .breakdown-item:not(:last-child)::after {
        content: "";
        position: absolute;
        right: -6px;
        top: 20%;
        height: 60%;
        width: 1px;
        background: rgba(255,255,255,0.05);
    }
    .custom_imageModal .breakdown-label {
        font-size: 9px;
        text-transform: uppercase;
        color: rgba(255, 255, 255, 0.5);
        letter-spacing: 0.8px;
        font-weight: 700;
    }
    .custom_imageModal .breakdown-value {
        font-size: 16px; 
        color: var(--white);
        font-weight: 700;
        letter-spacing: -0.2px;
    }

    .custom_imageModal .selection-list { margin: 0; padding: 0; list-style: none; }
    
    .custom_imageModal .selection-item {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        font-size: 13px;
        margin-bottom: 14px;
        color: var(--text-muted);
    }

    .custom_imageModal .selection-item .item-label {
        flex-shrink: 0;
        width: 100px; 
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .custom_imageModal .selection-item .dot-filler {
        flex-grow: 1;
        border-bottom: 1px dotted rgba(255,255,255,0.15);
        margin: 0 5px;
        position: relative;
        top: -4px;
    }

    .custom_imageModal .selection-item .item-value {
        color: var(--white);
        font-weight: 600;
        text-align: right;
        flex-shrink: 0;
    }

    .custom_imageModal .checkout-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        background: var(--primary-red);
        color: white;
        padding: 15px;
        border-radius: 6px;
        text-decoration: none;
        font-weight: 700;
        font-size: 14px;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-top: 25px;
        transition: 0.3s;
        box-sizing: border-box;
    }

    .custom_imageModal textarea {
        width: 100%;
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: 8px;
        padding: 15px;
        color: var(--text-light);
        font-family: var(--font-main);
        font-size: 13px;
        min-height: 100px;
        box-sizing: border-box;
    }
    
    @media (max-width: 950px) {
        .custom_imageModal .quote-wrapper { grid-template-columns: 1fr; }
        .custom_imageModal .sidebar { position: static; }
    }