/* 基础样式重置 */
        .custom-form-modal__reset-styles * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        /* 弹窗容器 */
        .ds-custom-form-modal__container-wrapper {
            position: fixed;
            left: 10px;
            bottom: 25px;
            z-index: 9999;
            transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
        }
        
        /* 关闭按钮 */
        .ds-custom-form__toggle-button-element {
            position: absolute;
            top: 15px;
            right: 15px;
            background: #d32f2f;
            color: white;
            border: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        
        .ds-custom-form__toggle-button-element:hover {
            background: #b71c1c;
        }
        
        /* 箭头样式 */
        .arrow-down::before {
            content: "↓";
            display: inline-block;
        }
        
        .arrow-up::before {
            content: "↑";
            display: inline-block;
        }
        
        /* 表单主体 */
        .ds-custom-form-modal__form-structure {
            width: 300px;
            background: linear-gradient(145deg, #f44336, #e8b8b8);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(211, 47, 47, 0.4);
            overflow: hidden;
            position: relative;
        }
        
        .ds-custom-form-modal__header-section {
            background: rgba(0, 0, 0, 0.15);
            padding: 20px;
            text-align: center;
            cursor: pointer;
        }
        
        .ds-custom-form-modal__title-element {
            color: white;
            font-size: 1.5rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .ds-custom-form-modal__form-body {
            padding: 25px;
            transition: all 0.3s ease;
        }
        
        .ds-custom-form-modal__form-body.hidden {
            display: none;
        }
        
        .ds-custom-form-modal__input-group {
            margin-bottom: 10px;
            position: relative;
        }
        
        .ds-custom-form-modal__input-label {
            display: block;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 0.9rem;
        }
        
        .ds-custom-form-modal__required-indicator {
            color: #ffeb3b;
            margin-left: 4px;
        }
        
        .ds-custom-form-modal__input-field {
            width: 100%;
            padding: 14px 15px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.15);
            color: white;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .ds-custom-form-modal__input-field:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.25);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
        }
        
        .ds-custom-form-modal__input-field::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        
        /* 提交按钮 */
        .ds-custom-form-modal__submit-button {
            width: 100%;
            padding: 15px;
            background: #ff5252;
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .ds-custom-form-modal__submit-button:hover {
            background: #ff1744;
            transform: translateY(-2px);
            box-shadow: 0 6px 8px rgba(0,0,0,0.15);
        }
        
        .ds-custom-form-modal__submit-button:active {
            transform: translateY(0);
        }
        
        .ds-custom-form-modal__submit-button.success {
            background: #4caf50;
        }
        
        /* 错误提示 */
        .ds-custom-form-modal__error-message {
            color: #ffeb3b;
            font-size: 0.85rem;
            margin-top: 6px;
            display: none;
        }
        
        /* 响应式调整 */
        @media (max-width: 480px) {
            .ds-custom-form-modal__form-structure {
                width: 300px;
            }
            
            .ds-custom-form-modal__container-wrapper {
                left: 15px;
                bottom: 15px;
            }
        }
        
        /* 动画效果 */
        @keyframes ds-custom-form__pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(255, 82, 82, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0); }
        }
        
        .ds-custom-form-modal__form-structure {
            animation: ds-custom-form__pulse 2s infinite;
        }