.iti__selected-flag {
    background-color: transparent !important; /* 透明背景 */
    background-image: none !important; /* 移除可能的背景图片 */
}

/* 可选：如果点击/聚焦时有背景色也一并移除 */
.iti__selected-flag:focus,
.iti__selected-flag:hover,
.iti__selected-flag:active {
    background-color: transparent !important;
}
.iti__flag {
    width: 20px;
    height: 15px;
}
 .book-trip {
     font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
     max-width: 800px;
     background: #ffffff;
     border-radius: 12px;
     box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
     overflow: hidden;
 }

/* 标题样式 */
.book-trip .col-title {
    background: linear-gradient(135deg, #9F5890 0%, #6E486B 100%);
    color: white;
}
.book-trip h2.bolder-600 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 表单容器 */
.book-trip .pl_20.pr_20 {
    padding: 30px 20px;
}
.book-trip .mb-3.col-md-12.d-flex.align-items-center {
    gap: 6px;
}

/* 表单行样式 */
.book-trip .row {
    margin: 0;
}

.book-trip .mb-3 {
    margin-bottom: 20px !important;
}

/* 标签样式 */
.book-trip .form-label {
    color: #2d3748;
    font-weight: 500;
    margin-bottom: 0;
}

.book-trip .not-null {
    color: #e53e3e;
    margin-right: 4px;
}

/* 输入框容器 */
.book-trip .form-value-box {
    position: relative;
}

/* 输入框、下拉框、文本域通用样式 */
.book-trip .form-control.v1 {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    color: #2d3748;
    transition: all 0.3s ease;
    background-color: #ffffff;
    box-sizing: border-box;
}

.book-trip .form-control.v1:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

/* 下拉框样式优化 */
.book-trip select.form-control.v1 {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23718096' d='M10.914 0.914a1 1 0 0 1 0 1.414L6.414 6.414a1 1 0 0 1-1.414 0L1.086 2.328a1 1 0 0 1 1.414-1.414L6 4.586l3.486-3.486a1 1 0 0 1 1.414 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

/* 文本域样式 */
.book-trip textarea.form-control {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

/* 错误提示样式 */
.smk-input-error {
    border-color: #e53e3e !important;
}
.book-trip .col-title h2 {
    color: #ffb500 ! important;
}
#formDataUserPhone-error {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #e53e3e;
    line-height: 1.4;
}

/* 提交按钮样式 */
.book-trip .btn-v1 {
    background: linear-gradient(135deg, #9F5890 0%, #8A4A87 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(159, 88, 144, 0.2);
}


.book-trip .btn-v1:hover {
    background: linear-gradient(135deg, #6d1d5c 0%, #6f1c6b 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(159, 88, 144, 0.3);
}
.book-trip .btn-v1:active {
    transform: translateY(0);
}

/* intl-tel-input 插件样式适配 */
.book-trip .iti {
    width: 100%;
}

.book-trip .iti__flag-container {
    padding: 0 10px;
}

.book-trip .iti__selected-flag {
    padding: 0 10px;
    height: 44px;
}

.book-trip input#formDataUserPhone {
    padding-left: 100px !important;
    height: 44px;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .book-trip {
        margin: 10px;
    }

    .book-trip .col-title {
        padding: 15px;
    }

    .book-trip .pl_20.pr_20 {
        padding: 20px 15px;
    }

    .book-trip .mb-3.col-md-12.d-flex {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .book-trip .form-label.font-15.v1.w-25 {
        width: 100% !important;
        margin-bottom: 8px;
    }
}