/* 响应式设计样式文件 - 美化版本 */

/* 基础变量定义 - 现代化配色方案 */
:root {
    --primary-color: #2A6496;
    --secondary-color: #1E4B7B;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --info-color: #17A2B8;
    --background-color: #F8FAFC;
    --card-background: #FFFFFF;
    --text-color: #2C3E50;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* 全局样式重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    background-attachment: fixed;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    padding: 0;
    margin: 0;
    min-height: 100vh;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 卡片样式 */
.card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

/* 报价表单容器样式 */
.quote-box {
    max-width: 900px;
    margin: 40px auto;
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.quote-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
}

/* 表单元素样式优化 */
.form-control,
.form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    font-size: 16px;
    transition: var(--transition);
    background-color: var(--card-background);
}

.form-control::placeholder,
.form-select::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(42, 100, 150, 0.1);
    outline: none;
    transform: translateY(-1px);
}

/* 按钮样式优化 */
.btn {
    font-size: 16px;
    padding: 12px 24px;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #20c997);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838, #1ea072);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.3);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* 文本样式 */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

h3 {
    font-weight: 600;
    text-align: center;
    font-size: 1.8rem;
}

h5 {
    font-weight: 600;
    margin: 25px 0 15px;
    font-size: 1.2rem;
    color: var(--text-color);
}

p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 房间卡片样式 */
.room-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    background: var(--card-background);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.room-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.room-title {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

/* 警告框样式 */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.08);
    color: var(--success-color);
    border-color: rgba(40, 167, 69, 0.2);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.08);
    color: var(--danger-color);
    border-color: rgba(220, 53, 69, 0.2);
}

/* 实时报价区域样式优化 */
.quote-total {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.05), rgba(23, 162, 184, 0.05));
    border: 1px solid rgba(40, 167, 69, 0.2);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 30px 0;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.quote-total::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--success-color), var(--info-color));
}

.quote-total h4 {
    color: var(--success-color);
    margin: 0 0 15px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.quote-total-price {
    font-size: 36px;
    font-weight: bold;
    color: var(--success-color);
    margin: 10px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.quote-total:hover .quote-total-price {
    transform: scale(1.05);
}

/* 项目分类样式优化 */
.category-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8fafc;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.category-section:hover {
    background-color: #f1f5f9;
    border-color: var(--primary-color);
}

.category-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* 项目选择框样式 */
.item-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: var(--transition);
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
}

.form-check:hover {
    background-color: #f8fafc;
    border-color: var(--primary-color);
}

.form-check-input {
    margin: 0;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-check-label {
    cursor: pointer;
    margin: 0;
    font-size: 14px;
    color: var(--text-color);
}

/* 必填项标记美化 */
.required {
    position: relative;
    padding-right: 20px;
}

.required:after {
    content: '*';
    position: absolute;
    right: 5px;
    color: var(--danger-color);
    font-weight: bold;
    font-size: 1.2em;
}

/* 桌面端以上响应式设计 */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .quote-box {
        max-width: 960px;
        padding: 45px;
    }
    
    .room-card {
        padding: 25px;
    }
}

/* 平板端响应式设计 (992px - 1199px) */
@media (max-width: 992px) {
    .quote-box {
        margin: 30px 20px;
        padding: 35px;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .quote-total-price {
        font-size: 32px;
    }
}

/* 小平板和大屏手机响应式设计 (768px - 991px) */
@media (max-width: 768px) {
    .quote-box {
        margin: 20px 15px;
        padding: 25px;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h2::after {
        width: 60px;
    }
    
    .quote-total {
        padding: 20px;
    }
    
    .quote-total-price {
        font-size: 28px;
    }
    
    .row > div {
        margin-bottom: 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 15px;
    }
    
    .form-control,
    .form-select {
        padding: 12px 15px;
        font-size: 15px;
    }
    
    .room-card {
        padding: 18px;
    }
    
    .category-title {
        font-size: 15px;
    }
    
    .item-checkboxes {
        gap: 10px;
    }
    
    .form-check {
        padding: 7px 10px;
    }
    
    .form-check-label {
        font-size: 13px;
    }
}

/* 手机端响应式设计 (576px - 767px) */
@media (max-width: 576px) {
    .quote-box {
        margin: 15px 10px;
        padding: 20px;
    }
    
    h2 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    h2::after {
        width: 50px;
        height: 2px;
    }
    
    h3 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    
    h5 {
        font-size: 1.1rem;
        margin: 20px 0 12px;
    }
    
    .quote-total {
        padding: 16px;
        margin: 20px 0;
    }
    
    .quote-total h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .quote-total-price {
        font-size: 24px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
        padding: 12px;
        font-size: 15px;
    }
    
    .room-card {
        padding: 15px;
    }
    
    .alert {
        padding: 14px 16px;
        font-size: 14px;
        gap: 10px;
    }
    
    /* 优化移动端表单元素的点击区域 */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="number"],
    select,
    textarea {
        min-height: 44px;
        font-size: 16px;
    }
    
    /* 优化移动端按钮点击区域 */
    button {
        min-height: 44px;
    }
    
    .item-checkboxes {
        flex-direction: column;
        gap: 8px;
    }
    
    .form-check {
        width: 100%;
        justify-content: flex-start;
    }
}

/* 超小屏幕手机响应式设计 (<576px) */
@media (max-width: 400px) {
    .quote-box {
        margin: 10px 5px;
        padding: 16px;
    }
    
    h2 {
        font-size: 1.4rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    .form-control,
    .form-select {
        padding: 10px 12px;
    }
    
    .quote-total-price {
        font-size: 20px;
    }
    
    .category-title {
        font-size: 14px;
    }
    
    .form-check-label {
        font-size: 12px;
    }
}

/* 移动端优化：防止文本被选中 */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 移动端优化：滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 添加卡片进入动画 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.room-card {
    animation: slideIn 0.5s ease-out;
}

/* 交互反馈优化 */
input:focus,
select:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 表单验证状态样式 */
input:invalid,
select:invalid {
    border-color: var(--danger-color);
}

input:valid,
select:valid {
    border-color: var(--success-color);
}

/* 页脚样式美化 */
.quote-box footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* 增强的用户体验效果 */
.quote-total-price {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    50% {
        text-shadow: 0 4px 8px rgba(40, 167, 69, 0.2);
    }
    100% {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
}