/* 全局基础样式 - 微信生态配色 */
:root {
    /* 主色调 - 微信绿 */
    --primary-color: #07c160;
    --primary-dark: #06ad56;
    --primary-light: #95dcb2;

    /* 辅助色 */
    --success-color: #07c160;
    --info-color: #07c160;
    --warning-color: #faad14;

    /* 文字颜色 */
    --text-primary: #1f1f1f;
    --text-secondary: #666666;
    --text-light: #999999;

    /* 背景颜色 */
    --bg-color: #ffffff;
    --bg-secondary: #fafafa;
    --card-bg: #ffffff;

    /* 边框颜色 */
    --border-color: #e8e8e8;
    --border-light: #f0f0f0;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
                 'Microsoft YaHei', 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
                 'Noto Sans SC', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji',
                 'Segoe UI Symbol', 'Noto Color Emoji';
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 移动端优先的容器 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

/* 表格样式 */
.price-table {
    width: 100%;
    border-collapse: collapse;
}

.price-table th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.95rem;
}

.price-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    border-left: none;
    border-right: none;
}

.price-table tr:hover td {
    background: var(--bg-secondary);
}

.price-table .service-module {
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
}

.price-table .sub-module {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.price-table .price-cell {
    font-weight: normal;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.price-table .total-row {
    background: #fff7e6;
    font-weight: 700;
}

.price-table .total-row td {
    color: var(--text-primary);
    border-bottom: none;
    padding: 14px 16px;
    border-left: none;
    border-right: none;
    border-top: 2px solid var(--primary-color);
}

.price-table .total-row:last-child td {
    border-top: 3px solid var(--primary-color);
    padding: 18px 16px;
    font-size: 1.1rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 85, 46, 0.2);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(255, 85, 46, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #389e0d);
}

.btn-success:hover {
    box-shadow: 0 4px 12px rgba(82, 196, 26, 0.2);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

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

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    background-color: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

/* select自定义placeholder样式 */
.select-wrapper {
    position: relative;
}

.select-placeholder {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    padding: 15px 0;
    color: var(--text-light);
    pointer-events: none;
    transition: opacity 0.3s;
    font-size: 16px;
    white-space: nowrap;
    z-index: 1;
}

/* 没有用户选择时，select文字透明 */
.smart-select:not(.has-value) {
    color: transparent;
}

/* 有用户选择时，恢复正常 */
.smart-select.has-value {
    color: #333;
}

/* 有值时隐藏placeholder */
.smart-select.has-value + .select-placeholder {
    opacity: 0;
    visibility: hidden;
}

/* 卡片样式 */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

/* 响应式设计 - 移动端优先 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .price-table th {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .price-table td {
        padding: 10px 12px;
        font-size: 0.8rem;
    }

    .price-table .service-module {
        font-weight: normal;
    }
}

@media (max-width: 480px) {
    .price-table th,
    .price-table td {
        padding: 8px 10px;
        font-size: 0.75rem;
    }

    .price-table .total-row td {
        padding: 10px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .contact-options {
        flex-direction: column;
    }
    
    .contact-button {
        width: 100%;
        text-align: center;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

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