/* 全局样式 */
:root {
    --primary-color: #5865f2;
    --secondary-color: #7289da;
    --success-color: #57f287;
    --warning-color: #faa61a;
    --danger-color: #ed4245;
    --dark-color: #2c2f33;
    --light-color: #f8f9fa;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* 主页横幅 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-image {
    text-align: center;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 功能卡片 */
.feature-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* 操作面板 */
.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    border-bottom: none;
    padding: 1.5rem;
}

.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(88, 101, 242, 0.25);
}

.btn {
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(88, 101, 242, 0.4);
}

/* 价格方案 */
.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.card.border-primary {
    border-width: 3px !important;
}

/* 进度条 */
.progress {
    height: 10px;
    border-radius: 5px;
    background-color: #e9ecef;
}

.progress-bar {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

/* 状态显示 */
#statusDisplay {
    min-height: 100px;
}

.status-item {
    padding: 10px;
    margin: 5px 0;
    border-radius: 8px;
    background-color: #f8f9fa;
    border-left: 4px solid var(--primary-color);
}

.status-success {
    border-left-color: var(--success-color);
    background-color: #d4edda;
}

.status-error {
    border-left-color: var(--danger-color);
    background-color: #f8d7da;
}

.status-warning {
    border-left-color: var(--warning-color);
    background-color: #fff3cd;
}

/* 联系信息 */
.contact-info p {
    margin-bottom: 10px;
}

.contact-info i {
    width: 20px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .feature-card {
        margin-bottom: 20px;
    }
    
    .price {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* 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); }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 表单验证样式 */
.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(237, 66, 69, 0.25);
}

.form-control.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.2rem rgba(87, 242, 135, 0.25);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: var(--danger-color);
}

/* 模态框样式 */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 15px 15px 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    min-width: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.notification-success {
    background-color: var(--success-color);
    color: white;
}

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

.notification-warning {
    background-color: var(--warning-color);
    color: white;
}

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