:root {
    --alex-primary: #2563eb;
    --alex-secondary: #1e40af;
    --alex-accent: #3b82f6;
    --alex-light: #f0f9ff;
    --alex-dark: #1e293b;
    --alex-gray: #6b7280;
    --alex-success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

.alex-body {
    background-color: #f8fafc;
    color: var(--alex-dark);
    line-height: 1.6;
}

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

/* Banner 区域 */
.alex-banner {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.alex-banner-image {
    width: 100%;
    height: 100%;
}

.alex-banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.alex-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(52, 53, 53, 0.7), rgba(68, 68, 68, 0.8));
}

.alex-banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    width: 100%;
    padding: 0 20px;
}

.alex-banner-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    color: #f0f9ff !important;
}

.alex-banner-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* 面包屑导航 */
.alex-breadcrumb {
    background-color: white;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.alex-breadcrumb-list {
    display: flex;
    list-style: none;
}

.alex-breadcrumb-item {
    font-size: 0.9rem;
    color: var(--alex-gray);
}

.alex-breadcrumb-item:not(:last-child)::after {
    content: ">";
    margin: 0 10px;
}

.alex-breadcrumb-item:last-child {
    color: var(--alex-primary);
    font-weight: 600;
}

/* 公司信息区域 */
.alex-contact-info {
    display: flex;
    justify-content: space-between;
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 50px;
}

.alex-contact-item {
    flex: 1;
    text-align: center;
    padding: 0 20px;
}

.alex-contact-item:not(:last-child) {
    border-right: 1px solid #e5e7eb;
}

.alex-contact-icon {
    width: 70px;
    height: 70px;
    background: var(--alex-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--alex-primary);
    font-size: 1.8rem;
}

.alex-contact-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--alex-dark);
}

.alex-contact-detail {
    color: var(--alex-gray);
    font-size: 1.1rem;
}

/* 图片和表单区域 */
.alex-contact-section {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.alex-contact-image {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.alex-contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.alex-contact-form-container {
    flex: 1;
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.alex-form-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--alex-dark);
}

.alex-form-subtitle {
    color: var(--alex-gray);
    margin-bottom: 30px;
}

.alex-form-group {
    margin-bottom: 20px;
}

.alex-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--alex-dark);
}

.alex-input, .alex-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.alex-input:focus, .alex-textarea:focus {
    border-color: var(--alex-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    outline: none;
}

.alex-textarea {
    min-height: 120px;
    resize: vertical;
}

.alex-btn {
    display: inline-block;
    background: linear-gradient(to right, var(--alex-primary), var(--alex-secondary));
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.alex-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.4);
}

/* 页脚 */
.alex-footer {
    background: var(--alex-dark);
    color: white;
    padding: 40px 0;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .alex-contact-section {
        flex-direction: column;
    }
    
    .alex-contact-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .alex-banner-title {
        font-size: 2.5rem;
    }
    
    .alex-contact-info {
        flex-direction: column;
        gap: 30px;
    }
    
    .alex-contact-item:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid #e5e7eb;
        padding-bottom: 30px;
    }
    
    .alex-contact-form-container {
        padding: 30px 20px;
    }
}