:root {
    --primary-color: #1e9bff; /* 天蓝色 */
    --secondary-color: #ff4d4d; /* 红色 */
    --accent-color: #ff9800; /* 橙色 */
    --light-color: #f5f9ff;
    --dark-color: #2c3e50;
    --gray-color: #ecf0f1;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

body {
    background-color: #f8fafc;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 15px 0;
    position: relative;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 60px;
    width: auto;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.system-title {
    text-align: center;
    padding: 25px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2ab1ff 100%);
    color: white;
    margin-bottom: 40px;
    box-shadow: 0 4px 12px rgba(30, 155, 255, 0.2);
}

.system-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.system-title p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-top: 10px;
}

/* 主要内容区域 */
.main-content {
    flex: 1;
    padding: 30px 0 60px;
}

/* 查询框样式 */
.search-container {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
    transition: var(--transition);
}

.search-container:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

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

.search-subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 18px 20px;
    font-size: 1.1rem;
    border: 2px solid var(--gray-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    outline: none;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 155, 255, 0.2);
}

.search-btn {
    background: linear-gradient(to right, var(--primary-color), #2ab1ff);
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(30, 155, 255, 0.3);
}

.search-btn:hover {
    background: linear-gradient(to right, #0d8ae3, #1e9bff);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 155, 255, 0.4);
}

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

/* 结果页样式 */
.result-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
    max-width: 1000px;
    margin: 0 auto;
    transition: var(--transition);
}

.result-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-color);
}

.result-title {
    font-size: 1.8rem;
    color: var(--dark-color);
}

.query-info {
    color: #666;
    font-size: 0.95rem;
}

.result-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    border-bottom: 1px dashed #eee;
    padding-bottom: 15px;
}

.info-label {
    font-weight: 600;
    color: var(--dark-color);
    min-width: 120px;
}

.info-value {
    color: #444;
    flex: 1;
}

.certificate-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.certificate-img-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: var(--transition);
}

.certificate-img-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.certificate-img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.certificate-img-container:hover .certificate-img {
    transform: scale(1.02);
}

.zoom-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(255, 255, 255, 0.9);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.certificate-img-container:hover .zoom-icon {
    background-color: var(--primary-color);
    color: white;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--gray-color);
    color: var(--dark-color);
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    margin-top: 30px;
    transition: var(--transition);
}

.back-btn:hover {
    background-color: #e0e6ed;
    transform: translateX(-5px);
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    max-width: 800px;
    width: 100%;
    position: relative;
}

.modal-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.close-modal {
    position: absolute;
    top: -15px;
    right: -15px;
    background-color: var(--secondary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    transform: rotate(90deg);
    background-color: #ff3333;
}

/* 页脚样式 */
.footer {
    background-image: url('http://credential.hoosl.com.cn/images/bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 40px 0 20px;
    margin-top: auto;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 155, 255, 0.85);
    z-index: 1;
}

.footer-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    flex: 1;
    min-width: 300px;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.footer-link {
    color: white;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-color);
}

.footer-link:hover::after {
    width: 100%;
    background-color: var(--accent-color);
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.9;
}

.copyright p {
    margin-bottom: 5px;
}

.footer-right {
    text-align: center;
    min-width: 200px;
}

.qr-code {
    width: 120px;
    height: 120px;
    background-color: white;
    padding: 10px;
    border-radius: 8px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code img {
    max-width: 100%;
    height: auto;
}

.qr-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .system-title h1 {
        font-size: 2.2rem;
    }
    
    .result-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .logo-section {
        flex-direction: column;
        gap: 10px;
    }
    
    .company-name {
        font-size: 1.3rem;
    }
    
    .system-title h1 {
        font-size: 1.8rem;
    }
    
    .system-title p {
        font-size: 1rem;
    }
    
    .search-container {
        padding: 30px 20px;
    }
    
    .search-title {
        font-size: 1.5rem;
    }
    
    .search-btn {
        padding: 16px 30px;
        font-size: 1.1rem;
    }
    
    .result-card {
        padding: 30px 20px;
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-left, .footer-right {
        min-width: 100%;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .info-item {
        flex-direction: column;
        gap: 5px;
    }
    
    .info-label {
        min-width: auto;
    }
    
    .modal-content {
        max-width: 100%;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-30 {
    margin-top: 30px;
}

.mb-30 {
    margin-bottom: 30px;
}