/* 全局样式 */
:root {
    --primary-color: #3a0ca3;
    --secondary-color: #7209b7;
    --accent-color: #f72585;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --success-color: #4cc9f0;
    --warning-color: #f8961e;
    --danger-color: #ef233c;
}

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

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

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

/* 头部样式 */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.cool-text {
    color: var(--accent-color);
    font-weight: bold;
}

/* 导航栏 */
nav {
    background-color: var(--dark-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav ul {
    display: flex;
    list-style: none;
    padding: 15px 0;
}

nav ul li {
    margin-right: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--accent-color);
}

/* 域名搜索区域 */
.domain-search {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    margin: 40px 0;
    text-align: center;
}

.domain-search h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.domain-search form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
}

.domain-search input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.domain-search button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.domain-search button:hover {
    background-color: #d91a6d;
}

/* 搜索结果 */
.results-container {
    margin-top: 20px;
    text-align: left;
}

.domain-result {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.domain-available {
    color: var(--success-color);
    font-weight: bold;
}

.domain-taken {
    color: var(--danger-color);
}

.domain-price {
    font-weight: bold;
    color: var(--dark-color);
}

.btn-checkout {
    background-color: var(--success-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-checkout:hover {
    background-color: #3aa8d8;
}

/* 特点部分 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-card {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.feature-card h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* 价格部分 */
.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.pricing-card {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    text-align: center;
}

.pricing-card.popular {
    border: 2px solid var(--accent-color);
}

.popular-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.save {
    font-size: 0.9rem;
    color: var(--success-color);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 20px;
    text-align: left;
}

.pricing-card ul li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.btn-register {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    transition: background-color 0.3s;
}

.btn-register:hover {
    background-color: #2a0980;
}

/* API文档部分 */
.api-docs {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin: 30px 0;
}

.api-docs pre {
    background-color: #282c34;
    color: #abb2bf;
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 15px 0;
}

.api-docs code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0 20px;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.footer-section p, .footer-section ul {
    color: #ddd;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-section i {
    margin-right: 10px;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
}

.legal-links {
    margin-top: 10px;
}

.legal-links a {
    color: #ddd;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s;
}

.legal-links a:hover {
    color: var(--accent-color);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: #aaa;
}

.close-modal:hover {
    color: #333;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.btn-submit {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: #d91a6d;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 5px 0;
    }
    
    .domain-search form {
        flex-direction: column;
    }
    
    .domain-search input {
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .domain-search button {
        border-radius: 4px;
    }
    
    .domain-result {
        flex-direction: column;
        text-align: center;
    }
    
    .domain-result div {
        margin: 5px 0;
    }
}