/* 定义变量 */
:root {
    --primary: #2A5CAA;
    --secondary: #F5B041;
    --background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    --shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    --radius: 15px;
}
/* 全局样式 */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    background: var(--background);
    color: #333;
    position: relative;
    min-height: 100vh;
}
/* 背景图片容器 */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://bing.sciykj.com/?rand=true');
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    z-index: -1;
}
/* 内容容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-bottom: 60px;
}
/* 域名标题 */
.domain-header {
    font-size: 3.5rem;
    color: var(--primary);
    margin: 2rem 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}
/* 高亮文本 */
.highlight {
    color: var(--secondary);
    font-weight: 700;
}
/* 按钮容器 */
.button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}
/* 统一按钮样式 */
.button-container a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    padding: 0 40px;
    font-size: 1.2rem;
    line-height: 1.5;
    font-weight: bold;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}
/* CTA 按钮样式 */
.cta-button {
    background: linear-gradient(45deg, var(--primary), #1a73e8);
}
.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(26, 115, 232, 0.5);
}
/* 查看更多域名按钮样式 */
.more-domains-button {
    background: linear-gradient(45deg, var(--secondary), #e67e22);
}
.more-domains-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(245, 176, 65, 0.5);
}
/* 限时横幅样式 */
.urgency-banner {
    background: rgba(255, 255, 255, 0.6);
    color: #333;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    font-size: 1.2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
.banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.banner-text {
    font-weight: bold;
    color: #e74c3c;
}
.countdown-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 2rem;
    font-weight: bold;
}
.countdown {
    font-family: 'Arial', sans-serif;
    font-size: 2.5rem;
    color: #2c3e50;
    letter-spacing: 2px;
}
/* 特性卡片样式 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 40px 0;
}
.feature-card {
    background: rgba(255, 255, 255, 0.6);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: left;
}
.feature-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.5rem;
}
.feature-card p {
    color: #555;
    font-size: 1rem;
}
/* 统计数据样式 */
.stats {
    background: rgba(255, 255, 255, 0.6);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin: 40px 0;
    font-size: 1.2rem;
}
.stats strong {
    color: var(--secondary);
}
/* 底部版权信息 */
footer {
    text-align: center;
    padding: 1px;
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.08);
    z-index: 1000;
}
footer a {
    color: var(--primary);
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
/* 右下角悬浮圆形按钮样式 */
.contact-button {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: background 0.3s ease, transform 0.3s ease;
}
.contact-button:hover {
    background: #1E3D6B;
    transform: scale(1.1);
}
.contact-dropdown {
    display: none;
    position: absolute;
    bottom: 100px;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    padding: 15px;
    width: 150px;
}
.contact-dropdown p {
    margin: 10px 0;
}
.contact-dropdown a {
    color: #333;
    text-decoration: none;
    display: flex;
    align-items: center;
}
.contact-dropdown a:hover {
    color: var(--primary);
}
.contact-dropdown i {
    margin-right: 10px;
    font-size: 1.2rem;
}
/* 响应式设计 */
@media (max-width: 768px) {
    .domain-header {
        font-size: 2.5rem;
    }
    .cta-button {
        font-size: 1.2rem;
        padding: 12px 30px;
    }
    .urgency-banner {
        font-size: 1rem;
        padding: 15px;
    }
    .countdown {
        font-size: 2rem;
    }
}