/* 
 * STEAM平台多开器 - 统一样式表
 * 版本：1.0
 * 更新日期：2026年2月21日
 * 版权所有：贡井杰芳科技工作室（杰芳科技）
 * 保留所有权利
 */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "Heiti SC", Arial, sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #2c5282 0%, #1a365d 100%);
    color: white;
    padding: 30px 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 导航栏样式 */
nav {
    background-color: #2d3748;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

nav .container {
    display: flex;
    justify-content: center;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0;
    padding: 0;
}

nav li {
    margin: 0;
}

nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 18px 24px;
    display: block;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

nav a.active {
    background-color: #2c5282;
    color: white;
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: #63b3ed;
}

/* 主内容区域 */
main {
    flex: 1;
    padding: 40px 0;
    background-color: #f8f9fa;
}

/* 法律文档样式 */
.legal-document {
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
}

.legal-document h1 {
    color: #2c5282;
    font-size: 28px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.legal-document h1 i {
    color: #4299e1;
}

.legal-document h2 {
    color: #2c5282;
    font-size: 22px;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

.legal-document h2::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: #2c5282;
}

.legal-document h3 {
    color: #4a5568;
    font-size: 18px;
    margin: 30px 0 15px;
    font-weight: 600;
}

.legal-document p {
    font-size: 16px;
    margin: 15px 0;
    color: #374151;
    text-align: justify;
    line-height: 1.8;
}

.legal-document ul {
    margin: 15px 0 15px 30px;
    font-size: 16px;
    color: #374151;
}

.legal-document ul li {
    margin: 12px 0;
    list-style-type: disc;
    position: relative;
    padding-left: 8px;
    line-height: 1.7;
}

/* 核心警示框 */
.core-warning {
    background: linear-gradient(to right, #fff5f5, #ffe5e5);
    border: 1px solid #feb2b2;
    border-left: 4px solid #e53e3e;
    padding: 25px;
    margin: 30px 0;
    border-radius: 8px;
    font-size: 16px;
    line-height: 1.7;
}

.core-warning strong {
    color: #e53e3e;
    font-size: 18px;
    display: block;
    margin-bottom: 10px;
}

/* 高亮文本 */
.highlight {
    background-color: #f0f8fb;
    padding: 2px 6px;
    border-radius: 3px;
    color: #2c5282;
    font-weight: 600;
}

/* 联系信息框 */
.contact-box {
    background: linear-gradient(to right, #e8f4f8, #f0f8fb);
    border-radius: 10px;
    padding: 30px;
    margin: 40px 0;
    border: 1px solid #bee3f8;
}

.contact-box p {
    margin: 12px 0;
}

.contact-box a {
    color: #2c5282;
    text-decoration: none;
    font-weight: 600;
}

.contact-box a:hover {
    text-decoration: underline;
    color: #1a365d;
}

/* 页脚样式 */
footer {
    background-color: #2d3748;
    color: rgba(255, 255, 255, 0.9);
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
}

footer .container {
    max-width: 800px;
}

footer p {
    margin: 10px 0;
    font-size: 14px;
    line-height: 1.6;
}

.footer-links {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links a {
    color: #63b3ed;
    text-decoration: none;
    margin: 0 10px;
    font-size: 14px;
}

.footer-links a:hover {
    text-decoration: underline;
    color: #90cdf4;
}

/* 日期样式 */
.date {
    font-size: 14px;
    color: #718096;
    text-align: right;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    font-style: italic;
}

/* 首页特定样式 */
.home-hero {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e2e8f0 100%);
    border-radius: 12px;
    margin-bottom: 40px;
}

.home-hero h2 {
    color: #2c5282;
    font-size: 36px;
    margin-bottom: 20px;
}

.home-hero p {
    font-size: 18px;
    color: #4a5568;
    max-width: 800px;
    margin: 0 auto 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-card i {
    font-size: 40px;
    color: #4299e1;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: #2c5282;
    margin-bottom: 15px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .legal-document {
        padding: 40px 30px;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav a {
        padding: 15px 20px;
        width: 100%;
        text-align: center;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 26px;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    .legal-document {
        padding: 30px 20px;
    }
    
    .legal-document h1 {
        font-size: 24px;
    }
    
    .legal-document h2 {
        font-size: 20px;
    }
    
    .legal-document h3 {
        font-size: 16px;
    }
    
    .legal-document p {
        font-size: 15px;
    }
    
    .home-hero h2 {
        font-size: 28px;
    }
    
    .home-hero p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .legal-document {
        padding: 25px 15px;
    }
    
    nav a {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .core-warning {
        padding: 20px;
        font-size: 15px;
    }
    
    .contact-box {
        padding: 20px;
    }
}

/* 打印样式 */
@media print {
    nav, footer {
        display: none;
    }
    
    .legal-document {
        box-shadow: none;
        padding: 20px;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .core-warning {
        border: 1px solid #ccc;
        background: #f9f9f9;
    }
}