/* assets/css/main.css - 主框架通用样式 */

/* === 重置和基础 === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: #0a0a0a url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') no-repeat center center fixed;
    background-size: cover;
    color: #e0e0e0;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.85);
    z-index: 1;
}

/* === 布局容器 === */
.container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

/* === 头部样式 === */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 2px solid #ff6b00;
    margin-bottom: 40px;
}

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

.logo h1 {
    color: #ff6b00;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 2px;
}

.logo-img {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #ff6b00, #ff8c00);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 24px;
    color: #000;
}

/* === 用户信息 === */
.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid #ff6b00;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.user-details h3 {
    color: #ff6b00;
    margin-bottom: 5px;
    font-size: 18px;
}

/* === 按钮样式 === */
.btn-auth, .logout-btn {
    padding: 10px 25px;
    background: linear-gradient(45deg, #ff6b00, #ff8c00);
    color: #000;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-auth:hover, .logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 0, 0.4);
}

.logout-btn {
    background: linear-gradient(45deg, #dc3545, #c82333);
    color: white;
    padding: 8px 15px;
    font-size: 14px;
}

/* === 主内容区 === */
.main-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    min-height: 500px;
}

/* === 侧边栏 === */
.sidebar {
    background: rgba(30, 30, 30, 0.9);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #444;
    height: fit-content;
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 10px;
}

.nav-menu a {
    display: block;
    padding: 12px 20px;
    color: #e0e0e0;
    text-decoration: none;
    background: rgba(255, 107, 0, 0.1);
    border-radius: 5px;
    border-left: 4px solid transparent;
    transition: all 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255, 107, 0, 0.2);
    border-left: 4px solid #ff6b00;
    color: #ff6b00;
}

.nav-menu i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* === 内容区域 === */
.content {
    background: rgba(30, 30, 30, 0.9);
    border-radius: 10px;
    padding: 30px;
    border: 1px solid #444;
    min-height: 500px;
}

/* === 页脚 === */
footer {
    margin-top: 50px;
    text-align: center;
    padding: 20px;
    border-top: 1px solid #444;
    color: #888;
    font-size: 14px;
}

footer a {
    color: #ff8c00;
    text-decoration: none;
    margin: 0 10px;
}

footer a:hover {
    text-decoration: underline;
}

/* === 通用动画 === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === 响应式设计 === */
@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 20px;
    }
    
    .logo h1 {
        font-size: 2em;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .content {
        padding: 20px;
    }
    
    .logo-img {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* 政策页面样式 */
.content-full {
    padding: 20px;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.policy-content h3 {
    color: var(--primary-color);
    margin-top: 25px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.policy-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.policy-content li {
    margin-bottom: 5px;
}

.policy-date {
    text-align: right;
    color: #666;
    font-style: italic;
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* 联系我们页面样式 */
.contact-content {
    display: grid;
    gap: 20px;
}

.contact-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e9ecef;
}

.contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 15px;
    margin-top: 5px;
}

.contact-item h4 {
    margin: 0 0 5px 0;
    color: #333;
}

.contact-item p {
    margin: 0 0 5px 0;
    font-size: 18px;
    font-weight: bold;
}

.contact-item small {
    color: #666;
}

.contact-reasons ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
}

.contact-reasons li {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
}

.contact-reasons li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.contact-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.tip-box {
    background: #e7f3ff;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.tip-box h4 {
    margin-top: 0;
    display: flex;
    align-items: center;
}

.tip-box h4 i {
    margin-right: 8px;
}

.faq-item {
    background: #f8f9fa;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
}

.faq-item h4 {
    color: var(--primary-color);
    margin-top: 0;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 15px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.back-btn:hover {
    background: var(--secondary-color);
}

.back-btn i {
    margin-right: 5px;
}

.qq-group-link {
    color: #ffffff !important; /* 纯白色 */
    text-decoration: none;
    font-weight: bold;
}

.qq-group-link:hover {
    color: #1a73e8 !important; /* 悬停时蓝色 */
    text-decoration: underline;
}

.qq-group-link i {
    color: #12b7f5; /* QQ图标保持蓝色 */
}