/* 全局样式 */
:root {
    --primary: #3b5998;
    --primary-dark: #2f477a;
    --secondary: #5b7eb9;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --bg-light: #edf2f7;
    --bg-card: #f7fafc;
    --success: #0d925b;
    --danger: #c53030;
    --warning: #dd6b20;
    --header-bg: #2d3748;
    --header-text: #e2e8f0;
    --card-shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    /* 为固定的头部和页脚留出空间 */
    padding-top: 70px; /* 更精简的头部空间 */
    padding-bottom: 40px;
    letter-spacing: -0.01em;
}

/* 头部样式 */
.header {
    background-color: var(--header-bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    color: var(--header-text);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.site-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.03em;
    color: var(--header-text);
}

/* 头部导航菜单 */
.main-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.nav-link {
    color: var(--header-text);
    text-decoration: none;
    margin-left: 15px;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    opacity: 0.85;
}

.nav-link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 1;
}


.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--card-shadow), 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 24px;
    background-color: var(--bg-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-header {
    padding: 1.2rem 1.5rem;
    border-bottom: none;
    background: linear-gradient(120deg, var(--primary), var(--primary-dark));
    color: white;
}

.category-title {
    font-size: 1.15rem;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* 服务器卡片样式 */
.server-card {
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04), 0 0 2px rgba(0, 0, 0, 0.06);
    transition: all 0.25s cubic-bezier(0.17, 0.67, 0.83, 0.67);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.server-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08), 0 3px 6px rgba(0, 0, 0, 0.05);
}

.server-cover {
    width: 100%;
    height: 215px;
    overflow: hidden;
}

.server-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.server-card:hover .server-cover-img {
    transform: scale(1.05);
}

.server-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.server-info-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.server-name {
    font-size: 1.1rem;
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    text-align: left;
    max-width: 60%;
}

.server-right-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
}

.server-map-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    background-color: var(--bg-light);
    padding: 4px 8px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.server-map-count i {
    margin-right: 4px;
    color: var(--primary);
}

.server-actions {
    display: flex;
    justify-content: flex-end;
}

.server-actions .btn {
    min-width: 90px;
    padding: 4px 12px;
}

/* 分类标签样式 */
.category-header {
    display: flex;
    align-items: center;
    cursor: pointer;
    width: 100%;
}

.category-icon {
    margin-right: 12px;
    font-size: 1.1rem;
}

.toggle-icon {
    font-size: 1rem;
    transition: transform 0.2s cubic-bezier(0.17, 0.67, 0.83, 0.67);
}

.card-header:not(.collapsed) .toggle-icon {
    transform: rotate(180deg);
}


/* 页脚样式 */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--header-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.5rem 0;
}

.footer p {
    margin-bottom: 0;
    font-size: 0.85rem;
    color: var(--header-text);
    font-weight: 500;
    opacity: 0.8;
}

/* 按钮样式现代化 */
.btn {
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.2);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-outline-secondary:hover {
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .site-title {
        font-size: 1.3rem;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .server-actions {
        flex-direction: column;
    }
    
    .server-actions .btn {
        margin-bottom: 8px;
        width: 100%;
    }
}