* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-hover: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}
#page-container {
    display: flex;
    min-height: 100vh;
}
/* 侧边栏 */
#sidebar {
    width: 260px;
    background: white;
    box-shadow: var(--shadow);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}
.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}
.sidebar-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}
.user-info-panel {
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
}
.username {
    font-weight: 600;
    font-size: 16px;
}
.sidebar-auth-actions {
    margin-top: 8px;
    display: flex;
    gap: 8px;
}
.btn-login, .btn-register, .btn-logout {
    padding: 6px 12px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-login {
    background: var(--primary);
    color: white;
}
.btn-login:hover {
    background: var(--primary-hover);
}
.btn-register {
    background: var(--gray-100);
    color: var(--gray-700);
}
.btn-register:hover {
    background: var(--gray-200);
}
.sidebar-nav {
    padding: 16px;
    flex: 1;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius);
    margin-bottom: 4px;
    transition: var(--transition);
    font-size: 15px;
}
.nav-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}
.nav-link svg {
    width: 20px;
    height: 20px;
}
.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
}
.btn-logout {
    display: block;
    width: 100%;
    text-align: center;
    background: var(--gray-100);
    color: var(--danger);
}
.btn-logout:hover {
    background: var(--gray-200);
}
/* 主内容 */
#main-content {
    flex: 1;
    margin-left: 260px;
    width: calc(100% - 260px);
}
.main-header {
    background: white;
    padding: 16px 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 90;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#mobile-menu-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    display: none;
}
/* 页面标题区 */
.page-title {
    font-size: 28px;
    font-weight: 700;
    margin: 24px 24px 8px;
    color: var(--gray-800);
}
.page-description {
    margin: 0 24px 20px;
    color: var(--gray-600);
    font-size: 16px;
}
/* 信息栏 */
.info-bar {
    background: white;
    padding: 16px 24px;
    margin: 0 24px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}
.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}
.info-item svg {
    color: var(--primary);
}
.info-item strong {
    color: var(--gray-800);
}
/* 徽章样式 */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}
.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}
.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}
.badge-gray {
    background: var(--gray-100);
    color: var(--gray-600);
}
/* 内容区块 */
.content-section {
    background: white;
    margin: 0 24px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}
.content-section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.section-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-200);
}
.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
}
.section-content {
    padding: 24px;
}
/* URL框 */
.url-box {
    background: var(--gray-50);
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    margin: 8px 0 16px;
    font-family: 'Consolas', monospace;
    font-size: 14px;
    color: var(--gray-800);
    word-break: break-all;
}
/* 表格样式 */
.param-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}
.param-table th, .param-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}
.param-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}
.param-table tr:nth-child(odd) {
    background: white;
}
.param-table tr:nth-child(even) {
    background: var(--gray-50);
}
.param-table tr:hover {
    background: var(--gray-100);
}
/* 在线测试区 */
.online-tester-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.tester-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-label {
    font-weight: 500;
    font-size: 14px;
    color: var(--gray-700);
}
.form-control {
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    font-size: 14px;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.btn-test {
    padding: 12px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 8px;
}
.btn-test:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}
.response-area {
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 16px;
    height: 200px;
    overflow-y: auto;
}
#response-output {
    font-family: 'Consolas', monospace;
    font-size: 14px;
    color: var(--gray-800);
    white-space: pre-wrap;
}
/* 代码标签页 */
.tabs-scroll-container {
    overflow-x: auto;
    margin-bottom: 16px;
}
.code-tabs {
    display: flex;
    gap: 4px;
    padding-bottom: 8px;
}
.tab-btn {
    padding: 8px 16px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.tab-btn.active {
    background: var(--primary);
    color: white;
}
.tab-btn:hover:not(.active) {
    background: var(--gray-200);
}
/* 代码面板 */
.code-panel {
    display: none;
    background: #1e293b;
    border-radius: var(--radius);
    padding: 16px;
    overflow-x: auto;
    position: relative;
}
.code-panel.active {
    display: block;
}
.code-panel pre {
    font-family: 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #f8fafc;
    margin: 0;
}
.code-panel code {
    font-family: 'Consolas', monospace;
}
.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}
.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}
.copy-btn.copied {
    background: var(--success);
}
/* 广告容器悬停效果 */
.ad-container:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow);
}

/* 移动端适配 */
@media (max-width: 1024px) {
    #sidebar {
        transform: translateX(-100%);
    }
    #sidebar.sidebar-open {
        transform: translateX(0);
    }
    #main-content {
        margin-left: 0;
        width: 100%;
    }
    #mobile-menu-btn {
        display: block;
    }
    #sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
        display: none;
    }
    #sidebar-overlay.active {
        display: block;
    }
    .online-tester-grid {
        grid-template-columns: 1fr;
    }
    .simple-ad-wrap {
        margin: 0 16px 24px;
    }
}
@media (max-width: 768px) {
    .page-title {
        font-size: 24px;
    }
    .info-bar {
        flex-direction: column;
        gap: 12px;
    }
}