:root {
    --doc-primary: #165dff;
    --doc-primary-hover: #0e4fd6;
    --doc-primary-light: #e8f0ff;
    --doc-primary-bg: #f0f5ff;
    --doc-gradient: linear-gradient(135deg, #165dff 0%, #4d7fff 100%);
    --doc-bg: #f7f8fa;
    --doc-bg-white: #ffffff;
    --doc-text: #1a1a1a;
    --doc-text-secondary: #4a4a4a;
    --doc-text-muted: #8a9099;
    --doc-border: #e4e6eb;
    --doc-border-light: #f0f0f5;
    --doc-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --doc-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --doc-radius: 0px;
    --doc-sidebar-width: 260px;
}

body {
    background: var(--doc-bg);
    color: var(--doc-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 导航栏 */
.doc-navbar {
    background: #fff;
    border-bottom: 1px solid var(--doc-border);
    height: 60px;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.doc-navbar .navbar-brand {
    font-weight: 600;
    font-size: 17px;
    color: var(--doc-text);
}
.doc-navbar .nav-link {
    color: var(--doc-text-secondary);
    font-size: 13px;
    padding: 18px 14px !important;
    transition: color 0.2s;
}
.doc-navbar .nav-link:hover {
    color: var(--doc-primary);
}
.doc-navbar .nav-link.active {
    color: var(--doc-primary);
    font-weight: 600;
}

/* 布局 */
.doc-wrapper {
    display: flex;
    flex: 1;
}

/* 侧边栏 */
.doc-sidebar {
    width: var(--doc-sidebar-width);
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid var(--doc-border);
    padding: 20px 0;
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
    overflow-y: auto;
}
.doc-sidebar-section {
    padding: 0 16px;
    margin-bottom: 8px;
}
.doc-sidebar-section .section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--doc-text-muted);
    padding: 8px 8px 6px;
}
.doc-sidebar-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    font-size: 13px;
    color: var(--doc-text-secondary);
    text-decoration: none;
    border-radius: 4px;
    margin: 1px 0;
    transition: all 0.15s;
}
.doc-sidebar-link:hover {
    background: var(--doc-primary-bg);
    color: var(--doc-primary);
}
.doc-sidebar-link.active {
    background: var(--doc-primary-bg);
    color: var(--doc-primary);
    font-weight: 600;
}
.doc-sidebar-link i {
    width: 16px;
    text-align: center;
    font-size: 13px;
}

/* 主内容区 */
.doc-main {
    flex: 1;
    min-width: 0;
    display: flex;
    gap: 0;
}

/* 内容主体（左侧文档区域） */
.doc-body {
    flex: 1;
    min-width: 0;
    padding: 40px 48px;
}

/* 内容排版 */
.doc-content h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--doc-text);
}
.doc-content h1 + p {
    color: var(--doc-text-muted);
    font-size: 15px;
    margin-bottom: 32px;
}
.doc-content h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 36px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--doc-border-light);
}
.doc-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 28px 0 10px;
}
.doc-content h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 24px 0 8px;
}
.doc-content p {
    margin: 0 0 16px;
    color: var(--doc-text-secondary);
}
.doc-content ul, .doc-content ol {
    margin: 0 0 16px;
    padding-left: 20px;
}
.doc-content li {
    margin-bottom: 6px;
    color: var(--doc-text-secondary);
}
.doc-content a {
    color: var(--doc-primary);
}
.doc-content strong {
    color: var(--doc-text);
    font-weight: 600;
}

/* 代码块 */
.doc-content code {
    background: #f3f4f6;
    padding: 2px 6px;
    font-size: 13px;
    border-radius: 3px;
    color: #e83e8c;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}
.doc-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px 20px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 0 0 20px;
    font-size: 13px;
    line-height: 1.7;
}
.doc-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}
.doc-content blockquote {
    border-left: 3px solid var(--doc-primary);
    margin: 0 0 20px;
    padding: 10px 16px;
    background: var(--doc-primary-bg);
    color: var(--doc-text-secondary);
    font-size: 14px;
}

/* 信息提示框 */
.doc-tip {
    padding: 12px 16px;
    margin: 0 0 20px;
    border-left: 3px solid var(--doc-primary);
    background: var(--doc-primary-bg);
    font-size: 14px;
    color: var(--doc-text-secondary);
    line-height: 1.7;
}
.doc-tip i {
    color: var(--doc-primary);
    margin-right: 6px;
}
.doc-tip.warning {
    border-left-color: #f59e0b;
    background: #fffbeb;
}
.doc-tip.warning i {
    color: #f59e0b;
}
.doc-tip.danger {
    border-left-color: #ea4335;
    background: #fef2f2;
}
.doc-tip.danger i {
    color: #ea4335;
}

/* 参数表格 */
.doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 20px;
    font-size: 14px;
}
.doc-table th {
    background: #fafbfc;
    font-weight: 600;
    font-size: 12px;
    color: var(--doc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 10px 14px;
    border-bottom: 2px solid var(--doc-border);
    text-align: left;
}
.doc-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--doc-border);
    color: var(--doc-text-secondary);
    vertical-align: top;
}
.doc-table td:first-child {
    font-weight: 600;
    color: var(--doc-text);
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 13px;
}
.doc-table tr:hover td {
    background: #fafbfc;
}

/* 步骤卡片 */
.doc-step {
    display: flex;
    gap: 14px;
    margin: 0 0 20px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid var(--doc-border);
}
.doc-step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--doc-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}
.doc-step-body {
    flex: 1;
    min-width: 0;
}
.doc-step-body h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 6px;
}
.doc-step-body p {
    font-size: 14px;
    color: var(--doc-text-secondary);
    margin: 0;
}

/* HTTP 方法标签 */
.doc-method {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 3px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    vertical-align: middle;
    margin-right: 6px;
}
.doc-method.get { background: #dcfce7; color: #16a34a; }
.doc-method.post { background: #dbeafe; color: #2563eb; }
.doc-method.put { background: #fef3c7; color: #d97706; }
.doc-method.delete { background: #fce8e6; color: #ea4335; }

.endpoint-url {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 14px;
    color: var(--doc-text);
}

/* 页脚 */
.doc-footer {
    background: #fff;
    border-top: 1px solid var(--doc-border);
    padding: 24px 0;
    margin-top: auto;
}
.doc-footer p, .doc-footer .small {
    font-size: 12px;
    color: var(--doc-text-muted);
}

/* 首页 Hero */
.doc-hero {
    text-align: center;
    padding: 80px 20px 60px;
    background: linear-gradient(180deg, #f0f5ff 0%, #e8f0ff 40%, #f7f8fa 100%);
}
.doc-hero h1 {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 12px;
}
.doc-hero p {
    font-size: 16px;
    color: var(--doc-text-secondary);
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.8;
}
.doc-hero .btn {
    padding: 10px 32px;
    font-size: 15px;
}
.doc-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    padding: 40px 0;
}
.doc-card {
    background: #fff;
    border: 1px solid var(--doc-border);
    padding: 28px 24px;
    transition: box-shadow 0.2s, transform 0.15s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.doc-card:hover {
    box-shadow: var(--doc-shadow);
    transform: translateY(-2px);
}
.doc-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}
.doc-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px;
}
.doc-card p {
    font-size: 13px;
    color: var(--doc-text-secondary);
    margin: 0;
}

/* ─── 按钮颜色修复 ─── */
.btn-primary {
    background: linear-gradient(135deg, #165dff 0%, #4d7fff 100%);
    border: none;
    color: #fff !important;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #0e4fd6 0%, #3b6fe6 100%);
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}
.btn-outline-primary {
    border: 1px solid #165dff;
    color: #165dff !important;
    background: transparent;
}
.btn-outline-primary:hover {
    background: #165dff;
    border-color: #165dff;
    color: #fff !important;
}

/* ─── 右侧目录树 ─── */
.doc-toc {
    width: 220px;
    flex-shrink: 0;
    padding: 40px 16px 40px 0;
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
    overflow-y: auto;
    display: none;
}
.doc-toc.has-toc {
    display: block;
}
.doc-toc-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--doc-text-muted);
    margin-bottom: 12px;
    padding-left: 12px;
}
.doc-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.doc-toc-list li {
    margin: 0;
}
.doc-toc-link {
    display: block;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--doc-text-muted);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all 0.15s;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.doc-toc-link:hover {
    color: var(--doc-primary);
    border-left-color: var(--doc-primary-light);
}
.doc-toc-link.active {
    color: var(--doc-primary);
    border-left-color: var(--doc-primary);
    font-weight: 500;
}
.doc-toc-link.h2 {
    padding-left: 24px;
}
.doc-toc-link.h3 {
    padding-left: 36px;
    font-size: 11px;
}

/* 移动端适配 */
@media (max-width: 1024px) {
    .doc-toc {
        display: none !important;
    }
}
@media (max-width: 768px) {
    .doc-sidebar {
        display: none;
    }
    .doc-main {
        padding: 0;
    }
    .doc-body {
        padding: 24px 20px;
    }
    .doc-hero h1 { font-size: 28px; }
    .doc-content h1 { font-size: 24px; }
}