:root {
    --green: #22c55e;
    --green-dark: #16a34a;
    --green-light: #dcfce7;
    --green-lighter: #f0fdf4;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px 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;
    --transition: all 0.2s ease;

    /* 顶部导航（与官网首页一致） */
    --nav-h: 68px;
    --nav-font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", system-ui, -apple-system, sans-serif;
    --nav-green: #2e7d32;
    --nav-green-strong: #43a047;
    --nav-ink: #17251a;
    --nav-ink-2: #55685a;
    --nav-line: #e3ece2;
    --nav-line-2: #d5e4d4;

    /* 主题语义色（深色模式在文件末尾统一覆盖） */
    color-scheme: light;
    --card: #ffffff;
    --nav-bg: rgba(251, 253, 251, 0.82);
    --nav-solid: rgba(251, 253, 251, 0.97);
    --shadow-nav: 0 4px 20px rgba(23, 37, 26, 0.05);
    --accent-text: #16a34a;
    --code-ink: #16a34a;
    --warn-bg: #fffbeb;
    --warn-line: #fde68a;
    --warn-ink: #b45309;
    --badge-bg: #e0e7ff;
    --badge-ink: #4338ca;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
        Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* ------------------------------------------------------------
   顶部导航 —— 与官网首页（index.html）导航栏完全一致
   ------------------------------------------------------------ */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    font-family: var(--nav-font);
    line-height: 1.7;
    border-bottom: 1px solid transparent;
    transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.nav.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-color: var(--nav-line);
    box-shadow: var(--shadow-nav);
}

.nav-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto;
}

.nav-links > a:not(.btn) {
    font-size: 15px;
    font-weight: 500;
    color: var(--nav-ink-2);
    position: relative;
    text-decoration: none;
    transition: color 0.2s;
    white-space: nowrap;
}

.nav-links > a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -6px;
    height: 2px;
    background: var(--nav-green-strong);
    transition: right 0.25s ease;
    border-radius: 2px;
}

.nav-links > a:not(.btn):hover {
    color: var(--accent-text);
}

.nav-links > a:not(.btn):hover::after,
.nav-links > a.is-active::after {
    right: 0;
}

.nav-links > a.is-active {
    color: var(--accent-text);
}

.nav .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.22s ease;
}

.nav .btn-sm {
    padding: 9px 18px;
    font-size: 14px;
}

.nav .btn-primary {
    background: linear-gradient(135deg, var(--nav-green-strong), var(--nav-green));
    color: #fff;
    box-shadow: 0 8px 24px rgba(46, 125, 50, 0.28);
}

.nav .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(46, 125, 50, 0.36);
    filter: brightness(1.05);
}

.nav .btn-ghost {
    background: var(--card);
    border-color: var(--nav-line-2);
    color: var(--nav-ink);
    box-shadow: 0 1px 2px rgba(23, 37, 26, 0.05), 0 2px 8px rgba(23, 37, 26, 0.04);
}

.nav .btn-ghost:hover {
    border-color: var(--nav-green-strong);
    color: var(--accent-text);
    transform: translateY(-2px);
}

.nav .ic {
    width: 1.15em;
    height: 1.15em;
    flex: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    padding: 10px;
    cursor: pointer;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--nav-ink);
    border-radius: 2px;
    transition: all 0.25s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
    background: linear-gradient(135deg, var(--green-lighter) 0%, var(--bg) 100%);
    padding: 4rem 0 3.5rem;
    text-align: center;
}

.hero-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--green);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--green-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-text);
    border: 1.5px solid var(--green);
}

.btn-secondary:hover {
    background-color: var(--green);
    color: #ffffff;
}

.section {
    padding: 4rem 0;
}

.section-light {
    background-color: var(--bg-alt);
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.plugin-intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.plugin-intro-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.plugin-intro-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green);
}

.plugin-intro-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.plugin-architecture {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.architecture-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.architecture-item:hover {
    border-color: var(--green);
}

.code-block {
    display: inline-block;
    background-color: var(--green-lighter);
    color: var(--code-ink);
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    font-weight: 600;
}

.architecture-desc {
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-list li {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--green);
    font-size: 1.1rem;
}

.getting-started-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.step {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.step:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green);
}

.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--green);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text);
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.step-link {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--accent-text);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.step-link:hover {
    text-decoration: underline;
}

.quick-start-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.quick-start-box h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text);
}

.code-block-wrapper {
    background-color: #0f172a;
    border-radius: var(--radius);
    padding: 1.25rem;
    overflow-x: auto;
}

.code-block-wrapper .code-block {
    background-color: transparent;
    color: #4ade80;
    font-size: 0.85rem;
    padding: 0;
    border-radius: 0;
    display: block;
    white-space: pre-wrap;
    word-break: break-all;
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.community-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.community-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green);
}

.community-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.community-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.community-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 2rem 0;
    text-align: center;
}

.footer-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.logo-icon {
    color: var(--green);
}

.footer-text {
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.75rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .section {
        padding: 3rem 0;
    }
}

.docs-layout {
    display: flex;
    flex: 1;
    flex-direction: column;
}

.docs-inner {
    display: flex;
    flex: 1;
    /* 不可设 overflow：否则会成为滚动容器，导致子级 sticky 相对视口失效 */
    overflow: visible;
    min-height: calc(100vh - var(--nav-h));
}

.docs-sidebar {
    position: sticky;
    top: var(--nav-h);
    align-self: flex-start;
    width: 280px;
    flex-shrink: 0;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    background-color: var(--bg);
    border-right: 1px solid var(--border);
}

.docs-sidebar-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--bg);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.docs-sidebar-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
}

.docs-nav {
    padding: 0;
    margin: 0;
}

.docs-nav-content {
    max-height: calc(100vh - var(--nav-h) - 120px);
    overflow-y: auto;
}

.nav-group {
    border-bottom: 1px solid var(--border);
}

.nav-group-header {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--bg);
    border: none;
    text-align: left;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.nav-group-header:hover {
    background-color: var(--bg-alt);
}

.nav-group-content {
    display: flex;
    flex-direction: column;
    padding-left: 1.5rem;
}

.nav-group-content.collapsed {
    display: none;
}

.nav-item {
    padding: 0.5rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--accent-text);
    background-color: var(--bg-alt);
}

.nav-item.active {
    color: var(--accent-text);
    font-weight: 500;
    background-color: var(--green-light);
}

.docs-content-wrapper {
    flex: 1;
    padding: 0 1.5rem;
}

.docs-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.docs-sidebar-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
}

.docs-nav {
    padding: 0;
    margin: 0;
}

.nav-group {
    border-bottom: 1px solid var(--border);
}

.nav-group-header {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--bg);
    border: none;
    text-align: left;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.nav-group-header:hover {
    background-color: var(--bg-alt);
}

.nav-group-header[aria-expanded="true"] .caret {
    transform: rotate(180deg);
}

.caret {
    transition: var(--transition);
    font-size: 0.875rem;
}

.nav-group-content {
    display: flex;
    flex-direction: column;
    padding-left: 1.5rem;
}

.nav-group-content.collapsed {
    display: none;
}

.nav-item {
    padding: 0.5rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--accent-text);
    background-color: var(--bg-alt);
}

.nav-item.active {
    color: var(--accent-text);
    font-weight: 500;
    background-color: var(--green-light);
}

.docs-content {
    flex: 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    background-color: var(--bg);
}

.docs-content article {
    margin-bottom: 3rem;
}

.docs-content h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text);
    line-height: 1.4;
}

.docs-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--text);
    line-height: 1.4;
}

.docs-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
    color: var(--text);
    line-height: 1.4;
}

.docs-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.25rem 0 0.5rem;
    color: var(--text);
}

.docs-content p {
    margin-bottom: 1rem;
    color: var(--text);
    line-height: 1.7;
}

.docs-content ul, .docs-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.docs-content li {
    margin-bottom: 0.25rem;
}

.docs-content code {
    background-color: var(--green-lighter);
    color: var(--code-ink);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    font-weight: 600;
}

.docs-content pre {
    background-color: #0f172a;
    border-radius: var(--radius);
    padding: 1.25rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.docs-content pre code {
    background-color: transparent;
    color: #4ade80;
    font-size: 0.85rem;
    padding: 0;
}

.doc-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.doc-table th, .doc-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.doc-table th {
    background-color: var(--bg-alt);
    font-weight: 600;
    color: var(--text);
}

.doc-table tr:hover {
    background-color: var(--bg-alt);
}

.doc-table tbody td {
    color: var(--text-muted);
}

.img-full {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: var(--radius);
}

.mermaid {
    background-color: var(--bg);
    border-radius: var(--radius);
    padding: 1rem;
    margin: 1rem 0;
}

.code-block-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.4);
    border: none;
    color: #ffffff;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    opacity: 0;
    transition: var(--transition);
    z-index: 10;
}

.code-block-wrapper:hover .copy-btn {
    opacity: 1;
}

.copy-btn.active {
    background: var(--green);
}

.copy-btn:hover {
    background: rgba(0, 0, 0, 0.6);
}

.docs-content-wrapper {
    flex: 1;
    padding: 0 1.5rem;
}

.footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 2rem 0;
    text-align: center;
    width: 100%;
    margin-top: auto;
}

/* Docs: callout / badge / anchor spacing */
.callout {
    background-color: var(--green-lighter);
    border: 1px solid var(--green-light);
    border-left: 4px solid var(--green);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin: 1.25rem 0 1.5rem;
    color: var(--text);
    line-height: 1.7;
    font-size: 0.95rem;
}

.callout strong {
    color: var(--green-dark);
}

.callout-warning {
    background-color: var(--warn-bg);
    border-color: var(--warn-line);
    border-left-color: var(--warn-ink);
}

.callout-warning strong {
    color: var(--warn-ink);
}

.docs-content h1[id],
.docs-content h2[id],
.docs-content h3[id] {
    scroll-margin-top: calc(var(--nav-h) + 16px);
}

.badge {
    display: inline-block;
    vertical-align: middle;
    margin-left: 0.5rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background-color: var(--green-light);
    color: var(--green-dark);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.badge-native {
    background-color: var(--badge-bg);
    color: var(--badge-ink);
}

.docs-content a {
    color: var(--accent-text);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.docs-content a:hover {
    color: var(--green);
}

.docs-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.8;
}

@media (max-width: 900px) {
    .docs-inner {
        flex-direction: column;
        min-height: 0;
    }
    .docs-sidebar {
        width: 100%;
        position: relative;
        top: 0;
        max-height: none;
        overflow: visible;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

/* 导航项多了（论坛），外文标签也更长，宽屏笔记本先把间距和字号收一收，避免导航文字断成两行 */
@media (max-width: 1200px) {
    .nav-links {
        gap: 18px;
    }
    .nav-links > a:not(.btn) {
        font-size: 14.5px;
    }
    .brand-logo {
        height: 36px;
    }
}

@media (max-width: 1100px) {
    .nav-links {
        gap: 12px;
    }
    .nav-links > a:not(.btn) {
        font-size: 14px;
    }
    .brand-logo {
        height: 34px;
    }
}

/* 移动端顶部导航（与官网首页一致，折叠宽度提高到 1024，避免导航挤成两行） */
@media (max-width: 1024px) {
    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        z-index: 99;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: var(--nav-solid);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--nav-line);
        padding: 14px 24px 20px;
        box-shadow: 0 20px 40px rgba(23, 37, 26, 0.08);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.25s ease;
    }
    .nav-links.open {
        transform: none;
        opacity: 1;
        pointer-events: auto;
    }
    .nav-links > a:not(.btn) {
        padding: 11px 6px;
        font-size: 16px;
    }
    .nav-links .btn {
        margin-top: 8px;
    }
    .nav-toggle {
        display: flex;
    }
}

/* ============================================================
   语言切换器（assets/i18n.js 注入到导航里）
   ============================================================ */
.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: none;
    height: 38px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    box-shadow: var(--shadow);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}
.lang-switch:hover { border-color: var(--green-dark); color: var(--accent-text); }
/* 桌面端固定排在导航栏最后一个（主题按钮右侧），不依赖脚本插入顺序 */
.nav-inner > .lang-switch { order: 10; }
.lang-switch .lang-ic {
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: -.5px;
    color: var(--accent-text);
}
.lang-switch select {
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
    padding: 0 2px;
    outline: none;
}
.lang-switch select:focus-visible { outline: 2px solid var(--green); border-radius: 6px; }
@media (max-width: 760px) {
    .lang-switch { align-self: flex-start; margin: 8px 0 2px; height: 42px; }
}

/* ============================================================
   明暗主题：切换按钮（assets/theme.js 注入到导航里）
   ============================================================ */
.theme-switch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: none;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    color: var(--text-muted);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}
.theme-switch:hover { border-color: var(--green-dark); color: var(--accent-text); }
.theme-switch:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.theme-switch .theme-ic { display: flex; }
.theme-switch svg { width: 17px; height: 17px; }
.theme-switch .theme-ic-moon { display: none; }
:root[data-theme="dark"] .theme-switch .theme-ic-sun { display: none; }
:root[data-theme="dark"] .theme-switch .theme-ic-moon { display: flex; }

/* 品牌 Logo：深色模式下换成浅色文字版本 */
.brand-logo-dark { display: none; }
:root[data-theme="dark"] .brand-logo-light { display: none; }
:root[data-theme="dark"] .brand-logo-dark { display: block; }

/* ============================================================
   深色模式（<html data-theme="dark">，由 assets/theme.js 写入）
   ============================================================ */
:root[data-theme="dark"] {
    color-scheme: dark;
    --green-light: #1e3524;
    --green-lighter: #16281a;
    --bg: #0d1410;
    --bg-alt: #131d16;
    --card: #16211a;
    --text: #e8f1e8;
    --text-muted: #a7baab;
    --border: #24322a;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --nav-ink: #e8f1e8;
    --nav-ink-2: #a7baab;
    --nav-line: #24322a;
    --nav-line-2: #2f4034;
    --nav-bg: rgba(13, 20, 16, 0.82);
    --nav-solid: rgba(13, 20, 16, 0.97);
    --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.42);
    --accent-text: #74d183;
    --code-ink: #7ee08d;
    --warn-bg: #38290f;
    --warn-line: #5b431d;
    --warn-ink: #f2b877;
    --badge-bg: #1f2a4a;
    --badge-ink: #a5b4fc;
}

/* 深色下卡片与内容区比页面底色略亮 */
:root[data-theme="dark"] .plugin-intro-card,
:root[data-theme="dark"] .architecture-item,
:root[data-theme="dark"] .feature-card,
:root[data-theme="dark"] .step,
:root[data-theme="dark"] .quick-start-box,
:root[data-theme="dark"] .community-card,
:root[data-theme="dark"] .docs-content,
:root[data-theme="dark"] .docs-sidebar,
:root[data-theme="dark"] .docs-sidebar-header,
:root[data-theme="dark"] .nav-group-header,
:root[data-theme="dark"] .mermaid {
    background-color: var(--card);
}
:root[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #16281a 0%, var(--bg) 100%);
}
:root[data-theme="dark"] .badge { color: var(--accent-text); }
:root[data-theme="dark"] .docs-content pre,
:root[data-theme="dark"] .code-block-wrapper { background-color: #0b1114; }
:root[data-theme="dark"] .doc-table th { background-color: var(--bg-alt); }
:root[data-theme="dark"] .copy-btn { background: rgba(255, 255, 255, 0.14); }
:root[data-theme="dark"] .doc-table tbody td { color: var(--text-muted); }
/* 文档页顶部的「AI生成」来源标记：浅色下是深灰，深色下提亮避免看不清 */
:root[data-theme="dark"] [data-aigc-mark] { color: var(--text-muted) !important; }

@media (max-width: 860px) {
    .theme-switch { margin-left: auto; margin-right: 2px; }
}