@media (max-width: 1024px) {
    .desktop-only {
        display: none !important;
    }
    .menu-toggle {
        display: flex !important;
        width: 40px;
        height: 40px;
        padding: 6px 10px;
    }
    .mobile-only {
        display: flex !important;
    }
    .sidebar {
        position: fixed;
        top: var(--header-height);
        right: 0;
        bottom: 0;
        width: 280px;
        max-width: 75vw;
        height: calc(100vh - var(--header-height));
        border-left: none;
        border-right: none;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), background var(--transition);
        padding: 16px 14px 20px;
        box-shadow: var(--shadow-menu);
        z-index: 1060;
        background: rgba(var(--bg-rgb, 255, 255, 255), 0.95);
        overflow-y: auto;
        border-radius: 0;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    [data-theme="dark"] .sidebar {
        background: rgba(18, 18, 18, 0.95);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-inner {
        display: flex;
        flex-direction: column;
        height: 100%;
    }
    .sidebar nav {
        flex: 1;
        padding-bottom: 16px;
    }
    .sidebar a {
        padding: 8px 14px;
        font-size: 0.95rem;
        border-radius: 10px;
        margin-bottom: 2px;
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .sidebar a:hover {
        background: var(--code-bg);
        transform: translateX(-4px);
    }
    .sidebar a.active {
        background: var(--bg) !important;
        border-color: var(--primary);
        box-shadow: 0 0 0 1px var(--primary), var(--shadow);
    }
    [data-theme="dark"] .sidebar a.active {
        background: #ffffff !important;
        color: #000000 !important;
        border-color: #ffffff;
        box-shadow: 0 0 0 1px #ffffff, 0 4px 20px rgba(255, 255, 255, 0.1);
    }
    .sidebar-footer {
        border-top: 1px solid var(--border);
        padding-top: 14px;
        margin-top: 4px;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .sidebar-footer .theme-toggle,
    .sidebar-footer .lang-toggle {
        border-radius: 10px;
        padding: 8px 14px;
        font-size: 0.9rem;
    }
    .sidebar-footer .github-link {
        border-radius: 10px;
        padding: 8px 14px;
        font-size: 0.9rem;
    }
    .layout {
        padding: 0 16px 30px;
        gap: 0;
    }
    .content h1 {
        font-size: 2rem;
    }
    .content h2 {
        font-size: 1.5rem;
    }
    .logo-text {
        font-size: 1.2rem;
    }
    .header {
        padding: 0 14px;
        height: 64px;
    }
    .hamburger-line {
        width: 20px;
        height: 2px;
    }
    .menu-toggle.open .hamburger-line:nth-child(1) {
        transform: translateY(5px) rotate(45deg);
    }
    .menu-toggle.open .hamburger-line:nth-child(3) {
        transform: translateY(-5px) rotate(-45deg);
    }
    .code-expand-btn {
        font-size: 0.8rem !important;
        padding: 6px 18px !important;
        min-width: 120px !important;
    }
}
@media (max-width: 768px) {
    .header {
        padding: 0 12px;
        height: 58px;
        min-height: 58px;
    }
    .logo-icon {
        width: 30px;
        height: 30px;
    }
    .logo-text {
        font-size: 1.05rem;
    }
    .logo-text .version {
        font-size: 0.55rem;
        padding: 0 6px;
    }
    .menu-toggle {
        width: 36px;
        height: 36px;
        padding: 5px 8px;
    }
    .hamburger-line {
        width: 18px;
        height: 2px;
    }
    .menu-toggle.open .hamburger-line:nth-child(1) {
        transform: translateY(4.5px) rotate(45deg);
    }
    .menu-toggle.open .hamburger-line:nth-child(3) {
        transform: translateY(-4.5px) rotate(-45deg);
    }
    .content h1 {
        font-size: 1.7rem;
    }
    .content h2 {
        font-size: 1.3rem;
        margin-top: 24px;
    }
    .content h3 {
        font-size: 1.1rem;
    }
    .feature-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .feature-grid .item {
        padding: 12px 10px;
    }
    .feature-grid .item .icon {
        font-size: 1.5rem;
    }
    .method-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .highlight pre {
        font-size: 0.82rem;
        padding: 12px 14px;
    }
    .copy-btn {
        font-size: 0.6rem;
        padding: 2px 10px;
        top: 4px;
        left: 4px;
    }
    .copy-btn span {
        display: none;
    }
    .copy-btn i {
        font-size: 0.8rem;
    }
    .sidebar {
        width: 260px;
        max-width: 80vw;
        padding: 14px 12px 18px;
    }
    .sidebar a {
        font-size: 0.88rem;
        padding: 6px 12px;
    }
    .sidebar-footer .theme-toggle,
    .sidebar-footer .lang-toggle,
    .sidebar-footer .github-link {
        font-size: 0.82rem;
        padding: 6px 12px;
    }
    .footer {
        font-size: 0.72rem;
        padding: 18px 12px 14px;
    }
    .footer .disclaimer {
        font-size: 0.6rem;
    }
    .table-wrap table {
        font-size: 0.8rem;
    }
    .table-wrap th,
    .table-wrap td {
        padding: 6px 10px;
    }
    .code-expand-btn {
        font-size: 0.75rem !important;
        padding: 5px 14px !important;
        min-width: 100px !important;
    }
    .code-fade {
        height: 60px;
        bottom: 50px;
    }
    .content .card {
        padding: 14px 16px;
        margin: 14px 0;
    }
}
@media (max-width: 480px) {
    .header {
        padding: 0 8px;
        height: 52px;
        min-height: 52px;
    }
    .logo-icon {
        width: 26px;
        height: 26px;
    }
    .logo-text {
        font-size: 0.9rem;
    }
    .logo-text .version {
        font-size: 0.5rem;
        padding: 0 5px;
    }
    .menu-toggle {
        width: 32px;
        height: 32px;
        padding: 4px 6px;
    }
    .hamburger-line {
        width: 16px;
        height: 2px;
        gap: 3px;
    }
    .menu-toggle.open .hamburger-line:nth-child(1) {
        transform: translateY(4px) rotate(45deg);
    }
    .menu-toggle.open .hamburger-line:nth-child(3) {
        transform: translateY(-4px) rotate(-45deg);
    }
    .content {
        padding-top: 2px;
    }
    .content h1 {
        font-size: 1.4rem;
        gap: 8px;
        flex-wrap: wrap;
    }
    .content h1 .badge {
        font-size: 0.65rem;
        padding: 0 10px;
    }
    .content h2 {
        font-size: 1.1rem;
        margin-top: 20px;
        padding-bottom: 4px;
    }
    .content h3 {
        font-size: 0.95rem;
        margin-top: 16px;
    }
    .content p {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    .content ul,
    .content ol {
        font-size: 0.9rem;
        margin: 6px 0 12px 16px;
    }
    .content li {
        margin-bottom: 2px;
    }
    .feature-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        margin: 12px 0;
    }
    .feature-grid .item {
        padding: 10px 6px;
        border-radius: 8px;
    }
    .feature-grid .item .icon {
        font-size: 1.3rem;
        margin-bottom: 2px;
    }
    .feature-grid .item .label {
        font-size: 0.8rem;
    }
    .method-grid {
        grid-template-columns: 1fr;
        gap: 6px;
        margin: 10px 0;
    }
    .method-grid .m {
        padding: 8px 12px;
        border-radius: 6px;
    }
    .method-grid .m .name {
        font-size: 0.8rem;
    }
    .method-grid .m .desc {
        font-size: 0.75rem;
    }
    .highlight {
        margin: 12px 0;
        border-radius: 8px;
    }
    .highlight pre {
        font-size: 0.7rem;
        padding: 10px 10px;
        line-height: 1.6;
    }
    .copy-btn {
        font-size: 0.5rem;
        padding: 1px 6px;
        top: 3px;
        left: 3px;
        border-radius: 4px;
    }
    .copy-btn i {
        font-size: 0.6rem;
    }
    .sidebar {
        width: 240px;
        max-width: 85vw;
        padding: 12px 10px 16px;
    }
    .sidebar a {
        font-size: 0.82rem;
        padding: 5px 10px;
        border-radius: 8px;
    }
    .sidebar .nav-group-title {
        font-size: 0.55rem;
        padding: 2px 10px;
    }
    .sidebar-footer .theme-toggle,
    .sidebar-footer .lang-toggle,
    .sidebar-footer .github-link {
        font-size: 0.75rem;
        padding: 5px 10px;
        border-radius: 8px;
    }
    .footer {
        font-size: 0.65rem;
        padding: 14px 8px 10px;
        margin-top: 20px;
    }
    .footer .disclaimer {
        font-size: 0.55rem;
        margin-top: 4px;
    }
    .table-wrap {
        margin: 10px 0;
    }
    .table-wrap table {
        font-size: 0.7rem;
    }
    .table-wrap th,
    .table-wrap td {
        padding: 4px 8px;
    }
    .content .card {
        padding: 12px 14px;
        margin: 10px 0;
        border-radius: 8px;
    }
    .content .card h4 {
        font-size: 0.85rem;
    }
    .content .card p {
        font-size: 0.85rem;
    }
    .content .card ul {
        font-size: 0.85rem;
    }
    .inline-code {
        font-size: 0.8em;
        padding: 0 4px;
    }
    .code-inline {
        font-size: 0.8em;
        padding: 0 3px;
    }
    .code-expand-btn {
        font-size: 0.7rem !important;
        padding: 4px 12px !important;
        min-width: 80px !important;
        margin: 8px auto !important;
        border-radius: 20px !important;
    }
    .code-fade {
        height: 50px;
        bottom: 42px;
    }
    .menu-overlay {
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
    }
}
@media (max-width: 360px) {
    .logo-text {
        font-size: 0.78rem;
    }
    .logo-icon {
        width: 22px;
        height: 22px;
    }
    .menu-toggle {
        width: 28px;
        height: 28px;
        padding: 3px 5px;
    }
    .hamburger-line {
        width: 14px;
        height: 1.5px;
    }
    .content h1 {
        font-size: 1.2rem;
    }
    .content h2 {
        font-size: 0.95rem;
    }
    .content h3 {
        font-size: 0.85rem;
    }
    .feature-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4px;
    }
    .feature-grid .item {
        padding: 8px 4px;
    }
    .feature-grid .item .icon {
        font-size: 1.1rem;
    }
    .feature-grid .item .label {
        font-size: 0.7rem;
    }
    .highlight pre {
        font-size: 0.6rem;
        padding: 8px 8px;
    }
    .copy-btn {
        font-size: 0.45rem;
        padding: 1px 4px;
    }
    .sidebar {
        width: 200px;
        padding: 10px 8px 14px;
    }
    .sidebar a {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    .sidebar-footer .theme-toggle,
    .sidebar-footer .lang-toggle,
    .sidebar-footer .github-link {
        font-size: 0.7rem;
        padding: 4px 8px;
    }
    .code-expand-btn {
        font-size: 0.6rem !important;
        padding: 3px 10px !important;
        min-width: 70px !important;
    }
    .code-fade {
        height: 40px;
        bottom: 36px;
    }
}
@media (width: 390px) and (max-height: 844px) {
    .header {
        height: 56px;
        min-height: 56px;
    }
    .logo-text {
        font-size: 0.95rem;
    }
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    .menu-toggle {
        width: 36px;
        height: 36px;
    }
    .sidebar {
        width: 250px;
    }
}
@media (min-width: 1025px) {
    .sidebar {
        position: sticky;
        top: calc(var(--header-height) + 16px);
        height: calc(100vh - var(--header-height) - 40px);
        border-left: 1px solid var(--border);
        transform: none !important;
        width: 270px;
        padding: 12px 6px 16px 0;
        box-shadow: none;
        background: var(--bg);
        backdrop-filter: none;
    }
    .menu-overlay {
        display: none !important;
    }
    .sidebar-footer {
        display: none !important;
    }
    .sidebar a:hover {
        transform: translateX(-4px);
    }
}