.desktop-header {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 850;
    width: 100%;
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.desktop-header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-md);
}

body.dark-mode .desktop-header {
    background: rgba(37, 35, 32, 0.82);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
}

body.dark-mode .desktop-header.scrolled {
    background: rgba(37, 35, 32, 0.92);
}

.desktop-header-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 36px;
    height: 60px;
    gap: 20px;
}

.desktop-header-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 800;
    color: var(--text-primary);
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
    padding: 8px 0;
    margin-right: 4px;
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
}

.desktop-header-brand i {
    font-size: 26px;
    color: var(--accent);
    transition: transform var(--transition-bounce);
}

.desktop-header-brand:hover {
    color: var(--accent);
}

.desktop-header-brand:hover i {
    transform: rotate(-10deg) scale(1.1);
}

.desktop-header-spacer {
    flex: 1;
}

.desktop-header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    justify-content: flex-end;
    overflow: visible;
    padding: 0;
}

.desktop-nav-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
}

.desktop-nav-item::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 24px;
    height: 2.5px;
    background: var(--accent);
    border-radius: 2px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.desktop-nav-item:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.desktop-nav-item i {
    font-size: 17px;
    transition: transform var(--transition-fast);
}

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

.desktop-nav-item:hover i {
    transform: translateY(-1px);
}

/* 桌面端导航下拉菜单 */
.desktop-nav-dropdown {
    position: relative;
    flex-shrink: 0;
}

.desktop-nav-arrow {
    font-size: 14px !important;
    margin-left: -2px;
    transition: transform 0.25s ease;
}

.desktop-nav-dropdown:hover .desktop-nav-arrow,
.desktop-nav-dropdown:focus-within .desktop-nav-arrow {
    transform: rotate(180deg);
}

.desktop-nav-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    min-width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
    z-index: 1000;
}

.desktop-nav-dropdown:hover .desktop-nav-submenu,
.desktop-nav-dropdown:focus-within .desktop-nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.desktop-nav-subitem {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

.desktop-nav-subitem i {
    font-size: 15px;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.desktop-nav-subitem:hover {
    color: var(--accent);
    background: var(--bg-hover);
}

.desktop-nav-subitem:hover i {
    color: var(--accent);
}

.desktop-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding-left: 16px;
    border-left: 1px solid var(--border-light);
    margin-left: 4px;
}

.desktop-action-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
}

.desktop-action-btn:hover {
    color: var(--accent);
    background: var(--bg-hover);
    transform: scale(1.08);
}

.desktop-action-btn:active {
    transform: scale(0.95);
}

/* ========== Search Modal ========== */
.search-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.search-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-modal {
    width: 90%;
    max-width: 640px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
    overflow: hidden;
    transform: translateY(-20px) scale(0.97);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-modal-overlay.active .search-modal {
    transform: translateY(0) scale(1);
}

.search-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
}

.search-modal-input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-hover);
    border-radius: 10px;
    padding: 0 14px;
    height: 44px;
    transition: box-shadow 0.2s ease;
}

.search-modal-input-wrap:focus-within {
    box-shadow: 0 0 0 2px var(--accent);
}

.search-modal-icon {
    font-size: 18px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.search-modal-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    color: var(--text-primary);
    height: 100%;
    font-family: inherit;
}

/* 隐藏浏览器自带的搜索框清除按钮 */
.search-modal-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
}
.search-modal-input::-moz-search-clear-button {
    display: none;
}

.search-modal-input::placeholder {
    color: var(--text-tertiary);
}

.search-modal-clear {
    display: none;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    background: var(--border-light);
    border-radius: 50%;
    color: var(--text-tertiary);
    cursor: pointer;
    flex-shrink: 0;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
}

.search-modal-clear.visible {
    display: flex;
}

.search-modal-clear:hover {
    background: var(--accent);
    color: #fff;
}

.search-modal-close-btn {
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    padding: 8px 4px;
    white-space: nowrap;
    font-family: inherit;
    transition: color 0.15s;
}

.search-modal-close-btn:hover {
    color: var(--accent);
}

.search-modal-body {
    padding: 24px 20px;
    min-height: 120px;
    max-height: 400px;
    overflow-y: auto;
}

.search-modal-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px 0;
    color: var(--text-tertiary);
}

.search-modal-hint i {
    font-size: 36px;
    opacity: 0.4;
}

.search-modal-hint p {
    font-size: 14px;
    margin: 0;
}

.search-modal-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px 0;
    color: var(--text-tertiary);
    font-size: 14px;
}

.search-modal-loading i {
    font-size: 20px;
    animation: searchSpin 1s linear infinite;
}

@keyframes searchSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.search-modal-results {
    list-style: none;
    margin: 0;
    padding: 0;
}

.search-modal-results li {
    margin-bottom: 2px;
}

.search-modal-results a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.15s;
}

.search-modal-results a:hover {
    background: var(--bg-hover);
}

.search-modal-results .result-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 8px;
    font-size: 16px;
    flex-shrink: 0;
}

.search-modal-results .result-info {
    flex: 1;
    min-width: 0;
}

.search-modal-results .result-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-modal-results .result-excerpt {
    font-size: 12px;
    color: var(--text-tertiary);
    line-height: 1.4;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-modal-empty {
    text-align: center;
    padding: 32px 0;
    color: var(--text-tertiary);
    font-size: 14px;
}

.search-modal-empty i {
    font-size: 32px;
    display: block;
    margin-bottom: 10px;
    opacity: 0.4;
}

/* 深色模式搜索弹窗 */
body.dark-mode .search-modal {
    background: #2a2725;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

body.dark-mode .search-modal-input-wrap {
    background: #1e1c1a;
}

body.dark-mode .search-modal-input {
    color: #e8e0d8;
}

body.dark-mode .search-modal-results a:hover {
    background: #353230;
}

body.dark-mode .search-modal-clear {
    background: #3a3530;
    color: #b8aa98;
}

/* ========== Footer ========== */
.app-footer {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    padding: 22px 0;
    margin-top: auto;
    margin-left: var(--aside-width);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-inner a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-inner a:hover {
    color: var(--accent);
}

.footer-left,
.footer-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

/* ========== Back to Top ========== */
/* ========== Floating Actions ========== */
.floating-actions {
    position: fixed;
    bottom: 32px;
    right: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 800;
}

.floating-action-btn {
    width: 46px;
    height: 46px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-round);
    box-shadow: var(--shadow-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-action-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px) scale(1.05);
}

.floating-action-btn:active {
    transform: translateY(0) scale(0.95);
}

.back-to-top {
    width: 46px;
    height: 46px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-round);
    box-shadow: var(--shadow-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.8);
    transition: color 0.35s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1), transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px) scale(1.05);
}

.back-to-top:active {
    transform: translateY(0) scale(0.95);
}

/* 深色模式浮动按钮 */
body.dark-mode .floating-action-btn {
    background: rgba(37, 35, 32, 0.9);
    border-color: rgba(255, 255, 255, 0.08);
    color: #b8aa98;
}

body.dark-mode .floating-action-btn:hover {
    color: #e0a860;
    border-color: #e0a860;
}

/* 深色模式切换按钮图标 —— 白天显示太阳，黑夜显示月亮 */

.js-dark-toggle {
    position: relative;
    overflow: hidden;
}

.js-dark-toggle .theme-icon-sun,
.js-dark-toggle .theme-icon-moon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}

/* 白天模式：太阳可见，月亮旋出 */
.js-dark-toggle .theme-icon-sun {
    opacity: 1;
}

.js-dark-toggle .theme-icon-moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-90deg) scale(0.6);
}

/* 深色模式：月亮可见，太阳旋出 */
body.dark-mode .js-dark-toggle .theme-icon-sun {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg) scale(0.6);
}

body.dark-mode .js-dark-toggle .theme-icon-moon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

/* ========== 404 Page ========== */
.page-404 {
    text-align: center;
    padding: 80px 20px;
}

.page-404-icon {
    font-size: 90px;
    color: var(--accent);
    margin-bottom: 24px;
    opacity: 0.7;
    animation: float 3s ease-in-out infinite;
}

.page-404 h1 {
    font-size: 2.2rem;
    margin-bottom: 12px;
    font-weight: 800;
}

.page-404 p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-size: 16px;
}

.page-404 .btn-home {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.page-404 .btn-home:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 132, 60, 0.35);
}

/* Page content */
.page-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    box-shadow: var(--shadow-glass);
    border: 1px solid var(--glass-border);
}

.page-content .post-content {
    font-size: 16px;
}

/* ========== Dark Mode Fine-tuning ========== */
body.dark-mode .desktop-header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    border-bottom-color: rgba(255,255,255,0.06);
}

body.dark-mode .desktop-header.scrolled {
    background: rgba(37, 35, 32, 0.92);
}

body.dark-mode .desktop-header-brand { color: #e8e0d8; }
body.dark-mode .desktop-header-brand i { color: #e0a860; }
body.dark-mode .desktop-header-brand:hover { color: #e0a860; }
body.dark-mode .desktop-header-actions { border-left-color: #3a3530; }
body.dark-mode .desktop-nav-item { color: #b8aa98; }
body.dark-mode .desktop-nav-item:hover { color: #e0a860; background: #2d2a26; }
body.dark-mode .desktop-nav-submenu { background: #2a2722; border-color: #3d3830; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); }
body.dark-mode .desktop-nav-subitem { color: #b8aa98; }
body.dark-mode .desktop-nav-subitem i { color: #8a7e70; }
body.dark-mode .desktop-nav-subitem:hover { color: #e0a860; background: #2d2a26; }
body.dark-mode .desktop-nav-subitem:hover i { color: #e0a860; }
body.dark-mode .desktop-action-btn { color: #b8aa98; }
body.dark-mode .desktop-action-btn:hover { color: #e0a860; background: #2d2a26; }

body.dark-mode .page-link {
    background: var(--glass-bg);
    border-color: rgba(255,255,255,0.06);
    color: #b8aa98;
}

body.dark-mode .page-link:hover {
    color: #e0a860;
    border-color: #e0a860;
    background: rgba(224, 168, 96, 0.12);
}

body.dark-mode .page-item.active .page-link {
    background: #c8843c;
    border-color: #c8843c;
    color: #fff;
}

body.dark-mode .page-item.disabled .page-link { color: #5d5246; }
body.dark-mode .page-link.page-ellipsis { background: transparent; color: #7d7164; }

/* Dark mode - Load More Button */
body.dark-mode .load-more-btn {
    color: #e0a860;
    border-color: #e0a860;
    background: rgba(224, 168, 96, 0.08);
}
body.dark-mode .load-more-btn:hover {
    background: #e0a860;
    color: #1a1816;
}
body.dark-mode .load-more-end { color: #7d7164; }
body.dark-mode .load-more-end i { color: #e0a860; }

/* Dark mode - Comment Pagination */
body.dark-mode .comment-pagination a {
    background: #2a2722;
    border-color: #3d3830;
    color: #b8aa98;
}
body.dark-mode .comment-pagination a:hover {
    color: #e0a860;
    border-color: #e0a860;
    background: rgba(224, 168, 96, 0.12);
}
body.dark-mode .comment-pagination span {
    background: #c8843c;
    border-color: #c8843c;
    color: #fff;
}
body.dark-mode .comment-pagination em {
    color: #7d7164;
}

/* Dark mode widget styles */
body.dark-mode .widget-emlog .widget-title { color: #e8e0d8; border-bottom-color: #3a3530; }
body.dark-mode .widget-link-item { border-bottom-color: #3a3530; }
body.dark-mode .widget-link-item a { color: #b8aa98; }
body.dark-mode .widget-sort-item > a { color: #b8aa98; }
body.dark-mode .widget-sort-sub-item a { color: #7d7164; }
body.dark-mode .tag-cloud-item { color: #b8aa98; }
body.dark-mode .tag-cloud-item:hover { background: rgba(224, 168, 96, 0.15); }
body.dark-mode .widget-comment-item { border-bottom-color: #3a3530; }
body.dark-mode .widget-comment-avatar { border-color: #3a3530; }
body.dark-mode .widget-comment-text { color: #b8aa98; }
body.dark-mode .widget-post-item { border-bottom-color: #3a3530; }
body.dark-mode .widget-post-item a { color: #b8aa98; }
body.dark-mode .widget-search-input { background: #2d2a26; border-color: #3a3530; color: #e8e0d8; }
body.dark-mode .widget-archive-select { background: #2d2a26; border-color: #3a3530; color: #e8e0d8; }
body.dark-mode .widget-twitter-item { border-bottom-color: #3a3530; }
body.dark-mode .widget-twitter-content { color: #b8aa98; }
body.dark-mode .widget-blogger-description { color: #7d7164; }
body.dark-mode .widget-custom-content { color: #b8aa98; }
body.dark-mode .widget-empty { color: #7d7164; }

/* Dark mode card hover */
body.dark-mode .post-card:hover {
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(200, 132, 60, 0.2);
}

body.dark-mode .single-post {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

body.dark-mode .comments-section {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

/* Side Twitter List dark mode */
body.dark-mode .side-twitter-item { border-bottom-color: #302b27; }
body.dark-mode .side-twitter-author { color: #e8e0d8; }
body.dark-mode .side-twitter-time { color: #7d7164; }
body.dark-mode .side-twitter-content { color: #b8aa98; }

body.dark-mode .post-content code { color: #e0a860; }
body.dark-mode .post-content pre code { color: #e8e0d8; }

/* Shiguang desktop navigation */
.desktop-header {
    width: min(1440px, calc(100% - 32px));
    margin: 0 auto;
    top: 12px;
    border-radius: 22px;
    border-bottom: 1px solid var(--glass-border);
    overflow: visible;
}

.desktop-header.scrolled,
body.dark-mode .desktop-header.scrolled {
    background: var(--glass-bg);
    box-shadow: var(--shadow-glass);
}

.desktop-header-inner {
    height: 64px;
    padding: 0 16px 0 20px;
}

.desktop-header-brand {
    gap: 11px;
    font-size: 18px;
    letter-spacing: .025em;
}

.desktop-header-brand i {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    color: #fff;
    font-size: 20px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 9px 22px rgba(var(--accent-rgb), .24);
}

.desktop-nav-item {
    padding: 9px 14px;
    border-radius: 13px;
    font-weight: 650;
}

.desktop-nav-item::after {
    display: none;
}

.desktop-nav-item:hover {
    transform: translateY(-1px);
    background: rgba(var(--accent-rgb), .10);
}

.desktop-header-actions {
    border-left-color: var(--border-light);
}

.desktop-action-btn,
.mobile-menu-btn,
.mobile-dark-btn {
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,.48);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.75);
}

.desktop-nav-submenu {
    top: calc(100% + 8px);
    padding: 8px;
    border-radius: 18px;
    border-color: var(--glass-border);
    background: var(--bg-card-solid);
    box-shadow: var(--shadow-lg);
    backdrop-filter: var(--glass-blur);
}

.desktop-nav-subitem {
    border-radius: 11px;
}

/* Shiguang footer and mobile drawer shell */
.app-footer {
    background: transparent;
    border-top: 0;
}

.footer-inner {
    width: min(1440px, calc(100% - 32px));
    margin: 0 auto 18px;
    padding: 17px 20px;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    background: var(--bg-footer);
    box-shadow: var(--shadow-sm);
    backdrop-filter: var(--glass-blur-light);
}

.app-aside {
    border-right-color: var(--glass-border);
}

.aside-avatar img {
    border-color: rgba(255,255,255,.92);
    box-shadow: 0 12px 28px rgba(var(--accent-rgb), .16);
}

.aside-avatar-link::after {
    background: conic-gradient(var(--accent), var(--accent-2), #e58ae7, var(--accent));
}

.time-progress {
    background: var(--border-light);
}

.time-progress-bar {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.nav-item:hover,
.nav-has-sub.active > .nav-item {
    background: rgba(var(--accent-rgb), .09);
}

/* Contained search focus state */
.search-modal-input-wrap {
    box-sizing: border-box;
    overflow: hidden;
    border: 1px solid var(--border-input);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.search-modal-input-wrap:focus-within {
    border-color: rgba(var(--accent-rgb), .68);
    box-shadow: inset 0 0 0 2px rgba(var(--accent-rgb), .20);
    background: rgba(255,255,255,.72);
}

.search-modal-input:focus,
.search-modal-input:focus-visible,
.widget-search-input:focus,
.widget-search-input:focus-visible {
    outline: none !important;
}

.search-modal-input:focus,
.search-modal-input:focus-visible {
    box-shadow: none !important;
}

body.dark-mode .search-modal-input-wrap:focus-within {
    background: rgba(37,50,70,.82);
}