@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
    --tech-bg-primary: #FFFFFF;
    --tech-bg-secondary: #F8FAFC;
    --tech-bg-tertiary: #F1F5F9;
    --tech-bg-card: #FFFFFF;
    --tech-accent: #10B981;
    --tech-accent-hover: #059669;
    --tech-accent-glow: rgba(16, 185, 129, 0.2);
    --tech-text-primary: #1E293B;
    --tech-text-secondary: #475569;
    --tech-text-muted: #94A3B8;
    --tech-border: #E2E8F0;
    --tech-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --tech-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --tech-radius: 8px;
    --tech-radius-lg: 12px;
    --tech-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --tech-font-mono: 'Fira Code', 'Consolas', monospace;
}

* {
    transition: all 0.2s ease-in-out;
}

html, body {
    background-color: var(--tech-bg-primary) !important;
    color: var(--tech-text-primary) !important;
    font-family: var(--tech-font-body) !important;
    min-height: 100vh;
}

body {
    background-image: 
        radial-gradient(ellipse at top, rgba(16, 185, 129, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(16, 185, 129, 0.02) 0%, transparent 40%);
}

a {
    color: var(--tech-accent);
    text-decoration: none;
}

a:hover {
    color: var(--tech-accent-hover);
    text-decoration: none;
}

.text {
    color: var(--tech-text-muted) !important;
    font-size: 12px;
}

.error-message {
    color: #EF4444 !important;
    font-family: var(--tech-font-mono);
}

.success-message {
    color: var(--tech-accent) !important;
    font-family: var(--tech-font-mono);
}

::-webkit-scrollbar {
    height: 8px;
    width: 6px;
    background: var(--tech-bg-secondary);
}

::-webkit-scrollbar:hover {
    background: var(--tech-bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tech-accent);
}

.manual-header {
    margin-bottom: 0;
    background-color: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--tech-border) !important;
    border-top: none !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.manual-header .navbar-brand {
    color: var(--tech-accent) !important;
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.manual-header .navbar-brand:hover {
    color: var(--tech-accent-hover) !important;
}

.manual-header a {
    color: var(--tech-text-secondary) !important;
    font-weight: 500;
}

.manual-header .navbar-nav > li > a {
    color: var(--tech-text-secondary) !important;
    padding: 15px 20px;
    position: relative;
}

.manual-header .navbar-nav > li > a:hover {
    color: var(--tech-text-primary) !important;
    background-color: transparent !important;
}

.manual-header .navbar-nav li.active a {
    background-color: transparent !important;
    color: var(--tech-accent) !important;
    box-shadow: none !important;
}

.manual-header .navbar-nav li.active a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--tech-accent);
    border-radius: 2px;
}

.manual-header .navbar-nav > li > a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 2px;
    background: transparent;
    border-radius: 2px;
    transition: background 0.2s ease-in-out;
}

.manual-header .navbar-nav > li > a:hover::before {
    background: var(--tech-text-muted);
}

.user-info {
    background-color: transparent !important;
    border: none !important;
    padding: 8px 12px !important;
    cursor: pointer;
    border-radius: var(--tech-radius);
}

.user-info:hover {
    background-color: var(--tech-bg-secondary) !important;
}

.userbar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--tech-bg-tertiary);
    margin-right: 12px;
    object-fit: cover;
}

.userbar-content span {
    color: var(--tech-text-primary) !important;
    font-weight: 500;
    font-size: 14px;
}

.userbar-content div {
    color: var(--tech-text-muted) !important;
    font-size: 12px;
    font-family: var(--tech-font-mono);
}

.user-info-dropdown {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow-lg) !important;
    padding: 8px !important;
    margin-top: 8px !important;
}

.user-info-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    right: 20px;
    width: 16px;
    height: 16px;
    background: var(--tech-bg-secondary);
    transform: rotate(45deg);
    border-radius: 2px;
}

.user-info-dropdown a {
    color: var(--tech-text-secondary) !important;
    font-size: 14px;
    padding: 10px 16px !important;
    height: auto !important;
    line-height: 1.5 !important;
    border-radius: var(--tech-radius);
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info-dropdown a:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.user-info-dropdown a i {
    color: var(--tech-accent);
    width: 16px;
}

.searchbar {
    padding: 10px;
}

.searchbar .form-control {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    color: var(--tech-text-primary) !important;
    border-radius: var(--tech-radius) !important;
    padding: 10px 16px;
    font-size: 14px;
    width: 220px;
}

.searchbar .form-control:focus {
    outline: none !important;
    box-shadow: 0 0 0 2px var(--tech-accent-glow) !important;
    border: none !important;
}

.searchbar .form-control::placeholder {
    color: var(--tech-text-muted);
}

.searchbar .search-btn {
    background: transparent;
    border: none;
    color: var(--tech-text-muted);
    padding: 8px 12px;
    margin-left: -40px;
    cursor: pointer;
}

.searchbar .search-btn:hover {
    color: var(--tech-accent);
}

.manual-body {
    margin-top: 60px;
    background-color: var(--tech-bg-primary);
}

.manual-body .page-left {
    background-color: var(--tech-bg-secondary) !important;
    border-right: 1px solid var(--tech-border) !important;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.02);
}

.manual-body .page-left .menu {
    padding: 16px 0;
}

.manual-body .page-left .menu li {
    height: 40px;
    line-height: 40px;
}

.manual-body .page-left .menu .item {
    color: var(--tech-text-secondary) !important;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
}

.manual-body .page-left .menu .item:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.manual-body .page-left .menu .item i {
    color: var(--tech-accent);
    width: 16px;
}

.manual-body .page-left .menu li.active .item {
    background-color: rgba(16, 185, 129, 0.1) !important;
    color: var(--tech-accent) !important;
    border-left: 3px solid var(--tech-accent);
    padding-left: 21px;
}

.manual-body .page-right {
    padding: 20px 30px;
    margin-left: 200px;
}

.manual-body .page-right .box-head {
    border-bottom: 1px solid var(--tech-bg-tertiary) !important;
    padding-bottom: 16px;
}

.m-box .box-head .box-title {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
    font-size: 20px;
    border-bottom: none !important;
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
    letter-spacing: -0.02em;
}

.manual-body .page-right .box-body label,
.text-label {
    color: var(--tech-text-secondary) !important;
    font-weight: 500;
    font-size: 14px;
}

.manual-list {
    margin: 20px auto;
    padding: 10px;
}

.manual-list .list-item {
    float: left;
    padding: 15px;
    margin: 15px 0;
    height: 300px;
    border: none !important;
    background: transparent;
}

.manual-list .list-item .manual-item-standard {
    width: 180px;
}

.manual-list .list-item .manual-item-standard > dt {
    margin-bottom: 12px;
    height: 240px;
}

.manual-list .list-item .manual-item-standard .cover {
    border: none !important;
    width: 170px;
    height: 230px;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow-lg) !important;
    background: linear-gradient(135deg, 
        var(--tech-bg-tertiary) 0%, 
        var(--tech-bg-secondary) 50%, 
        var(--tech-bg-primary) 100%);
    position: relative;
    overflow: hidden;
    object-fit: cover;
}

.manual-list .list-item .manual-item-standard .cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(16, 185, 129, 0.05) 50%, transparent 70%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(16, 185, 129, 0.02) 2px, rgba(16, 185, 129, 0.02) 4px);
    pointer-events: none;
}

.manual-list .list-item .manual-item-standard .cover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(16, 185, 129, 0.1), transparent);
    pointer-events: none;
}

.manual-list .list-item .manual-item-standard .b-cover:hover {
    box-shadow: 0 0 20px var(--tech-accent-glow), var(--tech-shadow-lg) !important;
    transform: translateY(-4px);
}

.manual-list .list-item .manual-item-standard a.name {
    color: var(--tech-text-primary) !important;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-top: 8px;
}

.manual-list .list-item .manual-item-standard a.name:hover {
    color: var(--tech-accent) !important;
}

.manual-list .list-item .manual-item-standard .author {
    color: var(--tech-text-muted) !important;
    font-size: 12px;
    font-family: var(--tech-font-mono);
}

.manual-list .list-item .manual-item-standard .author > .text {
    color: var(--tech-text-muted) !important;
}

.book-list .list-item {
    background-color: var(--tech-bg-card) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg);
    padding: 16px 20px;
    margin-bottom: 12px;
    box-shadow: var(--tech-shadow);
    position: relative;
    z-index: 1;
}

.book-list .list-item:hover {
    background-color: var(--tech-bg-secondary) !important;
    transform: translateX(4px);
    z-index: 10;
}

.book-list .list-item a {
    color: var(--tech-text-primary) !important;
    font-size: 16px;
    font-weight: 500;
}

.book-list .list-item a:hover {
    color: var(--tech-accent) !important;
}

.book-list .list-item .desc-text {
    color: var(--tech-text-secondary) !important;
    font-size: 13px;
    margin-top: 8px;
}

.book-list .list-item .info {
    color: var(--tech-text-muted) !important;
    font-size: 12px;
    font-family: var(--tech-font-mono);
}

.book-list .list-item .info i {
    color: var(--tech-accent);
    margin-right: 4px;
}

.book-list .list-item .info span {
    padding-right: 16px;
}

.text-center[style*="height: 200px"] {
    color: var(--tech-text-muted) !important;
    font-family: var(--tech-font-mono) !important;
    font-size: 14px !important;
    background: transparent !important;
    height: auto !important;
    margin: 80px auto !important;
    padding: 40px !important;
    position: relative;
}

.text-center[style*="height: 200px"]::before {
    content: '';
    display: block;
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: var(--tech-bg-secondary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--tech-accent-glow);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 10px var(--tech-accent-glow);
    }
    50% {
        box-shadow: 0 0 25px var(--tech-accent-glow), 0 0 40px rgba(16, 185, 129, 0.15);
    }
}

.pagination-container {
    margin: 20px auto;
}

.pagination-container .pagination {
    box-shadow: none !important;
    background: transparent;
}

.pagination-container .pagination > li > a,
.pagination-container .pagination > li > span {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    color: var(--tech-text-secondary) !important;
    padding: 10px 16px !important;
    margin: 0 4px;
    border-radius: var(--tech-radius) !important;
    font-weight: 500;
}

.pagination-container .pagination > li > a:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.pagination-container .pagination > .active > a,
.pagination-container .pagination > .active > a:hover {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
}

.pagination-container .pagination > .disabled > a {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-muted) !important;
    opacity: 0.5;
}

.footer {
    background-color: var(--tech-bg-secondary) !important;
    color: var(--tech-text-muted) !important;
    border-top: 1px solid var(--tech-bg-tertiary);
    padding: 30px 0;
    margin-top: 60px;
}

.footer .container .row {
    margin-left: 0;
    padding-top: 20px;
    opacity: 1;
}

.footer a {
    color: var(--tech-text-secondary) !important;
}

.footer a:hover {
    color: var(--tech-accent) !important;
}

.login .login-body {
    background-color: var(--tech-bg-card) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow-lg) !important;
    padding: 40px 30px;
    width: 420px;
}

.login .login-body h3 {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.login .login-body .form-control {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    color: var(--tech-text-primary) !important;
    border-radius: var(--tech-radius) !important;
    padding: 12px 16px;
    font-size: 14px;
    height: auto;
}

.login .login-body .form-control:focus {
    outline: none !important;
    box-shadow: 0 0 0 2px var(--tech-accent-glow) !important;
    border: none !important;
}

.login .login-body .form-control::placeholder {
    color: var(--tech-text-muted);
}

.login .login-body .input-group-addon {
    background-color: var(--tech-bg-tertiary) !important;
    border: none !important;
    color: var(--tech-accent) !important;
    border-radius: var(--tech-radius) 0 0 var(--tech-radius) !important;
    padding: 12px 16px;
}

.login .login-body .input-group .form-control {
    border-radius: 0 var(--tech-radius) var(--tech-radius) 0 !important;
}

.login .login-body .checkbox label {
    color: var(--tech-text-secondary) !important;
}

.login .login-body .btn-success {
    background-color: var(--tech-accent) !important;
    border: none !important;
    color: var(--tech-bg-primary) !important;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--tech-radius) !important;
    letter-spacing: 0.02em;
}

.login .login-body .btn-success:hover {
    background-color: var(--tech-accent-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--tech-accent-glow);
}

.login .line {
    border-top: 1px solid var(--tech-bg-tertiary) !important;
}

.login .line > .text {
    background-color: var(--tech-bg-card) !important;
    color: var(--tech-text-muted) !important;
    font-size: 12px;
}

.login .icon {
    background-color: var(--tech-bg-secondary) !important;
    border: 1px solid var(--tech-bg-tertiary);
}

.login .icon:hover {
    background-color: var(--tech-bg-tertiary) !important;
    border-color: var(--tech-accent);
}

.login .icon-disable {
    background-color: var(--tech-bg-tertiary) !important;
    opacity: 0.5;
}

.form-control {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    color: var(--tech-text-primary) !important;
    border-radius: var(--tech-radius) !important;
    padding: 10px 16px;
    font-size: 14px;
    box-shadow: none !important;
}

.form-control:focus {
    outline: none !important;
    box-shadow: 0 0 0 2px var(--tech-accent-glow) !important;
    border: none !important;
}

.form-control::placeholder {
    color: var(--tech-text-muted);
}

.form-control[disabled],
.form-control[readonly],
.input-readonly {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-muted) !important;
    opacity: 0.7;
}

textarea.form-control {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
}

/* ========================================
   Select 下拉框优化样式
   ======================================== */

/* 基础下拉框样式 */
select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    background-size: 12px !important;
    padding-right: 36px !important;
    cursor: pointer;
    min-height: 42px;
    height: auto;
    line-height: 1.5;
    transition: all 0.2s ease;
}

select.form-control:hover {
    background-color: var(--tech-bg-tertiary) !important;
}

/* Select2 下拉框优化 */
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    background-color: var(--tech-bg-secondary) !important;
    border: 1px solid var(--tech-border) !important;
    border-radius: var(--tech-radius) !important;
    min-height: 42px;
    padding: 6px 12px;
    transition: all 0.2s ease;
}

.select2-container--default .select2-selection--single:hover,
.select2-container--default .select2-selection--multiple:hover {
    border-color: var(--tech-accent) !important;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--multiple {
    border-color: var(--tech-accent) !important;
    box-shadow: 0 0 0 2px var(--tech-accent-glow) !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--tech-text-primary) !important;
    line-height: 28px;
    padding-left: 0;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: var(--tech-text-muted) !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 40px;
    right: 8px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow b {
    border-color: var(--tech-text-muted) transparent transparent transparent;
}

/* Select2 下拉菜单样式 */
.select2-dropdown {
    background-color: var(--tech-bg-card) !important;
    border: 1px solid var(--tech-border) !important;
    border-radius: var(--tech-radius) !important;
    box-shadow: var(--tech-shadow-lg) !important;
}

.select2-results__option {
    padding: 10px 16px !important;
    color: var(--tech-text-secondary) !important;
    transition: all 0.15s ease;
}

.select2-results__option--highlighted[aria-selected] {
    background-color: var(--tech-bg-secondary) !important;
    color: var(--tech-text-primary) !important;
}

.select2-results__option[aria-selected=true] {
    background-color: rgba(16, 185, 129, 0.1) !important;
    color: var(--tech-accent) !important;
}

.select2-search--dropdown .select2-search__field {
    background-color: var(--tech-bg-secondary) !important;
    border: 1px solid var(--tech-border) !important;
    border-radius: var(--tech-radius) !important;
    color: var(--tech-text-primary) !important;
    padding: 8px 12px;
    margin: 8px;
    width: calc(100% - 16px) !important;
}

.select2-search--dropdown .select2-search__field:focus {
    border-color: var(--tech-accent) !important;
    box-shadow: 0 0 0 2px var(--tech-accent-glow) !important;
    outline: none;
}

/* Select2 多选标签样式 */
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: var(--tech-accent) !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
    color: #fff !important;
    padding: 4px 10px;
    margin: 4px 6px 4px 0;
    font-size: 13px;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: rgba(255, 255, 255, 0.7) !important;
    margin-right: 4px;
    font-size: 16px;
    line-height: 1;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
    color: #fff !important;
}

/* 下拉选项文字溢出处理 */
select.form-control option {
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding: 8px 12px;
    line-height: 1.4;
    min-height: 32px;
}

/* 长文本选项提示 */
.select2-results__option {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* 下拉框组样式 */
.input-group select.form-control {
    border-radius: 0 !important;
}

.input-group select.form-control:first-child {
    border-radius: var(--tech-radius) 0 0 var(--tech-radius) !important;
}

.input-group select.form-control:last-child {
    border-radius: 0 var(--tech-radius) var(--tech-radius) 0 !important;
}

/* 表单组中的下拉框 */
.form-group select.form-control {
    margin-top: 6px;
}

/* 下拉框禁用状态 */
select.form-control:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--tech-bg-tertiary) !important;
}

/* 响应式适配 */
@media screen and (max-width: 768px) {
    select.form-control {
        min-height: 38px;
        font-size: 13px;
        padding: 8px 32px 8px 12px;
    }

    .select2-container--default .select2-selection--single,
    .select2-container--default .select2-selection--multiple {
        min-height: 38px;
        padding: 4px 10px;
    }

    .select2-results__option {
        padding: 8px 12px !important;
        font-size: 13px;
    }
}

.btn {
    border-radius: var(--tech-radius) !important;
    font-weight: 500;
    padding: 10px 20px;
    border: none !important;
    transition: all 0.2s ease-in-out;
}

.btn-default {
    background-color: var(--tech-bg-secondary) !important;
    color: var(--tech-text-secondary) !important;
    border: none !important;
}

.btn-default:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.btn-primary {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
    border: none !important;
}

.btn-primary:hover {
    background-color: var(--tech-accent-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--tech-accent-glow);
}

.btn-success {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
    border: none !important;
}

.btn-success:hover {
    background-color: var(--tech-accent-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--tech-accent-glow);
}

.btn-danger {
    background-color: #EF4444 !important;
    color: var(--tech-text-primary) !important;
    border: none !important;
}

.btn-danger:hover {
    background-color: #DC2626 !important;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-group .btn {
    border-radius: var(--tech-radius) !important;
}

.btn-group .btn:first-child:not(:last-child) {
    border-radius: var(--tech-radius) !important;
}

.dropdown-menu {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow-lg) !important;
    padding: 8px !important;
}

.dropdown-menu > li > a {
    color: var(--tech-text-secondary) !important;
    padding: 10px 16px;
    border-radius: var(--tech-radius);
    font-size: 14px;
}

.dropdown-menu > li > a:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.modal-content {
    background-color: var(--tech-bg-card) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow-lg) !important;
}

.modal-header {
    background-color: var(--tech-bg-secondary) !important;
    border-bottom: none !important;
    border-radius: var(--tech-radius-lg) var(--tech-radius-lg) 0 0 !important;
    padding: 20px 24px;
}

.modal-header .close {
    color: var(--tech-text-muted) !important;
    opacity: 1;
    font-size: 24px;
}

.modal-header .close:hover {
    color: var(--tech-accent) !important;
}

.modal-title {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.modal-body {
    padding: 24px;
    color: var(--tech-text-secondary) !important;
}

.modal-footer {
    background-color: var(--tech-bg-secondary) !important;
    border-top: none !important;
    border-radius: 0 0 var(--tech-radius-lg) var(--tech-radius-lg) !important;
    padding: 16px 24px;
}

.panel {
    background-color: var(--tech-bg-card) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow) !important;
}

.panel-heading {
    background-color: var(--tech-bg-secondary) !important;
    border-bottom: none !important;
    border-radius: var(--tech-radius-lg) var(--tech-radius-lg) 0 0 !important;
    color: var(--tech-text-primary) !important;
}

.panel-body {
    color: var(--tech-text-secondary) !important;
}

.panel-footer {
    background-color: var(--tech-bg-secondary) !important;
    border-top: none !important;
    border-radius: 0 0 var(--tech-radius-lg) var(--tech-radius-lg) !important;
}

.table {
    background-color: var(--tech-bg-card) !important;
    color: var(--tech-text-secondary) !important;
}

.table > thead > tr > th {
    background-color: var(--tech-bg-secondary) !important;
    border-bottom: none !important;
    color: var(--tech-text-primary) !important;
    font-weight: 600;
    padding: 16px;
}

.table > tbody > tr > td {
    border-bottom: 1px solid var(--tech-bg-tertiary) !important;
    padding: 14px 16px;
}

.table > tbody > tr:hover > td {
    background-color: var(--tech-bg-secondary) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: var(--tech-bg-card) !important;
}

.table-striped > tbody > tr:nth-of-type(even) {
    background-color: rgba(241, 245, 249, 0.5) !important;
}

.label {
    border-radius: var(--tech-radius) !important;
    font-weight: 500;
    padding: 4px 10px;
    font-size: 12px;
}

.label-default {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-secondary) !important;
}

.label-primary {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
}

.label-success {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
}

.label-info {
    background-color: #06B6D4 !important;
    color: var(--tech-bg-primary) !important;
}

.label-warning {
    background-color: #F59E0B !important;
    color: var(--tech-bg-primary) !important;
}

.label-danger {
    background-color: #EF4444 !important;
    color: var(--tech-text-primary) !important;
}

.alert {
    border: none !important;
    border-radius: var(--tech-radius) !important;
    padding: 16px 20px;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1) !important;
    color: var(--tech-accent) !important;
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1) !important;
    color: #06B6D4 !important;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1) !important;
    color: #F59E0B !important;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: #EF4444 !important;
}

.nav-tabs {
    border-bottom: none !important;
}

.nav-tabs > li > a {
    background-color: var(--tech-bg-secondary) !important;
    color: var(--tech-text-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius) var(--tech-radius) 0 0 !important;
    margin-right: 4px;
    padding: 12px 20px;
}

.nav-tabs > li > a:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.nav-tabs > li.active > a,
.nav-tabs > li.active > a:hover {
    background-color: var(--tech-bg-card) !important;
    color: var(--tech-accent) !important;
    border: none !important;
}

.tab-content {
    background-color: var(--tech-bg-card) !important;
    border-radius: 0 0 var(--tech-radius) var(--tech-radius) !important;
    padding: 20px;
}

.ui-card {
    background-color: var(--tech-bg-card) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow) !important;
    color: var(--tech-text-primary) !important;
    padding: 20px 30px;
    margin: 12px 15px;
    width: 22%;
}

.ui-card:hover {
    box-shadow: var(--tech-shadow-lg), 0 0 20px var(--tech-accent-glow) !important;
    transform: translateY(-4px);
}

.ui-card > .header {
    color: var(--tech-accent) !important;
    font-weight: 600;
    font-size: 18px;
}

.ui-card > .description {
    color: var(--tech-text-secondary) !important;
    font-size: 13px;
}

.manager .dashboard-item {
    background-color: var(--tech-bg-card) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    color: var(--tech-text-secondary) !important;
    box-shadow: var(--tech-shadow);
    padding: 16px;
    margin: 8px;
}

.manager .dashboard-item:hover {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px var(--tech-accent-glow);
}

.manager .dashboard-item .fa {
    color: var(--tech-accent);
    font-size: 28px;
    margin-bottom: 12px;
}

.manager .dashboard-item:hover .fa {
    color: var(--tech-bg-primary);
}

.tag-container-outer {
    border-bottom: 1px solid var(--tech-bg-tertiary) !important;
    padding: 12px 0;
}

.tag-container-outer .title {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
}

.tag-container-outer .tags a {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-secondary) !important;
    border-radius: var(--tech-radius) !important;
    padding: 6px 12px;
    margin: 4px;
    font-size: 13px;
}

.tag-container-outer .tags a:hover {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
}

.ui.items > .item {
    border-bottom: 1px solid var(--tech-bg-tertiary) !important;
    padding: 16px 0;
}

.ui.items > .item > .content > .header {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
}

.ui.items > .item > .content > .description {
    color: var(--tech-text-secondary) !important;
}

.ui.items > .item .meta {
    color: var(--tech-text-muted) !important;
    font-family: var(--tech-font-mono);
}

.ui.horizontal.list a {
    color: var(--tech-text-muted) !important;
}

.ui.horizontal.list a:hover {
    color: var(--tech-accent) !important;
}

.ui.teal.label {
    background-color: var(--tech-accent) !important;
}

.users-list .list-item {
    background-color: var(--tech-bg-card) !important;
    border-bottom: none !important;
    border-radius: var(--tech-radius);
    padding: 16px;
    margin-bottom: 8px;
}

.users-list .list-item:hover {
    background-color: var(--tech-bg-secondary) !important;
}

.dashboard .summary {
    color: var(--tech-text-secondary) !important;
}

.manual-search-reader .search-head {
    border-bottom: 2px solid var(--tech-bg-tertiary) !important;
}

.manual-search-reader .search-title {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
}

.manual-search-reader .search-empty .empty-text {
    color: var(--tech-text-muted) !important;
    font-family: var(--tech-font-mono);
}

.manual-search-reader .search-item {
    background-color: var(--tech-bg-card) !important;
    border-radius: var(--tech-radius);
    margin: 8px 15px;
    padding: 16px 20px;
}

.manual-search-reader .search-item:hover {
    background-color: var(--tech-bg-secondary) !important;
}

.manual-search-reader .search-item a {
    color: var(--tech-accent) !important;
}

.manual-search-reader .search-item em {
    color: var(--tech-accent) !important;
    font-style: normal;
    font-weight: 600;
}

.manual-search-reader .search-item .title {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
}

.manual-search-reader .search-item .description {
    color: var(--tech-text-secondary) !important;
}

.manual-search-reader .search-item .site {
    color: var(--tech-text-muted) !important;
    font-family: var(--tech-font-mono);
}

.manual-search-reader .search-item .source {
    color: var(--tech-text-muted) !important;
}

.manual-search-reader .search-item .title .mark-book {
    background-color: var(--tech-accent) !important;
}

.manual-search-reader .search-item .title .mark-blog {
    background-color: #06B6D4 !important;
}

.manual-search-reader .search-item .title .mark-doc {
    background-color: #8B5CF6 !important;
}

.well {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius-lg) !important;
    color: var(--tech-text-secondary) !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

hr {
    border-top: 1px solid var(--tech-bg-tertiary) !important;
}

code, pre {
    background-color: var(--tech-bg-secondary) !important;
    color: #059669 !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
    font-family: var(--tech-font-mono) !important;
    padding: 4px 8px;
}

pre {
    padding: 16px;
}

blockquote {
    border-left: 4px solid var(--tech-accent) !important;
    background-color: var(--tech-bg-secondary) !important;
    color: var(--tech-text-secondary) !important;
    padding: 16px 20px;
    border-radius: 0 var(--tech-radius) var(--tech-radius) 0;
}

.img-circle {
    border: 2px solid var(--tech-bg-tertiary);
    transition: border-color 0.2s ease-in-out;
}

.img-circle:hover {
    border-color: var(--tech-accent);
}

.navbar-mobile {
    color: var(--tech-text-secondary) !important;
}

.navbar-mobile a {
    color: var(--tech-text-secondary) !important;
}

.navbar-mobile a:hover {
    color: var(--tech-accent) !important;
}

.slidebar .btn-default {
    background-color: var(--tech-bg-secondary) !important;
}

.slidebar .dropdown-menu {
    right: 0;
    left: auto;
}

@media screen and (max-width: 840px) {
    .manual-body .page-left {
        background-color: var(--tech-bg-secondary) !important;
    }
    
    .manual-body .page-right {
        background-color: var(--tech-bg-primary) !important;
    }
    
    .footer .container .row {
        background-color: var(--tech-bg-secondary) !important;
    }
}

.layer-msg {
    background-color: var(--tech-bg-secondary) !important;
    color: var(--tech-text-primary) !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
}

.tooltip-inner {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
    border-radius: var(--tech-radius) !important;
    font-size: 12px;
    padding: 8px 12px;
}

.tooltip.top .tooltip-arrow {
    border-top-color: var(--tech-bg-tertiary) !important;
}

.tooltip.bottom .tooltip-arrow {
    border-bottom-color: var(--tech-bg-tertiary) !important;
}

.tooltip.left .tooltip-arrow {
    border-left-color: var(--tech-bg-tertiary) !important;
}

.tooltip.right .tooltip-arrow {
    border-right-color: var(--tech-bg-tertiary) !important;
}

.has-error .form-control {
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.3) !important;
}

.has-error .tooltip-inner {
    background-color: #EF4444 !important;
}

.has-error .tooltip-arrow {
    border-color: #EF4444 !important;
}

.select2-container--default .select2-selection--single {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
    height: 42px;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--tech-text-primary) !important;
    line-height: 42px;
    padding-left: 16px;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: var(--tech-text-muted) !important;
}

.select2-dropdown {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
    box-shadow: var(--tech-shadow-lg) !important;
}

.select2-results__option {
    color: var(--tech-text-secondary) !important;
    padding: 10px 16px;
}

.select2-results__option--highlighted[aria-selected] {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.select2-container--default .select2-results__option--selected[aria-selected=true] {
    background-color: rgba(16, 185, 129, 0.1) !important;
    color: var(--tech-accent) !important;
}

.file-input {
    background-color: var(--tech-bg-secondary) !important;
}

.file-preview {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    border-radius: var(--tech-radius) !important;
}

.kv-fileinput-caption {
    background-color: var(--tech-bg-secondary) !important;
    border: none !important;
    color: var(--tech-text-primary) !important;
}

.btn-file {
    background-color: var(--tech-accent) !important;
    color: var(--tech-bg-primary) !important;
}

.jstree-default .jstree-node {
    background-color: transparent;
}

.jstree-default .jstree-anchor {
    color: var(--tech-text-secondary) !important;
}

.jstree-default .jstree-anchor:hover {
    background-color: var(--tech-bg-tertiary) !important;
    color: var(--tech-text-primary) !important;
}

.jstree-default .jstree-clicked {
    background-color: rgba(16, 185, 129, 0.1) !important;
    color: var(--tech-accent) !important;
}

.nprogress-bar {
    background: var(--tech-accent) !important;
}

.nprogress-spinner-icon {
    border-top-color: var(--tech-accent) !important;
    border-left-color: var(--tech-accent) !important;
}

input[type="radio"],
input[type="checkbox"] {
    accent-color: var(--tech-accent);
}

.radio-inline,
.checkbox-inline,
label input[type="radio"],
label input[type="checkbox"] {
    color: var(--tech-text-secondary) !important;
}

.radio-inline:hover,
.checkbox-inline:hover {
    color: var(--tech-text-primary) !important;
}

#upload-logo-panel .wraper {
    background-color: var(--tech-bg-secondary) !important;
    border-radius: var(--tech-radius-lg);
}

#upload-logo-panel .watch-crop-list {
    background-color: var(--tech-bg-secondary) !important;
    border-radius: var(--tech-radius-lg);
}

.canvas-container {
    background-color: var(--tech-bg-secondary) !important;
}

#bookCover {
    background: linear-gradient(135deg, 
        var(--tech-bg-tertiary) 0%, 
        var(--tech-bg-secondary) 50%, 
        var(--tech-bg-primary) 100%) !important;
    border-radius: var(--tech-radius-lg) !important;
    box-shadow: var(--tech-shadow-lg) !important;
}

#captcha-img {
    background-color: var(--tech-bg-secondary) !important;
    border-radius: var(--tech-radius) !important;
}

.text-danger {
    color: #EF4444 !important;
}

.text-success {
    color: var(--tech-accent) !important;
}

.text-info {
    color: #06B6D4 !important;
}

.text-warning {
    color: #F59E0B !important;
}

.text-muted {
    color: var(--tech-text-muted) !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--tech-text-primary) !important;
    font-weight: 600;
    letter-spacing: -0.02em;
}

p {
    color: var(--tech-text-secondary) !important;
}

.description {
    color: var(--tech-text-secondary) !important;
}

.pull-right .btn-group .btn {
    margin-left: 4px;
}

.book-title {
    color: var(--tech-text-primary) !important;
}

.book-title a {
    color: var(--tech-text-primary) !important;
}

.book-title a:hover {
    color: var(--tech-accent) !important;
}

.book-title i {
    color: var(--tech-accent);
}

.required .text-label::after {
    color: #EF4444 !important;
}

.form-left {
    background-color: transparent;
}

.form-right {
    background-color: transparent;
}

.m-box {
    background-color: transparent;
}

.box-body {
    background-color: transparent;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.manual-reader {
    background-color: var(--tech-bg-primary) !important;
}

.manual-container {
    background-color: var(--tech-bg-primary) !important;
}

.container {
    background-color: transparent;
}

.row {
    background-color: transparent;
}

.col-sm-12,
.col-md-6,
.col-lg-5,
.col-sm-2,
.col-sm-10 {
    background-color: transparent;
}

.navbar-header {
    background-color: transparent;
}

.navbar-collapse {
    background-color: transparent;
}

.navbar-nav {
    background-color: transparent;
}

.navbar-right {
    background-color: transparent;
}

.pull-left,
.pull-right {
    background-color: transparent;
}

.list-item dl,
.list-item dt,
.list-item dd {
    background-color: transparent;
}

.manual-item-standard dt,
.manual-item-standard dd {
    background-color: transparent;
}

.manual-list {
    background-color: transparent;
}

.pagination-container nav {
    background-color: transparent;
}

.third-party {
    background-color: transparent;
}

.icon-box {
    background-color: transparent;
}

.form-group {
    background-color: transparent;
}

.input-group {
    background-color: transparent;
}

.input-group-addon {
    background-color: var(--tech-bg-tertiary) !important;
    border: none !important;
    color: var(--tech-accent) !important;
}

.col-lg-4,
.col-lg-8,
.col-lg-20 {
    background-color: transparent;
}

.modal-dialog {
    background-color: transparent;
}

.modal-content form {
    background-color: transparent;
}

.modal-body .form-group {
    background-color: transparent;
}

.modal-body .pull-left,
.modal-body .pull-right {
    background-color: transparent;
}

.modal-body .text-center {
    background-color: transparent;
}

canvas {
    background-color: var(--tech-bg-secondary) !important;
}

.footer_links a {
    border-radius: var(--tech-radius) !important;
    transition: all 0.2s ease-in-out;
}

.footer_links a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Footer 链接导航布局
   ======================================== */
.footer-links-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 20px 0;
    max-width: 100%;
    border-top: 1px solid var(--tech-border, #e5e7eb);
}

.footer-link-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-link {
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--tech-radius, 6px);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.footer-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.footer-beian {
    text-align: center;
    padding: 15px 0 10px;
    font-size: 12px;
}

.footer-beian a {
    color: var(--tech-text-muted, #9ca3af);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-beian a:hover {
    color: var(--tech-accent, #10b981);
}

/* 响应式适配 */
@media screen and (max-width: 768px) {
    .footer-links-wrapper {
        gap: 10px;
        padding: 15px 10px;
    }

    .footer-link {
        font-size: 12px;
        padding: 6px 12px;
    }
}

@media screen and (max-width: 480px) {
    .footer-links-wrapper {
        gap: 8px;
        padding: 12px 8px;
    }

    .footer-link {
        font-size: 11px;
        padding: 5px 10px;
    }
}