/* 全局样式 - 雾面黑 + 珍珠白 + 古铜金 */
:root {
    /* 主色调 */
    --primary-color: #c9a962;
    --primary-gradient: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%);
    --primary-light: #d4b978;
    --primary-dark: #a88a4a;
    
    /* 雾面黑系列 */
    --dark-color: #1a1a1a;
    --dark-secondary: #252525;
    --dark-tertiary: #2f2f2f;
    --dark-hover: #3a3a3a;
    
    /* 珍珠白系列 */
    --light-color: #f5f5f0;
    --light-secondary: #eaeae5;
    --light-bg: #fafaf8;
    
    /* 功能色 */
    --success-color: #4a9d7c;
    --warning-color: #d4a84b;
    --danger-color: #c75a5a;
    --info-color: #5a8fc7;
    
    /* 边框和阴影 */
    --border-color: #e0e0db;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --shadow-dark: rgba(0, 0, 0, 0.15);
    
    /* 文字颜色 */
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-light: #f5f5f0;
    
    /* 暗色主题变量（用于管理后台和特殊页面） */
    --bg-dark: #1a1a1a;
    --card-bg: #252525;
    --accent-color: #c9a962;
    --accent-dark: #a88a4a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: #333;
    min-height: 100vh;
}

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

a:hover {
    color: var(--primary-dark);
}

/* 导航栏 - 雾面黑风格 */
.navbar {
    background: var(--dark-color);
    padding: 0 30px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px var(--shadow-dark);
    border-bottom: 1px solid var(--dark-tertiary);
}

.navbar .logo {
    color: var(--light-color);
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.5px;
}

.navbar .logo i {
    color: var(--primary-color);
    font-size: 26px;
}

.navbar .nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar .nav-menu .menu-close {
    display: none;
}

.navbar .nav-menu a {
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 14px;
    position: relative;
}

.navbar .nav-menu a:hover {
    color: var(--light-color);
    background: var(--dark-hover);
}

.navbar .nav-menu a.active {
    color: var(--primary-color);
    background: var(--dark-secondary);
}

.navbar .nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.navbar .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--light-color);
}

.navbar .user-info span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.navbar .user-info a {
    color: var(--text-muted);
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.navbar .user-info a:hover {
    color: var(--light-color);
    background: var(--dark-hover);
}

.navbar .user-info .avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--dark-secondary);
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.navbar .user-info .avatar:hover {
    background: var(--primary-color);
    color: var(--dark-color);
}

/* 移动端汉堡菜单按钮 */
.navbar .menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #c9a962;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.navbar .menu-toggle:hover {
    background: var(--dark-hover);
}

/* 移动端抽屉遮罩 */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .navbar {
        padding: 0 15px;
    }
    
    .navbar .logo {
        font-size: 18px;
    }
    
    .navbar .logo i {
        font-size: 22px;
    }
    
    .navbar .menu-toggle {
        display: block;
    }
    
    .navbar .nav-menu {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: var(--dark-color);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 20px 20px;
        gap: 5px;
        transition: right 0.3s ease;
        z-index: 1001;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    .navbar .nav-menu.active {
        right: 0;
    }
    
    .navbar .nav-menu a {
        padding: 14px 16px;
        font-size: 15px;
        border-radius: 8px;
    }
    
    .navbar .nav-menu a.active::after {
        display: none;
    }
    
    .navbar .nav-menu .menu-close {
        display: block;
        position: absolute;
        top: 15px;
        right: 15px;
        background: none;
        border: none;
        color: var(--text-muted);
        font-size: 24px;
        cursor: pointer;
        padding: 8px;
        border-radius: 6px;
    }
    
    .navbar .nav-menu .menu-close:hover {
        color: var(--light-color);
        background: var(--dark-hover);
    }
    
    .navbar .user-info {
        gap: 10px;
    }
    
    .navbar .user-info span {
        display: none;
    }
    
    .navbar .user-info .avatar {
        width: 34px;
        height: 34px;
        font-size: 12px;
    }
    
    .nav-overlay {
        display: block;
        pointer-events: none;
    }
    
    .nav-overlay.active {
        pointer-events: auto;
    }
}

/* 主容器 */
.main-container {
    margin-top: 64px;
    padding: 25px;
    min-height: calc(100vh - 64px);
}

/* 图片优化 */
.image-item .thumb {
    content-visibility: auto;
    contain-intrinsic-size: 150px 150px;
}

/* 分类标签栏 */
.category-tabs {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.category-tabs-scroll {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.category-tab {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-tab.active {
    background: var(--primary-color);
    color: #1a1a1a;
    font-weight: 500;
    border-color: var(--primary-color);
}

.category-tab .count {
    font-size: 12px;
    color: inherit;
    opacity: 0.7;
}

.category-tab.active .count {
    opacity: 0.8;
}

.category-tab .edit-btn,
.category-tab .delete-btn {
    display: none;
    background: none;
    border: none;
    padding: 0 2px;
    margin-left: 4px;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    font-size: 11px;
}

.category-tab:hover .edit-btn,
.category-tab:hover .delete-btn {
    display: inline-block;
}

.category-tab:hover .count {
    display: none;
}

.category-tab .edit-btn:hover,
.category-tab .delete-btn:hover {
    opacity: 1;
}

.category-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px dashed var(--border-color);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    font-size: 13px;
}

.category-add-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 卡片 - 珍珠白风格 */
.card {
    background: var(--light-color);
    border-radius: 12px;
    box-shadow: 0 2px 15px var(--shadow-color);
    margin-bottom: 0;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 20px var(--shadow-dark);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.5);
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    font-size: 16px;
    color: var(--primary-color);
}

.card-body {
    padding: 20px;
}

/* 统计卡片 */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.stat-card .icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.stat-card .icon.primary { background: var(--primary-color); }
.stat-card .icon.warning { background: var(--warning-color); }
.stat-card .icon.info { background: #1e9fff; }
.stat-card .icon.success { background: #16b777; }

.stat-card .info h4 {
    font-size: 24px;
    font-weight: bold;
    color: var(--dark-color);
}

.stat-card .info p {
    font-size: 14px;
    color: #999;
    margin-top: 5px;
}

/* 上传区域 - 雾面黑风格 */
.upload-area {
    border: 2px dashed var(--dark-tertiary);
    border-radius: 12px;
    padding: 50px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
    background: var(--dark-secondary);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.1), transparent);
    transition: left 0.5s ease;
}

.upload-area:hover::before {
    left: 100%;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--dark-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: var(--dark-hover);
    border-style: solid;
}

.upload-area i {
    font-size: 52px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.upload-area h4 {
    font-size: 18px;
    color: var(--light-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.upload-area p {
    color: var(--text-muted);
    font-size: 14px;
}

/* 图片网格 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.image-item {
    background: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px var(--shadow-color);
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.image-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px var(--shadow-dark);
    border-color: var(--primary-color);
}

.image-item .thumb {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.image-item .info {
    padding: 10px;
}

.image-item .info .name {
    font-size: 13px;
    color: var(--dark-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-item .info .meta {
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

.image-item .actions {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: all 0.3s;
}

.image-item:hover .actions {
    opacity: 1;
}

.image-item .actions button {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: var(--dark-color);
    cursor: pointer;
    transition: all 0.3s;
}

.image-item .actions button:hover {
    background: var(--primary-color);
    color: #fff;
}

.image-item .checkbox {
    position: absolute;
    bottom: 8px;
    right: 8px;
    z-index: 10;
    width: 16px;
    height: 16px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background: rgba(26, 26, 26, 0.7);
    border: 1.5px solid rgba(201, 169, 98, 0.6);
    border-radius: 3px;
    outline: none;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.image-item .checkbox:hover {
    background: rgba(26, 26, 26, 0.8);
    border-color: #c9a962;
    transform: scale(1.05);
}

.image-item .checkbox:checked {
    background: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%);
    border-color: #c9a962;
}

.image-item .checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #1a1a1a;
    font-size: 11px;
    font-weight: bold;
}

/* 待审核图片标记 */
.image-item.pending {
    opacity: 0.8;
}

.image-item.pending .thumb {
    filter: grayscale(30%);
}

.audit-pending {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--warning-color);
    color: var(--dark-color);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 500;
    z-index: 5;
}

/* 登录/注册页面 - 雾面黑风格 */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-color);
    position: relative;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(201, 169, 98, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 98, 0.08) 0%, transparent 50%);
}

.auth-box {
    background: var(--dark-secondary);
    border-radius: 16px;
    padding: 45px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
    border: 1px solid var(--dark-tertiary);
}

.auth-box .logo {
    text-align: center;
    margin-bottom: 35px;
}

.auth-box .logo i {
    font-size: 52px;
    color: var(--primary-color);
}

.auth-box .logo h2 {
    font-size: 26px;
    color: var(--light-color);
    margin-top: 12px;
    font-weight: 700;
}

.auth-box .form-group {
    margin-bottom: 22px;
}

.auth-box .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
}

.auth-box .form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--dark-tertiary);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    background: var(--dark-color);
    color: var(--light-color);
}

.auth-box .form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
}

.auth-box .form-group input::placeholder {
    color: var(--text-muted);
}

.auth-box .btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--primary-gradient);
    color: var(--dark-color);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.auth-box .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 169, 98, 0.3);
}

.auth-box .links {
    text-align: center;
    margin-top: 25px;
    color: var(--text-muted);
}

.auth-box .links a {
    color: var(--primary-color);
    font-weight: 500;
}

/* 侧边栏 - 雾面黑风格 */
.sidebar {
    width: 240px;
    background: var(--dark-secondary);
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 999;
    border-right: 1px solid var(--dark-tertiary);
}

.sidebar .menu {
    padding: 20px 0;
}

.sidebar .menu-item {
    display: block;
    padding: 12px 24px;
    color: var(--text-muted);
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-size: 14px;
}

.sidebar .menu-item:hover {
    background: var(--dark-hover);
    color: var(--light-color);
}

.sidebar .menu-item.active {
    background: var(--dark-tertiary);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.sidebar .menu-item i {
    margin-right: 12px;
    width: 18px;
    text-align: center;
}

.sidebar .menu-title {
    padding: 20px 24px 10px;
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* 带侧边栏的主内容 */
.with-sidebar {
    margin-left: 240px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 64px;
    color: #ddd;
    margin-bottom: 20px;
}

.empty-state h4 {
    font-size: 18px;
    color: #666;
    margin-bottom: 10px;
}

/* 进度条 */
.progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar .progress {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
}

/* 链接复制框 */
.link-box {
    background: #f5f5f5;
    border-radius: 6px;
    padding: 15px;
    margin-top: 15px;
}

.link-box .link-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.link-box .link-item:last-child {
    margin-bottom: 0;
}

.link-box .link-item label {
    width: 80px;
    color: #666;
    font-size: 13px;
}

.link-box .link-item input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    background: #fff;
}

.link-box .link-item button {
    margin-left: 10px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%);
    color: #1a1a1a;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(201, 169, 98, 0.3);
    white-space: nowrap;
}

.link-box .link-item button:hover {
    background: linear-gradient(135deg, #d4b56d 0%, #b89a5a 100%);
    box-shadow: 0 4px 12px rgba(201, 169, 98, 0.4);
    transform: translateY(-1px);
}

.link-box .link-item button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(201, 169, 98, 0.3);
}

/* 移动端详情弹窗自适应 */
@media (max-width: 768px) {
    .link-box .link-item {
        flex-wrap: wrap;
    }
    
    .link-box .link-item label {
        width: 100%;
        margin-bottom: 5px;
    }
    
    .link-box .link-item input {
        width: 100%;
        flex: none;
    }
    
    .link-box .link-item button {
        margin-left: 0;
        margin-top: 8px;
        width: 100%;
    }
}

/* 响应式布局类 */
.two-column-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
}

.two-column-layout.narrow-left {
    grid-template-columns: 280px 1fr;
}

.left-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.right-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* 响应式 - 平板 */
@media (max-width: 1024px) {
    .two-column-layout {
        grid-template-columns: 280px 1fr;
    }
    
    .two-column-layout.narrow-left {
        grid-template-columns: 250px 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式 - 手机 */
@media (max-width: 768px) {
    /* 导航栏 */
    .navbar {
        padding: 0 15px;
        height: 56px;
    }
    
    .navbar .logo {
        font-size: 18px;
    }
    
    .navbar .logo span {
        display: none;
    }
    
    .navbar .nav-menu {
        gap: 4px;
    }
    
    .navbar .nav-menu a {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .navbar .user-info span {
        display: none;
    }
    
    /* 主容器 */
    .main-container {
        margin-top: 56px;
        padding: 15px;
    }
    
    /* 双栏布局改为单栏 */
    .two-column-layout,
    .two-column-layout.narrow-left {
        grid-template-columns: 1fr !important;
    }
    
    .main-container > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    
    /* 统计网格 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 表单行 */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* 信息行 */
    .info-row {
        grid-template-columns: 1fr;
    }
    
    /* 侧边栏 */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
        top: 56px;
        width: 100%;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .with-sidebar {
        margin-left: 0;
    }
    
    /* 统计卡片 */
    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 图片网格 */
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .image-item .thumb {
        height: 120px;
    }
    
    /* 上传区域 */
    .upload-area {
        padding: 40px 15px;
    }
    
    .upload-area i {
        font-size: 40px;
    }
    
    .upload-area h4 {
        font-size: 16px;
    }
    
    /* 卡片 */
    .card-header {
        padding: 10px 12px;
        flex-wrap: wrap;
        gap: 6px;
        align-items: center;
    }
    
    .card-header h3 {
        flex: 0 0 auto;
        margin: 0;
        font-size: 14px;
    }
    
    .card-header > div {
        display: flex;
        gap: 5px;
        flex-wrap: wrap;
        flex: 1;
    }
    
    .card-header .layui-btn-sm {
        padding: 0 10px;
        height: 28px;
        line-height: 28px;
        font-size: 12px;
        flex: 0 0 auto;
    }
    
    .card-header .layui-btn-sm i {
        margin-right: 4px;
    }
    
    .card-body {
        padding: 15px;
    }
    
    /* 个人中心账户概览 */
    div[style*="grid-template-columns: repeat(4"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    /* 修改密码三列改单列 */
    div[style*="grid-template-columns: 1fr 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    
    /* 账户信息和修改邮箱并排改单列 */
    div[style*="grid-template-columns: 1fr 1fr;gap:15px"] {
        grid-template-columns: 1fr !important;
    }
    
    /* 左栏卡片间距 */
    .left-column .card {
        margin-top: 0;
    }
    
    /* 确保移动端左栏在前 */
    .left-column {
        order: -1;
    }
}

/* 响应式 - 小手机 */
@media (max-width: 480px) {
    .navbar .nav-menu a {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    /* 小手机按钮优化 - 保持紧凑但显示所有按钮 */
    .card-header {
        padding: 8px 10px;
        gap: 4px;
    }
    
    .card-header h3 {
        font-size: 13px;
        margin: 0;
    }
    
    .card-header > div {
        gap: 4px;
    }
    
    .card-header .layui-btn-sm {
        padding: 0 8px;
        height: 26px;
        line-height: 26px;
        font-size: 11px;
        flex: 0 0 auto;
    }
    
    .card-header .layui-btn-sm i {
        margin-right: 3px;
    }
    
    .image-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    .image-item .thumb {
        height: 100px;
    }
    
    .image-item .info {
        padding: 8px;
    }
    
    .image-item .info .name {
        font-size: 12px;
    }
    
    .image-item .info .meta {
        font-size: 11px;
    }
    
    /* 统计卡片 */
    div[style*="grid-template-columns: repeat(4"] {
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
    }
    
    div[style*="grid-template-columns: repeat(4"] > div {
        padding: 15px !important;
    }
    
    div[style*="grid-template-columns: repeat(4"] > div > div:first-child {
        font-size: 20px !important;
    }
}

/* Layui 样式覆盖 - 古铜金主题 */
.layui-btn {
    background: var(--primary-gradient) !important;
    border: none !important;
    border-radius: 6px !important;
    font-weight: 500 !important;
    color: var(--dark-color) !important;
    transition: all 0.3s ease !important;
}

.layui-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.3);
}

.layui-btn-primary {
    background: transparent !important;
    border: 1px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.layui-btn-primary:hover {
    background: var(--primary-color) !important;
    color: var(--dark-color) !important;
}

.layui-btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #a84444 100%) !important;
    color: var(--light-color) !important;
}

.layui-btn-warm {
    background: linear-gradient(135deg, var(--warning-color) 0%, #b8923f 100%) !important;
    color: var(--dark-color) !important;
}

.layui-form-checked[lay-skin=primary] i {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.layui-laypage .layui-laypage-curr .layui-laypage-em {
    background-color: var(--primary-color) !important;
}

.layui-input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15) !important;
}

/* Layui 表单样式修复 */
.layui-form-label {
    float: left;
    display: block;
    padding: 9px 15px;
    width: 100px;
    font-weight: 400;
    line-height: 20px;
    text-align: right;
    color: var(--text-secondary);
}

.layui-input-block {
    margin-left: 110px;
    min-height: 38px;
}

.layui-form-item {
    margin-bottom: 15px;
    clear: both;
}

.layui-form-item::after {
    content: "";
    display: block;
    clear: both;
}

.layui-input, .layui-select, .layui-textarea {
    height: 38px;
    line-height: 38px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 0 10px;
}

.layui-textarea {
    height: auto;
    line-height: 1.5;
    padding: 10px;
}

.layui-form-select .layui-input {
    padding-right: 30px;
    cursor: pointer;
}

/* 下拉框容器 */
.layui-form-select {
    position: relative;
}

.layui-form-select .layui-edge {
    border-top-color: var(--text-muted);
}

/* 下拉框列表 - 修复透明背景问题 */
.layui-form-select dl {
    position: absolute;
    left: 0;
    top: 42px;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4) !important;
    z-index: 9999;
}

.layui-form-select dl dt {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-muted);
    background-color: var(--bg-dark);
}

.layui-form-select dl dd {
    padding: 10px 12px;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    cursor: pointer;
    transition: all 0.15s ease;
}

.layui-form-select dl dd:hover {
    background-color: rgba(201, 169, 98, 0.1) !important;
    color: var(--accent-color);
}

.layui-form-select dl dd.layui-this {
    background-color: rgba(201, 169, 98, 0.15) !important;
    color: var(--accent-color);
    font-weight: 500;
}

.layui-form-select dl dd.layui-disabled {
    color: var(--text-muted) !important;
    background-color: var(--card-bg) !important;
    cursor: not-allowed;
}

/* 下拉框展开状态 */
.layui-form-select.layui-form-selected .layui-edge {
    border-top-color: var(--accent-color);
}

/* 下拉框滚动条 */
.layui-form-select dl::-webkit-scrollbar {
    width: 6px;
}

.layui-form-select dl::-webkit-scrollbar-track {
    background: transparent;
}

.layui-form-select dl::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.layui-form-select dl::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.layui-form-mid {
    margin-left: 110px;
    padding: 5px 0 0;
}

.layui-word-aux {
    color: var(--text-muted);
    font-size: 12px;
}

.layui-badge {
    border-radius: 4px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    padding: 4px 10px !important;
    font-size: 12px !important;
}

.layui-badge-rim {
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

/* 会员组标签样式 */
.layui-bg-orange {
    background-color: var(--primary-color) !important;
    color: var(--dark-color) !important;
}

.layui-bg-cyan {
    background-color: var(--info-color) !important;
}

/* 加载动画 */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

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

/* 骨架屏加载效果 */
.skeleton {
    background: linear-gradient(90deg, var(--light-secondary) 25%, var(--light-color) 50%, var(--light-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* 脉冲动画 */
.pulse {
    animation: pulse 1.5s infinite;
}

/* 旋转加载图标 */
.loading-spin {
    animation: spin 1s linear infinite;
}

/* 卡片进入动画 */
.card {
    animation: fadeIn 0.3s ease-out;
}

/* 图片项进入动画 */
.image-item {
    animation: fadeIn 0.4s ease-out;
    animation-fill-mode: both;
}

.image-item:nth-child(1) { animation-delay: 0.05s; }
.image-item:nth-child(2) { animation-delay: 0.1s; }
.image-item:nth-child(3) { animation-delay: 0.15s; }
.image-item:nth-child(4) { animation-delay: 0.2s; }
.image-item:nth-child(5) { animation-delay: 0.25s; }
.image-item:nth-child(6) { animation-delay: 0.3s; }
.image-item:nth-child(7) { animation-delay: 0.35s; }
.image-item:nth-child(8) { animation-delay: 0.4s; }

/* 进度条动画 */
.progress-bar .progress {
    transition: width 0.5s ease-out;
}

/* 按钮点击波纹效果 */
.layui-btn {
    position: relative;
    overflow: hidden;
}

.layui-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.layui-btn:active::after {
    width: 200px;
    height: 200px;
}

/* ==================== 配置页面布局 ==================== */

/* 配置子标签页 - 雾面黑风格 */
.config-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    padding: 6px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.config-tab {
    flex: 1;
    padding: 10px 16px;
    text-align: center;
    cursor: pointer;
    border-radius: 6px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 13px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
}

.config-tab:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.config-tab.active {
    color: var(--accent-color);
    border: 1px solid var(--border-color);
}

.config-tab i {
    font-size: 14px;
}

/* 配置面板 */
.config-panel {
    display: none;
}

.config-panel.active {
    display: block;
    animation: fadeIn 0.25s ease-out;
}

/* 配置分组 - 与整体卡片风格一致 */
.config-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.config-section:last-child {
    margin-bottom: 0;
}

.config-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-color);
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.config-section-title i {
    font-size: 12px;
    opacity: 0.8;
}

/* 配置双列布局 */
.config-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.config-col {
    display: flex;
    flex-direction: column;
}

/* 配置操作按钮区 */
.config-actions {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.config-actions .layui-btn-lg {
    padding: 0 40px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
}

/* 卡片头部操作按钮组 */
.card-header-actions {
    display: flex;
    gap: 8px;
}

/* 存储驱动选择器 - 雾面黑卡片风格 */
.storage-driver-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.storage-driver-item {

    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.storage-driver-item:hover {
    border-color: rgba(201, 169, 98, 0.4);
    background: rgba(201, 169, 98, 0.03);
}

.storage-driver-item.active {
    border-color: var(--accent-color);
    background: rgba(201, 169, 98, 0.08);
}

.storage-driver-item i {
    font-size: 24px;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: block;
    transition: color 0.2s ease;
}

.storage-driver-item:hover i {
    color: var(--text-secondary);
}

.storage-driver-item.active i {
    color: var(--accent-color);
}

.storage-driver-item span {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    display: block;
}

.storage-driver-item:hover span {
    color: var(--text-secondary);
}

.storage-driver-item.active span {
    color: var(--text-primary);
}

/* 存储配置面板 */
.storage-config-panel {
    display: none;
    animation: fadeIn 0.25s ease-out;
}

.storage-config-panel.active {
    display: block;
}

/* 存储信息提示框 - 雾面黑风格 */
.storage-info-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;

    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.storage-info-box > i {
    font-size: 20px;
    color: var(--accent-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.storage-info-box h5 {
    margin: 0 0 6px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.storage-info-box p {
    margin: 0;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* 表单项在配置区域的样式微调 */
.config-section .layui-form-item {
    margin-bottom: 12px;
}

.config-section .layui-form-item:last-child {
    margin-bottom: 0;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .config-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .storage-driver-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .config-tabs {
        flex-wrap: wrap;
    }
    
    .config-tab {
        flex: 1 1 calc(50% - 4px);
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .storage-driver-selector {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    .storage-driver-item {
        padding: 12px 8px;
    }
    
    .storage-driver-item i {
        font-size: 20px;
    }
    
    .card-header-actions {
        flex-wrap: wrap;
    }
    
    .config-section {
        padding: 12px;
    }
}

/* ==================== 控制台可视化大屏 ==================== */

/* 顶部欢迎区 */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 20px 24px;

    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.welcome-info h2 {
    margin: 0 0 6px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.welcome-info p {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
}

.quick-actions {
    display: flex;
    gap: 10px;
}

.quick-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;

    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(201, 169, 98, 0.05);
}

.quick-btn i {
    font-size: 14px;
}

/* 核心数据卡片 */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card-large {

    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stat-card-large:hover {
    border-color: rgba(201, 169, 98, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.stat-card-large.warning {
    border-color: rgba(217, 164, 74, 0.3);

}

.stat-card-large .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(201, 169, 98, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.stat-card-large .stat-icon i {
    font-size: 20px;
    color: var(--accent-color);
}

.stat-card-large.warning .stat-icon {
    background: rgba(217, 164, 74, 0.15);
}

.stat-card-large.warning .stat-icon i {
    color: #d9a44a;
}

.stat-card-large .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-card-large .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.stat-card-large .stat-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

.stat-card-large .stat-trend.up {
    color: #4ade80;
}

.stat-card-large .stat-trend.down {
    color: #f87171;
}

.stat-card-large .stat-trend i {
    font-size: 10px;
}

.stat-card-large .stat-sub {
    margin-top: 8px;
}

.storage-bar {
    display: block;
    height: 6px;

    border-radius: 3px;
    overflow: hidden;
}

.storage-used {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-dark));
    border-radius: 3px;
    transition: width 0.5s ease;
}

.stat-card-large .stat-action a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--accent-color);
    text-decoration: none;
    transition: gap 0.2s ease;
}

.stat-card-large .stat-action a:hover {
    gap: 8px;
}

.stat-card-large .stat-chart {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 80px;
    height: 40px;
    opacity: 0.3;
}

/* 数据可视化区域 */
.dashboard-charts {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.chart-card {

    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.chart-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.chart-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-header h3 i {
    color: var(--accent-color);
    font-size: 14px;
}

.chart-body {
    padding: 20px;
}

/* 趋势图 */
.trend-chart {
    height: 160px;
    display: flex;
    flex-direction: column;
}

.chart-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    padding-bottom: 10px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--accent-color) 0%, rgba(201, 169, 98, 0.3) 100%);
    border-radius: 4px 4px 0 0;
    min-height: 8px;
    transition: height 0.5s ease;
    position: relative;
}

.chart-bar:hover {
    background: linear-gradient(180deg, var(--accent-color) 0%, rgba(201, 169, 98, 0.5) 100%);
}

.chart-bar::after {
    content: attr(data-value);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.chart-bar:hover::after {
    opacity: 1;
}

.chart-labels {
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

.chart-label {
    flex: 1;
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
}

/* 系统状态 */
.system-status {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;

    border-radius: 8px;
}

.status-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-icon i {
    font-size: 10px;
    color: var(--text-muted);
}

.status-icon.online i {
    color: #4ade80;
}

.status-icon.offline i {
    color: #f87171;
}

.status-icon.warning i {
    color: #fbbf24;
}

.status-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-name {
    font-size: 13px;
    color: var(--text-secondary);
}

.status-value {
    font-size: 12px;
    color: var(--text-muted);
}

/* 底部信息区 */
.dashboard-footer {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 16px;
}

.activity-card,
.info-card {

    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.activity-card .card-header,
.info-card .card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.activity-card .card-header h3,
.info-card .card-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.activity-card .card-header h3 i,
.info-card .card-header h3 i {
    color: var(--accent-color);
    font-size: 14px;
}

.activity-card .card-body,
.info-card .card-body {
    padding: 16px 20px;
}

/* 活动列表 */
.activity-list {
    max-height: 200px;
    overflow-y: auto;
}

.activity-empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding: 30px 0;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(201, 169, 98, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon i {
    font-size: 12px;
    color: var(--accent-color);
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-text {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-time {
    font-size: 11px;
    color: var(--text-muted);
}

/* 信息列表 */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;

    border-radius: 6px;
}

.info-label {
    font-size: 13px;
    color: var(--text-muted);
}

.info-value {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 响应式适配 */
@media (max-width: 1200px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-charts {
        grid-template-columns: 1fr;
    }
    
    .dashboard-footer {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .quick-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card-large .stat-value {
        font-size: 24px;
    }
}

/* ========== 后台管理移动端自适应 ========== */

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #c9a962;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    margin-right: 10px;
}

/* 表格响应式容器 */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive::-webkit-scrollbar {
    height: 6px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

@media (max-width: 992px) {
    /* 显示移动端菜单按钮 */
    .mobile-menu-btn {
        display: block;
    }
    
    /* 后台导航栏优化 */
    .navbar .logo span {
        font-size: 14px;
    }
    
    .navbar .nav-menu a span {
        display: none;
    }
    
    /* 侧边栏默认隐藏 */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    /* 侧边栏遮罩 */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .sidebar-overlay.show {
        display: block;
    }
    
    /* 主内容区域全宽 */
    .main-container.with-sidebar {
        margin-left: 0;
    }
    
    /* 用户管理表格优化 */
    .layui-table {
        font-size: 12px;
    }
    
    .layui-table th,
    .layui-table td {
        padding: 8px 5px;
    }
    
    /* 隐藏部分表格列 */
    .hide-on-mobile {
        display: none !important;
    }
    
    /* 会员组网格自适应 */
    .group-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    /* 后台导航栏 */
    .navbar {
        padding: 0 10px;
    }
    
    .navbar .logo {
        font-size: 16px;
    }
    
    .navbar .logo i {
        font-size: 20px;
    }
    
    .navbar .user-info {
        font-size: 12px;
    }
    
    .navbar .user-info span {
        max-width: 60px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    /* 用户管理卡片头部 */
    .card-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .card-header h3 {
        font-size: 16px;
    }
    
    .card-header .layui-btn {
        padding: 0 10px;
        height: 30px;
        line-height: 30px;
        font-size: 12px;
    }
    
    /* 搜索表单 */
    .search-form {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-form .layui-input {
        width: 100% !important;
    }
    
    .search-form .layui-btn {
        width: 100%;
    }
    
    /* 用户管理表格 - 卡片式布局 */
    .user-table-wrapper {
        overflow-x: auto;
    }
    
    .layui-table {
        min-width: 600px;
    }
    
    /* 操作按钮组 */
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .btn-group .layui-btn {
        padding: 0 8px;
        height: 26px;
        line-height: 26px;
        font-size: 11px;
    }
    
    /* 分页优化 */
    .layui-laypage {
        text-align: center;
    }
    
    .layui-laypage a,
    .layui-laypage span {
        padding: 0 8px;
        font-size: 12px;
    }
    
    /* 弹窗优化 */
    .layui-layer {
        max-width: 95vw !important;
    }
    
    .layui-layer-content {
        padding: 15px !important;
    }
    
    /* 表单项优化 */
    .layui-form-item {
        margin-bottom: 10px;
    }
    
    .layui-form-label {
        width: 80px;
        font-size: 13px;
    }
    
    .layui-input-block {
        margin-left: 90px;
    }
    
    /* 会员组编辑弹窗 */
    .layui-layer[type="1"] {
        width: 95vw !important;
        left: 2.5vw !important;
    }
    
    /* 双栏布局改单栏 */
    .layui-row .layui-col-md6 {
        width: 100%;
    }
}

@media (max-width: 480px) {
    /* 极小屏幕 */
    .navbar .logo span {
        display: none;
    }
    
    /* 统计卡片单列 */
    .stat-cards {
        grid-template-columns: 1fr;
    }
    
    /* 图片网格单列 */
    .image-grid {
        grid-template-columns: 1fr;
    }
    
    /* 快捷操作按钮 */
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-btn {
        width: 100%;
    }
}

/* ========== Layui弹窗美化 ========== */
/* 弹窗主体 */
.layui-layer {
    border-radius: 12px !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4) !important;
    border: 1px solid rgba(201, 169, 98, 0.2) !important;
    overflow: hidden;
}

/* 弹窗标题栏 */
.layui-layer-title {
    background: linear-gradient(135deg, #1a1a1a 0%, #252525 100%) !important;
    color: #c9a962 !important;
    border-bottom: 1px solid rgba(201, 169, 98, 0.3) !important;
    font-weight: 600 !important;
    padding: 12px 15px !important;
    height: auto !important;
    line-height: 1.5 !important;
}

/* 弹窗内容区 */
.layui-layer-content {
    background: #fff !important;
    color: #333 !important;
}

/* 弹窗按钮区 */
.layui-layer-btn {
    background: #f8f8f8 !important;
    border-top: 1px solid #eee !important;
    padding: 10px 15px !important;
    text-align: center !important;
}

/* 弹窗按钮 */
.layui-layer-btn a {
    border-radius: 6px !important;
    font-weight: 500 !important;
    font-size: 13px !important;
    transition: all 0.3s ease !important;
    margin: 0 5px !important;
}

/* 确认按钮 */
.layui-layer-btn0 {
    background: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%) !important;
    color: #1a1a1a !important;
    border: none !important;
}

.layui-layer-btn0:hover {
    background: linear-gradient(135deg, #d4b56d 0%, #b89a5a 100%) !important;
    box-shadow: 0 4px 12px rgba(201, 169, 98, 0.4) !important;
}

/* 取消按钮 */
.layui-layer-btn1 {
    background: #f0f0f0 !important;
    color: #666 !important;
    border: 1px solid #ddd !important;
}

.layui-layer-btn1:hover {
    background: #e8e8e8 !important;
    color: #333 !important;
}

/* 关闭按钮 */
.layui-layer-close {
    color: #999 !important;
    transition: all 0.3s ease !important;
}

.layui-layer-close:hover {
    color: #c9a962 !important;
}

/* 提示框图标 */
.layui-layer-ico {
    top: 50% !important;
    transform: translateY(-50%) !important;
    margin-right: 10px !important;
}

/* 消息提示框（layer.msg） - 宽度自适应内容 */
.layui-layer-msg,
.layui-layer-msg[style],
div.layui-layer-msg {
    background: linear-gradient(135deg, #1a1a1a 0%, #252525 100%) !important;
    color: #f5f5f0 !important;
    border: 1px solid rgba(201, 169, 98, 0.3) !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3) !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: 90vw !important;
    padding: 0 !important;
}

.layui-layer-msg .layui-layer-content,
.layui-layer-msg .layui-layer-content.layui-layer-padding {
    background: transparent !important;
    color: #f5f5f0 !important;
    padding: 14px 24px !important;
    min-height: auto !important;
    font-size: 14px !important;
    line-height: 24px !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    width: auto !important;
}

/* 消息框图标位置修复 */
.layui-layer-msg .layui-layer-face {
    position: static !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    font-size: 28px !important;
    line-height: 1 !important;
}

/* 消息框图标 - 位置和颜色修复 */
.layui-layer-msg .layui-layer-ico,
.layui-layer-msg i.layui-layer-ico {
    position: absolute !important;
    left: 12px !important;
    top: 50% !important;
    margin-top: -12px !important;
    transform: none !important;
    width: 24px !important;
    height: 24px !important;
    background-size: contain !important;
}

/* layui图标字体颜色 - 成功图标改金色 */
.layui-layer .layui-layer-face.layui-icon-success,
.layui-layer-dialog .layui-layer-face.layui-icon-success,
.layui-layer-msg .layui-layer-face.layui-icon-success,
.layui-layer .layui-icon-success {
    color: #c9a962 !important;
}

/* 所有弹窗图标统一金色 */
.layui-layer .layui-layer-face,
.layui-layer-dialog .layui-layer-face {
    color: #c9a962 !important;
}

/* 失败图标保持红色 */
.layui-layer .layui-layer-face.layui-icon-close-fill,
.layui-layer .layui-icon-close-fill {
    color: #ff5722 !important;
}

/* 加载层 */
.layui-layer-loading {
    background: rgba(26, 26, 26, 0.9) !important;
    border: 1px solid rgba(201, 169, 98, 0.3) !important;
}

.layui-layer-loading .layui-layer-content {
    background: transparent !important;
}

/* 确认框 */
.layui-layer-dialog {
    min-width: 280px !important;
    max-width: 90vw !important;
}

.layui-layer-dialog .layui-layer-content {
    padding: 20px 25px 20px 65px !important;
    text-align: left !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
    display: flex !important;
    align-items: center !important;
    min-height: 45px !important;
    position: relative !important;
}

.layui-layer-dialog .layui-layer-ico {
    position: absolute !important;
    left: 20px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    margin: 0 !important;
    width: 30px !important;
    height: 30px !important;
}

/* 确认框图标和文字对齐 */
.layui-layer-dialog[type="dialog"] .layui-layer-content {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
}

/* 输入框弹窗 */
.layui-layer-prompt .layui-layer-input {
    border: 1px solid #ddd !important;
    border-radius: 6px !important;
    padding: 10px 12px !important;
    transition: border-color 0.3s ease !important;
}

.layui-layer-prompt .layui-layer-input:focus {
    border-color: #c9a962 !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1) !important;
}

/* 页面层弹窗 - 移动端滚动支持 */
.layui-layer-page .layui-layer-content {
    overflow: auto !important;
    -webkit-overflow-scrolling: touch !important;
    max-height: 80vh !important;
}

/* 移动端弹窗滚动优化 */
@media (max-width: 768px) {
    .layui-layer-page {
        max-height: 90vh !important;
    }
    
    .layui-layer-page .layui-layer-content {
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        max-height: calc(90vh - 50px) !important;
        overscroll-behavior: contain !important;
    }
    
    /* 图片详情弹窗内容滚动 */
    .layui-layer-page .layui-layer-content > div {
        overflow-y: auto !important;
        max-height: 100% !important;
    }
}

/* 图片层 */
.layui-layer-photos {
    background: rgba(26, 26, 26, 0.95) !important;
}

.layui-layer-photos .layui-layer-phimg img {
    border-radius: 8px !important;
}

.layui-layer-imgsee {
    color: #f5f5f0 !important;
}

/* 右下角提示 */
.layui-layer-tips {
    background: linear-gradient(135deg, #1a1a1a 0%, #252525 100%) !important;
    color: #f5f5f0 !important;
    border: 1px solid rgba(201, 169, 98, 0.3) !important;
}

.layui-layer-tips .layui-layer-content {
    background: transparent !important;
    color: #f5f5f0 !important;
}

/* 遮罩层 */
.layui-layer-shade {
    background-color: rgba(0, 0, 0, 0.6) !important;
}

/* ========== 弹窗图标美化 ========== */
/* 所有弹窗图标通用样式 - 使用CSS滤镜调整颜色 */
.layui-layer .layui-layer-ico,
.layui-layer-dialog .layui-layer-ico,
.layui-layer-msg .layui-layer-ico {
    filter: hue-rotate(75deg) saturate(1.2) brightness(1.1) !important;
}

/* 成功图标 (icon:1) - 金色 */
.layui-layer .layui-layer-ico[class*="layui-layer-ico"]:not([class*="ico0"]) {
    filter: hue-rotate(75deg) saturate(1.3) brightness(1.1) !important;
}

/* 失败图标 (icon:2) - 保持红色但柔和 */
.layui-layer-ico.layui-layer-ico2,
.layui-layer .layui-icon-close-fill {
    filter: saturate(0.9) brightness(1.1) !important;
}

/* 加载动画颜色 */
.layui-layer-loading .layui-layer-loading-1,
.layui-layer-loading .layui-layer-loading-2,
.layui-layer-loading-icon {
    filter: hue-rotate(75deg) saturate(1.5) brightness(1.2) !important;
}

/* 关闭按钮图标 */
.layui-layer-close,
.layui-layer-close1,
.layui-layer-close2,
.layui-layer-setwin .layui-icon {
    transition: all 0.3s ease !important;
}

.layui-layer-close:hover,
.layui-layer-close1:hover,
.layui-layer-close2:hover,
.layui-layer-setwin .layui-icon:hover {
    color: #c9a962 !important;
}

/* 最大化/最小化按钮 */
.layui-layer-max,
.layui-layer-min {
    transition: all 0.3s ease !important;
}

.layui-layer-max:hover,
.layui-layer-min:hover {
    color: #c9a962 !important;
}

/* layui图标字体颜色 - 用于弹窗内的图标 */
.layui-layer .layui-icon {
    transition: color 0.3s ease !important;
}

/* 成功状态图标 */
.layui-layer .layui-icon-ok,
.layui-layer .layui-icon-ok-circle {
    color: #c9a962 !important;
}

/* 警告状态图标 */
.layui-layer .layui-icon-exclaimination,
.layui-layer .layui-icon-tips {
    color: #c9a962 !important;
}

/* 询问状态图标 */
.layui-layer .layui-icon-help {
    color: #c9a962 !important;
}

/* ========== 自定义滚动条样式 ========== */
/* Webkit浏览器（Chrome, Safari, Edge） */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%);
    border-radius: 4px;
    transition: background 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #d4b56d 0%, #b89a5a 100%);
}

::-webkit-scrollbar-corner {
    background: #f1f1f1;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #c9a962 #f1f1f1;
}

/* 深色背景区域的滚动条 */
.layui-layer-content::-webkit-scrollbar-track,
.nav-menu::-webkit-scrollbar-track {
    background: #2a2a2a;
}

.layui-layer-content::-webkit-scrollbar-thumb,
.nav-menu::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%);
}

/* 移动端选择框和图片卡片优化 */
@media (max-width: 768px) {
    /* 禁用图片卡片的hover效果，避免点击时布局变化 */
    .image-item:hover,
    .recycle-item:hover {
        transform: none;
        box-shadow: 0 2px 12px var(--shadow-color);
    }
    
    /* 强制固定图片卡片尺寸，防止拉伸 */
    .image-item {
        max-width: 100%;
        overflow: hidden;
    }
    
    /* 修复图片缩略图高度，强制固定150px */
    .image-item .thumb {
        width: 100% !important;
        height: 150px !important;
        object-fit: cover !important;
        display: block !important;
    }
    
    /* 手机端actions层优化 - 默认隐藏，防止误触 */
    .image-item .actions,
    .recycle-item .actions {
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s;
    }
    
    /* 手机端点击时显示actions层 */
    .image-item.active .actions,
    .recycle-item.active .actions {
        opacity: 1;
        pointer-events: auto;
    }
    
    .image-item .checkbox,
    .recycle-item .checkbox {
        width: 18px;
        height: 18px;
        bottom: 6px;
        right: 6px;
    }
    
    .image-item .checkbox:hover,
    .recycle-item .checkbox:hover {
        transform: none;
        border-color: #c9a962;
    }
    
    .image-item .checkbox:active,
    .recycle-item .checkbox:active {
        transform: none;
    }
    
    .image-item .checkbox:checked::after,
    .recycle-item .checkbox:checked::after {
        font-size: 12px;
    }
}

/* 移动端隐藏滚动条但保持滚动功能 */
@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 4px;
        height: 4px;
    }
}

/* ========== 回收站管理样式 ========== */
.recycle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.recycle-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.recycle-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.recycle-item.selected {
    border-color: #c9a962;
}

.recycle-item .checkbox {
    position: absolute;
    bottom: 8px;
    right: 8px;
    z-index: 10;
    width: 16px;
    height: 16px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background: rgba(26, 26, 26, 0.7);
    border: 1.5px solid rgba(201, 169, 98, 0.6);
    border-radius: 3px;
    outline: none;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.recycle-item .checkbox:hover {
    background: rgba(26, 26, 26, 0.8);
    border-color: #c9a962;
    transform: scale(1.05);
}

.recycle-item .checkbox:checked {
    background: linear-gradient(135deg, #c9a962 0%, #a88a4a 100%);
    border-color: #c9a962;
}

.recycle-item .checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #1a1a1a;
    font-size: 11px;
    font-weight: bold;
}

.recycle-item .thumb {
    width: 100%;
    height: 120px;
    object-fit: cover;
    background: #f5f5f5;
    display: block;
}

.recycle-item .info {
    padding: 10px 12px;
}

.recycle-item .name {
    font-size: 13px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}

.recycle-item .meta {
    font-size: 11px;
    color: #999;
    display: flex;
    justify-content: space-between;
    margin-bottom: 3px;
}

.recycle-item .user {
    color: #c9a962;
    font-weight: 500;
}

.recycle-item .actions {
    padding: 8px 12px;
    background: #fafafa;
    display: flex;
    gap: 6px;
    justify-content: center;
}

.recycle-item .actions .layui-btn {
    flex: 1;
    margin: 0;
    padding: 0 8px;
}

.recycle-empty {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    grid-column: 1 / -1;
}

.recycle-empty i {
    font-size: 48px;
    color: #ddd;
    margin-bottom: 15px;
    display: block;
}

.recycle-empty h4 {
    font-size: 16px;
    color: #666;
    margin-bottom: 8px;
}

/* 前端回收站样式 */
#recycleList {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

/* 前端回收站图片项 */
#recycleList .recycle-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

#recycleList .recycle-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: #e74c3c;
}

/* 缩略图容器 */
.recycle-thumb {
    position: relative;
    width: 100%;
    height: 140px;
    overflow: hidden;
    background: #f8f9fa;
}

.recycle-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.recycle-item:hover .recycle-thumb img {
    transform: scale(1.05);
}

/* 悬浮操作层 */
.recycle-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.recycle-item:hover .recycle-overlay {
    opacity: 1;
}

.recycle-overlay button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.recycle-overlay .btn-restore {
    background: #27ae60;
    color: #fff;
}

.recycle-overlay .btn-restore:hover {
    background: #2ecc71;
    transform: scale(1.1);
}

.recycle-overlay .btn-delete {
    background: #e74c3c;
    color: #fff;
}

.recycle-overlay .btn-delete:hover {
    background: #c0392b;
    transform: scale(1.1);
}

/* 前端回收站图片信息 */
.recycle-info {
    padding: 12px 15px;
    border-bottom: 1px solid #f0f0f0;
}

.recycle-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}

.recycle-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: #999;
}

.recycle-meta i {
    margin-right: 4px;
    color: #c9a962;
}

/* 前端回收站操作按钮区 */
.recycle-actions {
    padding: 10px 15px;
    display: flex;
    gap: 8px;
    justify-content: center;
    background: #fafafa;
}

.recycle-actions .layui-btn {
    flex: 1;
    margin: 0;
}

/* 空状态样式 */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 64px;
    color: #ddd;
    margin-bottom: 20px;
    display: block;
}

.empty-state h4 {
    font-size: 18px;
    color: #666;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* 前端回收站响应式 */
@media (max-width: 768px) {
    #recycleList {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
    
    .recycle-thumb {
        height: 100px;
    }
    
    .recycle-info {
        padding: 10px 12px;
    }
    
    .recycle-actions {
        padding: 8px 12px;
        flex-direction: column;
    }
    
    .recycle-overlay {
        opacity: 1;
        background: rgba(0,0,0,0.4);
    }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #c9a962, #a88a4a);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

.back-to-top i {
    color: #fff;
    font-size: 18px;
}

@media (max-width: 768px) {
    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 40px;
        height: 40px;
    }
    
    .back-to-top i {
        font-size: 16px;
    }
}