/* ============================================================
   admin-deepseek.css — 后台 DeepSeek 官网浅色风格
   覆盖 admin.css / bootstrap 默认样式，保持功能不变
   品牌色：#4d6bfe (DeepSeek Blue)
   ============================================================ */

:root {
    --ds-blue: #4d6bfe;
    --ds-blue-deep: #3b56e8;
    --ds-blue-hover: #6b85ff;
    --ds-blue-soft: rgba(77, 107, 254, .10);
    --ds-bg: #f5f7fb;
    --ds-card: #ffffff;
    --ds-text: #1f2329;
    --ds-text-2: #4b5563;
    --ds-muted: #98a2b3;
    --ds-border: #e5e7eb;
    --ds-border-strong: #d1d5db;
    --ds-radius: 10px;
    --ds-shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
    --ds-shadow-lg: 0 8px 24px rgba(16, 24, 40, .10);
    --ds-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ===== 全局基础 ===== */
html,
body {
    background: var(--ds-bg) !important;
    font-family: var(--ds-font) !important;
    font-size: 14px !important;
    color: var(--ds-text) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(77, 107, 254, .30);
    color: #fff;
}

a {
    color: var(--ds-blue);
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #c9ced8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #aab0bc;
}

/* ===== 侧边栏（浅色） ===== */
.sidebar {
    background: #ffffff !important;
    color: var(--ds-text-2) !important;
    border-right: 1px solid var(--ds-border) !important;
    box-shadow: none !important;
}

.sidebar-header {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-bottom: 1px solid var(--ds-border) !important;
    background: #fff !important;
}

.sidebar-header span {
    color: var(--ds-text) !important;
    font-weight: 700 !important;
    font-size: 15px !important;
}

.sidebar-menu {
    padding: 8px 10px !important;
}

/* 一级菜单 */
.sidebar-menu .nav>.nav-item>.nav-link {
    color: var(--ds-text-2) !important;
    font-size: 14px !important;
    border-radius: 8px !important;
    padding: 9px 12px !important;
    margin-bottom: 2px !important;
    transition: all .18s ease !important;
    text-align: left !important;
}

.sidebar-menu .nav>.nav-item>.nav-link i {
    position: static !important;
    transform: none !important;
    margin-right: 10px !important;
    width: 18px !important;
    text-align: center !important;
    color: var(--ds-muted) !important;
}

.sidebar-menu .nav>.nav-item>.nav-link:hover {
    background: var(--ds-blue-soft) !important;
    color: var(--ds-blue) !important;
}

.sidebar-menu .nav>.nav-item>.nav-link:hover i {
    color: var(--ds-blue) !important;
}

/* 一级菜单激活（展开） */
.sidebar-menu .nav>.nav-item>.nav-link[aria-expanded="true"] {
    background: var(--ds-blue-soft) !important;
    color: var(--ds-blue) !important;
    font-weight: 600 !important;
}

.sidebar-menu .nav>.nav-item>.nav-link[aria-expanded="true"] i {
    color: var(--ds-blue) !important;
}

/* 展开箭头 */
.nav-link[data-bs-toggle="collapse"]::after {
    color: var(--ds-muted) !important;
}

/* 二级菜单 */
.sidebar-menu .collapse .nav-link {
    color: var(--ds-text-2) !important;
    font-size: 13.5px !important;
    border-radius: 7px !important;
    margin: 2px 0 !important;
    padding: 7px 12px 7px 34px !important;
    text-align: left !important;
    text-indent: 0 !important;
    transition: all .18s ease !important;
}

.sidebar-menu .collapse .nav-link:hover {
    background: var(--ds-blue-soft) !important;
    color: var(--ds-blue) !important;
}

.sidebar-menu .collapse .nav-link.active {
    background: var(--ds-blue) !important;
    color: #fff !important;
    font-weight: 500 !important;
    box-shadow: 0 2px 8px rgba(77, 107, 254, .35) !important;
}

/* 底部操作区 */
.sidebar-footer {
    background: #fff !important;
    border-top: 1px solid var(--ds-border) !important;
}

.sidebar-footer .btn {
    background: #f5f7fb !important;
    border: 1px solid var(--ds-border) !important;
    color: var(--ds-text-2) !important;
    font-size: 12.5px !important;
    border-radius: 7px !important;
    padding: 7px 0 !important;
    transition: all .18s ease !important;
}

.sidebar-footer .btn:hover {
    background: var(--ds-blue-soft) !important;
    border-color: var(--ds-blue) !important;
    color: var(--ds-blue) !important;
}

/* ===== 主内容区 ===== */
.main-content {
    margin-left: 220px !important;
    padding: 72px 20px 18px !important;
    min-height: 100vh !important;
    background: var(--ds-bg) !important;
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0 !important;
        padding: 12px 10px !important;
    }
}

/* ===== 卡片 ===== */
.card {
    border: 1px solid var(--ds-border) !important;
    border-radius: var(--ds-radius) !important;
    background: var(--ds-card) !important;

}

.card-header {
    background: #fff !important;
    border-bottom: 1px solid var(--ds-border) !important;
    padding: 13px 18px !important;
    font-weight: 600 !important;
    color: var(--ds-text) !important;
    border-radius: var(--ds-radius) var(--ds-radius) 0 0 !important;
}

.card-header h4,
.card-header h5,
.card-header .card-title {
    font-size: 15.5px !important;
    font-weight: 600 !important;
    color: var(--ds-text) !important;
}

.card-body {
    padding: 18px !important;
}

/* ===== 表格 ===== */
.table {
    background: #fff !important;
    --bs-table-hover-bg: #f8f9ff !important;
}

.table th {
    background: #f8fafc !important;
    color: var(--ds-text) !important;
    font-weight: 600 !important;
    font-size: 13px !important;
    border-bottom: 1px solid var(--ds-border) !important;
    padding: 10px 12px !important;
    white-space: nowrap;
}

.table td {
    color: var(--ds-text-2) !important;
    border-bottom: 1px solid #f0f2f5 !important;
    padding: 9px 12px !important;
    font-size: 13.5px !important;
    vertical-align: middle !important;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    --bs-table-striped-bg: #fafbfe !important;
}

.table-hover > tbody > tr:hover {
    --bs-table-hover-bg: #f5f7ff !important;
}

/* ===== 表单 ===== */
.form-control,
.form-select,
.form-input {
    border: 1px solid var(--ds-border) !important;
    border-radius: 8px !important;
    font-size: 13.5px !important;
    color: var(--ds-text) !important;
    padding: 8px 12px !important;
    background-color: #fff !important;
    transition: border-color .15s ease, box-shadow .15s ease !important;
}

.form-control:focus,
.form-select:focus,
.form-input:focus {
    border-color: var(--ds-blue) !important;
    box-shadow: 0 0 0 3px rgba(77, 107, 254, .15) !important;
    outline: none !important;
}

.form-label {
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--ds-text) !important;
}

.input-group-text {
    background: #f8fafc !important;
    border: 1px solid var(--ds-border) !important;
    color: var(--ds-muted) !important;
    font-size: 13.5px !important;
    border-radius: 8px !important;
}

/* ===== 按钮 ===== */
.btn {
    border-radius: 8px !important;
    font-size: 13.5px !important;
    padding: 7px 16px !important;
    transition: all .18s ease !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ds-blue) 0%, var(--ds-blue-deep) 100%) !important;
    border: none !important;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(77, 107, 254, .30) !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--ds-blue-hover) 0%, var(--ds-blue) 100%) !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(77, 107, 254, .40) !important;
}

.btn-secondary {
    background: #f3f4f6 !important;
    border: 1px solid var(--ds-border) !important;
    color: var(--ds-text-2) !important;
}

.btn-secondary:hover {
    background: #e9ecf1 !important;
    color: var(--ds-text) !important;
}

.btn-success {
    background: #10b981 !important;
    border: none !important;
}

.btn-success:hover {
    background: #059669 !important;
}

.btn-danger {
    background: #f43f5e !important;
    border: none !important;
}

.btn-danger:hover {
    background: #e11d48 !important;
}

.btn-warning {
    background: #f59e0b !important;
    border: none !important;
    color: #fff !important;
}

.btn-warning:hover {
    background: #d97706 !important;
    color: #fff !important;
}

.btn-outline-danger {
    border: 1px solid #f43f5e !important;
    color: #f43f5e !important;
}

.btn-outline-danger:hover {
    background: #f43f5e !important;
    color: #fff !important;
}

.btn-sm {
    padding: 5px 10px !important;
    font-size: 12.5px !important;
    border-radius: 6px !important;
}

/* ===== 分页 ===== */
.pagination .page-link {
    color: var(--ds-text-2) !important;
    border: 1px solid var(--ds-border) !important;
    border-radius: 8px !important;
    margin: 0 3px !important;
    min-width: 34px;
    text-align: center;
    font-size: 13px !important;
    transition: all .15s ease !important;
}

.pagination .page-link:hover {
    color: var(--ds-blue) !important;
    border-color: var(--ds-blue) !important;
    background: var(--ds-blue-soft) !important;
}

.pagination .page-item.active .page-link {
    background: var(--ds-blue) !important;
    border-color: var(--ds-blue) !important;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(77, 107, 254, .30) !important;
}

/* ===== 徽章（浅色系） ===== */
.badge.bg-success, .bg-success {
    background: #d1fae5 !important;
    color: #065f46 !important;
}
.badge.bg-warning, .bg-warning {
    background: #fef3c7 !important;
    color: #92400e !important;
}
.badge.bg-danger, .bg-danger {
    background: #fee2e2 !important;
    color: #991b1b !important;
}
.badge.bg-info, .bg-info {
    background: #dbeafe !important;
    color: #1e40af !important;
}
.badge.bg-secondary, .bg-secondary {
    background: #f3f4f6 !important;
    color: #374151 !important;
}
.badge.bg-primary {
    background: var(--ds-blue-soft) !important;
    color: var(--ds-blue) !important;
}

/* ===== 选项卡 ===== */
.nav-tabs {
    border-bottom: 1px solid var(--ds-border) !important;
}

.nav-tabs .nav-link {
    color: var(--ds-text-2) !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    padding: 10px 18px !important;
    font-weight: 500 !important;
    border-radius: 0 !important;
    transition: all .2s ease !important;
}

.nav-tabs .nav-link:hover {
    color: var(--ds-blue) !important;
}

.nav-tabs .nav-link.active {
    color: var(--ds-blue) !important;
    border-bottom: 2px solid var(--ds-blue) !important;
    background: transparent !important;
    font-weight: 600 !important;
}

/* ===== 模态框 ===== */
.modal-content {
    border: none !important;
    border-radius: 14px !important;
    box-shadow: var(--ds-shadow-lg) !important;
}

.modal-header {
    border-bottom: 1px solid var(--ds-border) !important;
    padding: 14px 20px !important;
}

.modal-title {
    font-size: 15.5px !important;
    font-weight: 600 !important;
    color: var(--ds-text) !important;
}

.modal-footer {
    border-top: 1px solid var(--ds-border) !important;
    padding: 12px 20px !important;
}

/* ===== 页脚 ===== */
.foot {
    color: var(--ds-muted) !important;
    font-size: 12.5px !important;
    border-top: 1px solid var(--ds-border) !important;
    margin-top: 10px !important;
    padding: 14px 4px 4px !important;
}

/* ===== 提示条（bootstrap alert 兜底） ===== */
.alert {
    border-radius: 10px !important;
    border: none !important;
}

/* ===== 移动端遮罩层（点侧栏外关闭） ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, .45);
    z-index: 1040;
}

.sidebar-overlay.active {
    display: block;
}

@media (min-width: 992px) {
    .sidebar-overlay {
        display: none !important;
    }
}

/* ===== 移动端后台 (m-admin) 浅色化 ===== */
.m-admin-header {
    background: #fff !important;
    border-bottom: 1px solid var(--ds-border) !important;
    color: var(--ds-text) !important;
}

.m-admin-title {
    color: var(--ds-text) !important;
    font-weight: 700 !important;
}

.m-admin-menu-btn {
    color: var(--ds-text) !important;
}

.m-admin-sidebar {
    background: #fff !important;
    border-right: 1px solid var(--ds-border) !important;
}

.m-admin-sidebar-header {
    background: #fff !important;
    color: var(--ds-text) !important;
    border-bottom: 1px solid var(--ds-border) !important;
}

.m-admin-sidebar-group-title {
    color: var(--ds-muted) !important;
}

.m-admin-sidebar-menu a {
    color: var(--ds-text-2) !important;
}

.m-admin-sidebar-menu a:hover,
.m-admin-sidebar-menu a.active {
    background: var(--ds-blue-soft) !important;
    color: var(--ds-blue) !important;
}

.m-admin-logout-btn {
    background: var(--ds-blue-soft) !important;
    color: var(--ds-blue) !important;
}

/* WAP 侧栏打开状态（保险：确保 .active 一定生效） */
.m-admin-sidebar.active {
    left: 0 !important;
}

.m-admin-content {
    background: var(--ds-bg) !important;
}

/* ===== 通用小工具 ===== */
.text-muted {
    color: var(--ds-muted) !important;
}

.card-text {
    color: var(--ds-blue) !important;
    font-size: 16px !important;
}

.page-title {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: var(--ds-text) !important;
    margin-bottom: 14px !important;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================================
   v2 — 顶部工具栏
   ============================================================ */
.app-topbar {
    position: fixed;
    top: 0;
    left: 220px;
    right: 0;
    height: 52px;
    background: #fff;
    border-bottom: 1px solid var(--ds-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    z-index: 1010;
}

.app-topbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-topbar-title {
    font-weight: 700;
    font-size: 14.5px;
    color: var(--ds-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.app-topbar-title i {
    color: var(--ds-blue);
}

.app-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--ds-border);
    border-radius: 8px;
    width: 34px;
    height: 34px;
    color: var(--ds-text-2);
    cursor: pointer;
    font-size: 15px;
    transition: all .18s ease;
}

.app-menu-btn:hover {
    background: var(--ds-blue-soft);
    color: var(--ds-blue);
}

.app-topbar-right {
    display: flex;
    gap: 6px;
}

.app-topbar-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 8px;
    color: var(--ds-text-2);
    text-decoration: none;
    font-size: 13px;
    transition: all .18s ease;
    background: none;
    border: none;
    cursor: pointer;
}

.app-topbar-link:hover {
    background: var(--ds-blue-soft);
    color: var(--ds-blue);
}

.app-topbar-link i {
    font-size: 13px;
}

/* ============================================================
   v2 — 侧边栏交互优化（更流畅）
   ============================================================ */
.sidebar-menu .collapse {
    transition: height .28s cubic-bezier(.4, 0, .2, 1) !important;
}

.sidebar-menu .collapse.show {
    transition: height .28s cubic-bezier(.4, 0, .2, 1) !important;
}

.nav-link[data-bs-toggle="collapse"]::after {
    transition: transform .25s ease !important;
}

.sidebar-menu .nav>.nav-item>.nav-link {
    position: relative;
}

.sidebar-menu .nav>.nav-item>.nav-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 16px;
    border-radius: 0 3px 3px 0;
    background: var(--ds-blue);
    transition: transform .22s ease;
}

.sidebar-menu .nav>.nav-item>.nav-link[aria-expanded="true"]::before {
    transform: translateY(-50%) scaleY(1);
}

.sidebar-menu .collapse .nav-link {
    position: relative;
    transition: all .2s ease !important;
}

.sidebar-menu .collapse .nav-link.active::before {
    content: "";
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 14px;
    border-radius: 2px;
    background: #fff;
}

/* ============================================================
   v2 — 侧边栏底部快捷操作
   ============================================================ */
.sidebar-footer {
    padding: 12px 14px 16px !important;
}

.sidebar-footer-label {
    font-size: 11px;
    color: var(--ds-muted);
    margin-bottom: 8px;
    letter-spacing: .08em;
    padding-left: 2px;
}

.sidebar-footer-actions {
    display: flex;
    gap: 8px;
}

.sf-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 9px 0;
    border-radius: 9px;
    background: #f5f7fb;
    border: 1px solid var(--ds-border);
    color: var(--ds-text-2);
    text-decoration: none;
    font-size: 11.5px;
    transition: all .18s ease;
}

.sf-btn i {
    font-size: 14px;
    color: var(--ds-muted);
    transition: color .18s ease;
}

.sf-btn:hover {
    background: var(--ds-blue-soft);
    border-color: var(--ds-blue);
    color: var(--ds-blue);
    transform: translateY(-1px);
}

.sf-btn:hover i {
    color: var(--ds-blue);
}

.sf-btn-danger:hover {
    background: #fee2e2;
    border-color: #f43f5e;
    color: #f43f5e;
}

.sf-btn-danger:hover i {
    color: #f43f5e;
}

/* ============================================================
   v2 — 分页（统一样式 + 快速跳页）
   ============================================================ */
nav:has(.pagination) {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.pagination {
    margin-bottom: 0 !important;
    flex-wrap: wrap;
}

.pagination-jump {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ds-muted);
    font-size: 13px;
    white-space: nowrap;
}

.pj-total {
    color: var(--ds-blue);
    font-weight: 600;
}

.pj-input {
    width: 62px;
    height: 32px;
    border: 1px solid var(--ds-border);
    border-radius: 7px;
    padding: 0 8px;
    font-size: 13px;
    text-align: center;
    color: var(--ds-text);
}

.pj-input:focus {
    border-color: var(--ds-blue);
    box-shadow: 0 0 0 3px rgba(77, 107, 254, .15);
    outline: none;
}

.pj-go {
    height: 32px;
    padding: 0 12px;
    font-size: 12.5px;
    border-radius: 7px;
}

/* ============================================================
   v2 — 模态框统一（桌面居中卡片 / 移动端底部弹层）
   ============================================================ */
.modal-content {
    border: none !important;
    border-radius: 14px !important;
    box-shadow: var(--ds-shadow-lg) !important;
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--ds-border) !important;
    padding: 14px 20px !important;
    background: #fff;
    border-radius: 14px 14px 0 0 !important;
}

.modal-title {
    font-size: 15.5px !important;
    font-weight: 600 !important;
    color: var(--ds-text) !important;
}

.modal-header .btn-close:focus {
    box-shadow: 0 0 0 3px rgba(77, 107, 254, .15);
}

.modal-body {
    padding: 20px !important;
}

.modal-body .form-group,
.modal-body .mb-3 {
    margin-bottom: 16px;
}

.modal-body .form-label {
    margin-bottom: 6px;
}

.modal-footer {
    border-top: 1px solid var(--ds-border) !important;
    padding: 12px 20px !important;
    gap: 8px !important;
    background: #fafbfe;
    border-radius: 0 0 14px 14px !important;
}

.modal-footer .btn {
    min-width: 84px;
}

/* ============================================================
   v2 — 响应式（桌面页面直接适配移动端）
   ============================================================ */
@media (max-width: 1199.98px) {
    .main-content {
        padding: 72px 16px 16px !important;
    }
}

@media (max-width: 991.98px) {
    .app-topbar {
        left: 0;
    }

    .app-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .app-topbar-title {
        font-size: 13.5px;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 64px 12px 16px !important;
    }

    .sidebar {
        transform: translateX(-100%) !important;
        transition: transform .3s ease-in-out !important;
        position: fixed !important;
        z-index: 1050 !important;
        top: 0;
        bottom: 0;
        left: 0;
        height: 100vh;
    }

    .sidebar.active {
        transform: translateX(0) !important;
    }

    .card-body {
        padding: 14px !important;
    }

    .card-header {
        padding: 11px 14px !important;
    }

    /* 页脚窄屏修正：取消左侧偏移、纵向堆叠居中 */
    .foot {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 6px !important;
        padding: 12px 8px 4px !important;
    }

    .foot-left {
        margin-left: 0 !important;
    }

    .foot-right {
        text-align: center !important;
    }
}

@media (max-width: 767.98px) {
    .app-topbar-link span {
        display: none;
    }

    .app-topbar-link {
        padding: 7px 9px;
    }

    .table-responsive {
        border: 1px solid var(--ds-border);
        border-radius: 10px;
    }

    .page-title {
        font-size: 15.5px !important;
    }

    /* 表单控件触屏友好 */
    .form-control,
    .form-select,
    .btn {
        font-size: 14px !important;
    }
}

/* 移动端模态框底部弹层 */
@media (max-width: 575.98px) {
    .modal-dialog {
        margin: 0;
        max-width: 100%;
    }

    .modal-content {
        border-radius: 16px 16px 0 0 !important;
        max-height: 92vh;
    }

    .modal.fade .modal-dialog {
        transform: translateY(100%);
        transition: transform .3s ease;
    }

    .modal.show .modal-dialog {
        transform: translateY(0);
    }

    .modal-body {
        padding: 16px !important;
        overflow-y: auto;
    }
}

/* ============================================================
   v3 — 左侧菜单清晰度重构（图标容器 + 子菜单轨道）
   ============================================================ */
.sidebar-menu .nav>.nav-item {
    margin-bottom: 2px;
}

.sidebar-menu .nav>.nav-item>.nav-link {
    display: flex;
    align-items: center;
    padding: 9px 10px !important;
    font-size: 13.5px !important;
    color: var(--ds-text-2) !important;
}

.menu-ico {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: #f5f7fb;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-size: 13px;
    color: var(--ds-muted);
    flex-shrink: 0;
    transition: all .2s ease;
}

.sidebar-menu .nav>.nav-item>.nav-link:hover .menu-ico,
.sidebar-menu .nav>.nav-item>.nav-link[aria-expanded="true"] .menu-ico {
    background: var(--ds-blue-soft);
    color: var(--ds-blue);
}

.sidebar-menu .nav>.nav-item>.nav-link i {
    margin-right: 0 !important;
    width: auto !important;
}

/* 子菜单：左侧轨道 + 缩进 */
.sidebar-menu .collapse {
    margin-left: 20px;
    border-left: 1px solid var(--ds-border);
    padding-left: 8px;
    margin-top: 2px;
    margin-bottom: 4px;
}

.sidebar-menu .collapse .nav-link {
    padding: 7px 10px 7px 12px !important;
    font-size: 13px !important;
    border-radius: 6px !important;
    position: relative;
}

.sidebar-menu .collapse .nav-link::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #c9ced8;
    transition: all .2s ease;
}

.sidebar-menu .collapse .nav-link:hover::before {
    background: var(--ds-blue);
}

.sidebar-menu .collapse .nav-link.active {
    background: var(--ds-blue) !important;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(77, 107, 254, .35) !important;
}

.sidebar-menu .collapse .nav-link.active::before {
    background: #fff;
    left: 2px;
}

/* ============================================================
   v3 — 顶栏"程序"下拉
   ============================================================ */
.app-prog-dropdown .dropdown-toggle::after {
    margin-left: 4px;
    font-size: 10px;
}

.app-prog-menu {
    border: 1px solid var(--ds-border) !important;
    border-radius: 10px !important;
    padding: 6px !important;
    min-width: 200px;
}

.app-prog-menu .dropdown-item-text {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 7px;
    color: var(--ds-text-2);
    font-size: 13px;
    white-space: nowrap;
}

.app-prog-menu .dropdown-item-text:hover {
    background: var(--ds-blue-soft);
}

.app-prog-menu .dropdown-item-text i {
    width: 16px;
    text-align: center;
    color: var(--ds-blue);
}

.app-prog-menu .dropdown-item-text b {
    color: var(--ds-text);
    font-weight: 600;
}

@media (max-width: 767.98px) {
    .app-prog-menu {
        min-width: 180px;
    }
}

/* ============================================================
   v4 — 顶栏页面加载进度条（左→右蓝色装饰线，加载完成隐藏）
   ============================================================ */
.topbar-progress {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    z-index: 1020;
    transition: opacity .3s ease;
}

.topbar-progress.active {
    opacity: 1;
}

.topbar-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #4d6bfe 0%, #7c3aed 100%);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(77, 107, 254, .6);
}

.topbar-progress-bar.running {
    animation: topbarProgress 4.5s ease forwards;
}

@keyframes topbarProgress {
    0% {
        width: 0;
    }

    30% {
        width: 45%;
    }

    60% {
        width: 72%;
    }

    85% {
        width: 88%;
    }

    100% {
        width: 92%;
    }
}

.topbar-progress-bar.done {
    width: 100% !important;
    transition: width .25s ease;
}

/* ============================================================
   v5 — 全局视觉体系升级：呼吸留白 / 层次分明 / 简约大气
   ============================================================ */

/* 全局字体与行距 */
body {
    font-size: 14px !important;
    line-height: 1.65 !important;
    letter-spacing: .01em;
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: .01em;
}

/* 主内容区留白 */
.main-content {
    padding: 76px 26px 28px !important;
}

/* ===== 卡片：轻边框、大留白、柔和阴影 ===== */
.card {
    border: 1px solid #eef0f4 !important;
    border-radius: 12px !important;
    margin-bottom: 22px !important;
}

.card-header {
    background: #fff !important;
    border-bottom: 1px solid #f0f2f6 !important;
    padding: 15px 22px !important;
    border-radius: 12px 12px 0 0 !important;
}

.card-header h4,
.card-header h5,
.card-header .card-title {
    font-size: 15px !important;
    font-weight: 600 !important;
    color: #1f2329 !important;
    letter-spacing: .02em;
}

.card-body {
    padding: 22px 24px !important;
}

/* ===== 表格：清爽表头、舒适行距、少线条 ===== */
.table {
    --bs-table-bg: transparent;
}

.table th {
    background: #f8fafc !important;
    color: #64748b !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    letter-spacing: .05em;
    padding: 11px 14px !important;
    border-bottom: 1px solid #eef0f4 !important;
    white-space: nowrap;
}

.table td {
    color: #334155 !important;
    padding: 12px 14px !important;
    border-bottom: 1px solid #f4f5f8 !important;
    font-size: 13.5px !important;
    vertical-align: middle !important;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    --bs-table-striped-bg: #fafbfd !important;
}

.table-hover > tbody > tr:hover {
    --bs-table-hover-bg: #f5f8ff !important;
}

/* ===== 表单：留白、舒适、统一高度 ===== */
.form-label {
    font-size: 13px !important;
    font-weight: 500 !important;
    color: #475569 !important;
    margin-bottom: 7px !important;
}

.form-control,
.form-select {
    min-height: 38px;
    padding: 8px 13px !important;
    font-size: 13.5px !important;
    border-radius: 8px !important;
    border-color: #e2e6ee !important;
    color: #1f2329 !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ds-blue) !important;
    box-shadow: 0 0 0 3px rgba(77, 107, 254, .13) !important;
}

.form-control::placeholder {
    color: #a8b0bc;
}

.mb-3 {
    margin-bottom: 18px !important;
}

.input-group-text {
    border-radius: 8px 0 0 8px !important;
}

.input-group .form-control {
    border-radius: 0 8px 8px 0 !important;
}

/* ===== 按钮：统一高度与留白 ===== */
.btn {
    min-height: 36px;
    padding: 7px 18px !important;
    font-size: 13.5px !important;
    border-radius: 8px !important;
}

.btn-sm {
    min-height: 30px;
    padding: 4px 11px !important;
    font-size: 12.5px !important;
    border-radius: 7px !important;
}

.btn + .btn,
.btn + .btn-sm {
    margin-left: 6px;
}

/* ===== 侧栏：菜单留白 ===== */
.sidebar-menu {
    padding: 10px 12px !important;
}

.sidebar-menu .nav>.nav-item>.nav-link {
    padding: 10px 12px !important;
    margin-bottom: 3px !important;
    font-size: 13.5px !important;
}

.sidebar-menu .collapse {
    margin-top: 3px;
    margin-bottom: 6px;
}

.sidebar-menu .collapse .nav-link {
    padding: 8px 10px 8px 14px !important;
    margin: 2px 0 !important;
}

/* ===== 分页：更轻盈 ===== */
.pagination .page-link {
    min-width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px !important;
    border-radius: 8px !important;
    margin: 0 3px !important;
}

/* ===== 徽章：柔和 ===== */
.badge {
    font-weight: 500 !important;
    padding: 4px 10px !important;
    border-radius: 6px !important;
    font-size: 12px !important;
}

/* ===== 模态框：留白 ===== */
.modal-body {
    padding: 24px 26px !important;
}

.modal-footer {
    padding: 14px 26px !important;
}

/* ===== 区块标题（表单分区） ===== */
.card-header .form-label,
.section-title {
    font-size: 13px;
}

/* 间距体系微调：列表页筛选与表格间距 */
.mb-4 {
    margin-bottom: 20px !important;
}

/* ============================================================
   v6 — 表单输入框：底部单线条风格（减少线条堆叠，简洁现代）
   ============================================================ */
.form-control,
.form-select {
    border: none !important;
    border-bottom: 1px solid #e3e7ef !important;
    border-radius: 0 !important;
    background-color: transparent !important;
    box-shadow: none !important;
    padding: 9px 2px !important;
    min-height: 40px;
    transition: border-color .2s ease;
}

.form-select {
    padding-right: 26px !important;
    background-position: right .55rem center;
}

.form-control:hover,
.form-select:hover {
    border-bottom-color: #c9d2e0 !important;
}

.form-control:focus,
.form-select:focus {
    border-bottom-color: var(--ds-blue) !important;
    border-bottom-width: 2px !important;
    background-color: transparent !important;
    box-shadow: none !important;
}

.form-control:disabled,
.form-select:disabled {
    background-color: transparent !important;
    border-bottom-style: dashed !important;
    color: #98a2b3;
}

.form-control::placeholder {
    color: #b3bac6;
}

/* 输入组：前缀图标与输入框统一底线 */
.input-group-text {
    border: none !important;
    border-bottom: 1px solid #e3e7ef !important;
    border-radius: 0 !important;
    background: transparent !important;
    color: #98a2b3;
    padding: 9px 6px !important;
}

.input-group .form-control {
    border-radius: 0 !important;
}

.input-group:focus-within .input-group-text {
    border-bottom-color: var(--ds-blue) !important;
    border-bottom-width: 2px !important;
}

/* 文本域同样适用（若使用 form-control 类） */
textarea.form-control {
    min-height: 90px;
    resize: vertical;
}

/* ============================================================
   v7 — 统计卡响应式 + 细节统一（dashboard 等页面）
   ============================================================ */
.stats-grid {
    grid-template-columns: repeat(8, 1fr);
}

@media (max-width: 1399.98px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 991.98px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

@media (max-width: 575.98px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .stats-item {
        padding: 10px 6px !important;
    }

    .stats-item .stats-value {
        font-size: 17px !important;
    }
}

/* 说明/提示区块（bg-light 圆角）统一留白 */
.bg-light.rounded,
.bg-light.rounded-2,
.bg-light.rounded-3 {
    border: 1px solid #eef0f4;
    border-radius: 10px !important;
}

/* 表格容器圆角与边框（与卡片体系一致） */
.table-responsive {
    border-radius: 10px;
}

/* 统计卡 hover 微交互 */
.stats-item {
    transition: transform .18s ease, box-shadow .18s ease;
}

.stats-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(16, 24, 40, .08);
}

/* ============================================================
   v8 — 分区标题统一（表单分区、模块说明，层级清晰）
   ============================================================ */
.card-body > h5:not(.card-title):not(.modal-title):not(.form-label),
.card-body h5.section-label {
    font-size: 14.5px;
    font-weight: 600;
    color: #1f2329;
    margin: 6px 0 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f2f6;
    letter-spacing: .02em;
}

.card-body > h6 {
    font-size: 13.5px;
    font-weight: 600;
    color: #334155;
    margin: 4px 0 12px;
}

/* ============================================================
   v9 — 统计卡统一（gameusertongji / tixian 等页面的 stats-card）
   ============================================================ */
.stats-card .card-body {
    padding: 18px 20px !important;
}

.stats-card .card-body h5,
.stats-card .card-body .card-title {
    font-size: 13px !important;
    font-weight: 500 !important;
    color: #64748b !important;
    margin-bottom: 8px !important;
    border-bottom: none !important;
    padding-bottom: 0 !important;
}

.stats-card .card-body p.h4,
.stats-card .card-body .h4,
.stats-card .card-body .stats-value {
    font-size: 24px !important;
    font-weight: 700 !important;
    color: #1f2329 !important;
    margin-bottom: 0 !important;
    line-height: 1.2;
}

/* 统计卡内的次级说明文字 */
.stats-card .card-body .text-muted,
.stats-card .card-body small {
    font-size: 12px;
}

/* ============================================================
   v10 — 左侧菜单滚动条：品牌蓝配色
   ============================================================ */
.sidebar-menu {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, .1) transparent;
}

.sidebar-menu::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

.card-footer {
    border-top:0px !important;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(77, 107, 254, .5);
    border-radius: 6px;
}

.sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(77, 107, 254, .75);
}

/* ============================================================
   v11 — AI 助手浮窗
   ============================================================ */
.ai-assistant {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 370px;
    max-width: calc(100vw - 40px);
    background: #fff;
    border: 1px solid #eef0f4;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(16, 24, 40, .14);
    z-index: 2000;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.ai-assistant.open {
    display: flex;
}

.ai-assistant-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 11px 14px;
    background: #fff;
    border-bottom: 1px solid #f0f2f6;
    font-size: 14px;
    font-weight: 600;
    color: #1f2329;
}

.ai-assistant-close {
    background: none;
    border: none;
    color: #98a2b3;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 6px;
}

.ai-assistant-close:hover {
    background: #f1f4f9;
    color: #1f2329;
}

.ai-assistant-body {
    height: 320px;
    overflow-y: auto;
    padding: 12px;
    background: #f8fafc;
}

.ai-msg {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    max-width: 92%;
    font-size: 13px;
    line-height: 1.6;
    word-break: break-word;
    white-space: pre-wrap;
}

.ai-msg.user {
    background: #4d6bfe;
    color: #fff;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.ai-msg.bot {
    background: #fff;
    border: 1px solid #eef0f4;
    border-bottom-left-radius: 4px;
}

.ai-assistant-foot {
    display: flex;
    gap: 8px;
    padding: 10px;
    border-top: 1px solid #f0f2f6;
    background: #fff;
}

.ai-assistant-input {
    flex: 1;
    min-width: 0;
    border: 1px solid #e2e6ee;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 13px;
    color: #1f2329;
    outline: none;
}

.ai-assistant-input:focus {
    border-color: #4d6bfe;
    box-shadow: 0 0 0 3px rgba(77, 107, 254, .12);
}

.ai-assistant-send {
    min-height: 36px;
    padding: 6px 14px;
}

@media (max-width: 575.98px) {
    .ai-assistant {
        right: 10px;
        bottom: 10px;
        left: 10px;
        width: auto;
    }
}