/* 业务页统一导航菜单（桌面端） */
.biz-nav-root {
    --biz-nav-primary: #4a90e2;
    --biz-nav-panel-width: 340px;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

.biz-nav-launcher {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 42px;
    padding: 14px 0;
    border: none;
    border-radius: 0 12px 12px 0;
    background: linear-gradient(135deg, var(--biz-nav-primary), #5a9fd8);
    color: #fff;
    box-shadow: 4px 0 18px rgba(74, 144, 226, 0.35);
    cursor: pointer;
    transition: all 0.25s ease;
}

.biz-nav-launcher:hover {
    width: 48px;
    box-shadow: 6px 0 24px rgba(74, 144, 226, 0.45);
}

.biz-nav-launcher i {
    font-size: 18px;
}

.biz-nav-launcher-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.biz-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 1045;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(2px);
}

.biz-nav-panel {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1050;
    width: var(--biz-nav-panel-width);
    max-width: calc(100vw - 48px);
    height: 100vh;
    background: #fff;
    box-shadow: 8px 0 32px rgba(15, 23, 42, 0.18);
    display: flex;
    flex-direction: column;
    transform: translateX(calc(-100% - 8px));
    transition: transform 0.28s ease;
}

.biz-nav-root.is-open .biz-nav-panel {
    transform: translateX(0);
}

.biz-nav-root.is-open .biz-nav-launcher {
    opacity: 0;
    pointer-events: none;
}

.biz-nav-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 18px 14px;
    background: linear-gradient(135deg, var(--biz-nav-primary), #5a9fd8);
    color: #fff;
}

.biz-nav-panel-title {
    font-size: 17px;
    font-weight: 600;
}

.biz-nav-close-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease;
}

.biz-nav-close-btn:hover {
    background: rgba(255, 255, 255, 0.28);
}

.biz-nav-search-wrap {
    position: relative;
    padding: 14px 16px 10px;
    border-bottom: 1px solid #e9ecef;
}

.biz-nav-search-wrap i {
    position: absolute;
    left: 28px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 13px;
}

.biz-nav-search-input {
    width: 100%;
    padding: 10px 12px 10px 34px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.biz-nav-search-input:focus {
    border-color: var(--biz-nav-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

.biz-nav-tree {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0 12px;
}

.biz-nav-group {
    border-bottom: 1px solid #f1f5f9;
}

.biz-nav-group-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 16px;
    border: none;
    background: #fff;
    color: #1e293b;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.biz-nav-group-toggle:hover {
    background: #f8fafc;
}

.biz-nav-group-label {
    display: inline-flex;
    align-items: center;
}

.biz-nav-group-label i {
    color: var(--biz-nav-primary);
}

.biz-nav-group-chevron {
    font-size: 11px;
    color: #94a3b8;
    transition: transform 0.2s ease;
}

.biz-nav-group.is-collapsed .biz-nav-group-chevron {
    transform: rotate(-90deg);
}

.biz-nav-group.is-collapsed .biz-nav-group-body {
    display: none;
}

.biz-nav-group-body {
    padding-bottom: 8px;
}

.biz-nav-subgroup {
    margin-top: 4px;
}

.biz-nav-subgroup-title {
    padding: 6px 16px 4px 28px;
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
}

.biz-nav-page-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.biz-nav-page-item {
    margin: 0;
}

.biz-nav-page-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px 9px 28px;
    color: #334155;
    text-decoration: none;
    font-size: 13px;
    transition: background 0.2s ease, color 0.2s ease;
}

.biz-nav-page-link:hover {
    background: #f1f5f9;
    color: var(--biz-nav-primary);
}

.biz-nav-page-link.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.biz-nav-page-link i {
    width: 16px;
    text-align: center;
    color: #64748b;
    flex-shrink: 0;
}

.biz-nav-page-item.is-current > .biz-nav-page-link {
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 600;
}

.biz-nav-page-item.is-current > .biz-nav-page-link i {
    color: #1d4ed8;
}

.biz-nav-ai-badge {
    margin-left: auto;
    padding: 1px 6px;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.4px;
}

.biz-nav-page-item.is-hidden,
.biz-nav-subgroup.is-hidden,
.biz-nav-group.is-hidden {
    display: none !important;
}

.biz-nav-panel-footer {
    padding: 12px 16px 16px;
    border-top: 1px solid #e9ecef;
    background: #fafbfc;
}

.biz-nav-footer-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 12px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid #e2e8f0;
    color: #475569;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.biz-nav-footer-link:hover {
    color: var(--biz-nav-primary);
    border-color: var(--biz-nav-primary);
    background: #f8fbff;
}

@media (max-width: 768px) {
    .biz-nav-root {
        display: none;
    }
}