/**
 * 算立方 TWINCUBE - 容器/车辆列表页面样式
 */

/* ==================== 主内容区宽度限制（与货物清单页面一致） ==================== */
.container-content-wrapper {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

@media (min-width: 1024px) {
    .container-content-wrapper {
        max-width: 960px;
        margin: 0 auto;
        padding: 0;
    }
}

@media (min-width: 1280px) {
    .container-content-wrapper {
        max-width: 1100px;
    }
}

@media (min-width: 1440px) {
    .container-content-wrapper {
        max-width: 1200px;
    }
}

/* ==================== 步骤导航Tab（复用货物清单样式） ==================== */
.steps-nav {
    --step-line-width: 150px;
    --step-line-gap: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    padding: 0 24px;
    margin-bottom: var(--spacing-xl);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.step-tab {
    flex: 0 0 max-content;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 100%;
    width: max-content;
    min-width: 0;
    padding: 0;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    color: var(--text-tertiary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    text-decoration: none;
    white-space: nowrap;
}

.step-line {
    flex: 0 0 var(--step-line-width);
    width: var(--step-line-width);
    min-width: var(--step-line-width);
    max-width: var(--step-line-width);
    height: 2px;
    margin: 0 var(--step-line-gap);
    border-radius: 999px;
    background: var(--border-light);
    transition: background var(--transition-base);
}

.step-line.completed {
    background: var(--primary-color);
}

.step-tab:hover:not(.active):not(.disabled) {
    color: var(--primary-color);
}

.step-tab:hover:not(.active):not(.disabled) .step-icon {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.step-tab.active {
    color: var(--primary-color);
    font-weight: 600;
}

.step-tab.completed {
    color: var(--text-primary);
    font-weight: 600;
}

.step-tab.disabled {
    cursor: not-allowed;
}

.step-tab.disabled:hover {
    color: var(--text-tertiary);
}

.step-icon {
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    color: var(--text-tertiary);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    transition: all var(--transition-base);
}

.step-tab.active .step-icon {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.step-tab.completed .step-icon {
    color: #fff;
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.check-mark::after {
    content: '';
    display: block;
    width: 4px;
    height: 8px;
    border: solid currentColor;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -2px;
}

@media (max-width: 1280px) {
    .steps-nav {
        --step-line-width: clamp(88px, 8vw, 140px);
        --step-line-gap: 16px;
    }
}

/* ==================== 工具栏 ==================== */
.container-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.toolbar-left {
    display: flex;
    gap: var(--spacing-sm);
}

.toolbar-right {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

/* 添加按钮样式 */
.btn-add-container,
.btn-add-truck {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.btn-add-container svg,
.btn-add-truck svg {
    width: 16px;
    height: 16px;
}

/* 复选框选项样式 */
.checkbox-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.checkbox-option:hover:not(.disabled) {
    color: var(--primary-color);
}

.checkbox-option.disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.checkbox-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    cursor: inherit;
}

.checkbox-label {
    user-select: none;
}

/* ==================== 容器列表区域 ==================== */
.container-list-area {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
}

.empty-icon {
    margin-bottom: var(--spacing-lg);
}

.empty-icon svg {
    width: 120px;
    height: 120px;
}

.empty-text {
    font-size: var(--font-size-base);
    color: var(--text-tertiary);
    margin: 0;
}

/* 容器卡片网格 */
.container-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    width: 100%;
}

/* 容器卡片样式 */
.container-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
}

.container-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.container-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.container-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.container-card-icon svg {
    width: 28px;
    height: 28px;
}

.container-card-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.container-card-actions button {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container-card-actions button:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.container-card-actions button.btn-delete:hover {
    background: #fff1f0;
    color: #ff4d4f;
}

.container-card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.container-card-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.container-spec-item {
    text-align: center;
}

.container-spec-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.container-spec-unit {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-left: 2px;
}

.container-spec-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

.container-card-quantity {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.container-quantity-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.container-quantity-input {
    width: 60px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: var(--font-size-sm);
}

/* ==================== 底部操作区 ==================== */
.container-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.btn-back,
.btn-next {
    min-width: 140px;
}

/* ==================== 计算中遮罩（阶段一：同步计算闭环） ==================== */
.compute-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.compute-card {
    width: min(560px, 100%);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.92));
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.25),
        0 8px 18px rgba(0, 0, 0, 0.12);
    padding: 22px 22px 18px;
    transform: translateY(10px) scale(0.98);
    transition: transform 0.25s ease;
    position: relative;
    overflow: hidden;
}

.compute-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    background: radial-gradient(120% 120% at 0% 0%, rgba(24, 144, 255, 0.35), rgba(82, 196, 26, 0.18), rgba(250, 173, 20, 0.08));
    opacity: 0.45;
    pointer-events: none;
    filter: blur(12px);
}

.compute-overlay.active .compute-card {
    transform: translateY(0) scale(1);
}

/* ==================== Step2 权益拦截弹窗 ==================== */
.access-guard-overlay {
    z-index: 1120;
}

.access-guard-dialog {
    width: min(460px, 100%);
}

.access-guard-icon svg {
    width: 24px;
    height: 24px;
}

.access-guard-title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.access-guard-description {
    margin: 6px 0 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-tertiary);
}

.access-guard-actions {
    gap: 10px;
}

.access-guard-hint {
    align-items: center;
}

.access-guard-hint span:last-child {
    flex: 1;
}

.compute-notice-dialog {
    width: min(460px, 100%);
}

.compute-notice-icon {
    color: #faad14;
    background: linear-gradient(135deg, rgba(250, 173, 20, 0.16), rgba(250, 140, 22, 0.08));
    box-shadow: inset 0 0 0 1px rgba(250, 173, 20, 0.12);
}

.compute-notice-icon svg {
    width: 24px;
    height: 24px;
}

.compute-header {
    display: flex;
    gap: 14px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.compute-spinner {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: conic-gradient(from 90deg, rgba(24, 144, 255, 1), rgba(82, 196, 26, 1), rgba(250, 173, 20, 1), rgba(24, 144, 255, 1));
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 0);
    mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 0);
    animation: computeSpin 0.9s linear infinite;
    flex-shrink: 0;
    box-shadow: 0 10px 20px rgba(24, 144, 255, 0.18);
}

@keyframes computeSpin {
    to {
        transform: rotate(360deg);
    }
}

.compute-header-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.compute-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.2px;
}

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

.compute-progress {
    margin-top: 16px;
    position: relative;
    z-index: 1;
}

.compute-bar {
    height: 10px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.compute-bar-inner {
    height: 100%;
    width: 38%;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(24, 144, 255, 0.9), rgba(82, 196, 26, 0.9));
    box-shadow: 0 6px 18px rgba(24, 144, 255, 0.18);
    animation: computeBar 1.25s ease-in-out infinite;
}

@keyframes computeBar {
    0% {
        transform: translateX(-30%);
        opacity: 0.65;
    }
    50% {
        transform: translateX(80%);
        opacity: 1;
    }
    100% {
        transform: translateX(200%);
        opacity: 0.65;
    }
}

.compute-steps {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.compute-step {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.compute-step::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(24, 144, 255, 0.35);
    box-shadow: 0 0 0 0 rgba(24, 144, 255, 0.25);
    animation: computePulse 1.6s ease-in-out infinite;
}

.compute-step:nth-child(2)::before {
    animation-delay: 0.3s;
}

.compute-step:nth-child(3)::before {
    animation-delay: 0.6s;
}

@keyframes computePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(24, 144, 255, 0.25);
        transform: scale(1);
    }
    60% {
        box-shadow: 0 0 0 8px rgba(24, 144, 255, 0.0);
        transform: scale(1.08);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(24, 144, 255, 0.0);
        transform: scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .compute-spinner,
    .compute-bar-inner,
    .compute-step::before {
        animation: none !important;
    }
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .container-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-left,
    .toolbar-right {
        justify-content: center;
    }

    .toolbar-right {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .container-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn-back,
    .btn-next {
        width: 100%;
    }

    .container-list-area {
        min-height: 280px;
    }

    .access-guard-overlay {
        padding: 16px;
    }

    .access-guard-dialog {
        border-radius: 20px;
    }

    .access-guard-header {
        padding: 22px 20px 16px;
    }

    .access-guard-body {
        padding: 0 20px 18px;
    }

    .access-guard-actions {
        padding: 16px 20px 20px;
        flex-direction: column-reverse;
    }

    .access-guard-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .access-guard-title {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .toolbar-left {
        flex-direction: column;
    }

    .btn-add-container,
    .btn-add-truck {
        width: 100%;
        justify-content: center;
    }
}

/* ==================== 容器选择弹窗 (DeepPack风格) ==================== */
.container-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.container-modal {
    background: var(--bg-white);
    border-radius: var(--radius-xl, 16px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: min(92vw, 980px);
    height: min(82vh, 760px);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

/* 弹窗头部 */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-white);
}

.modal-title {
    font-size: var(--font-size-lg, 18px);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: all var(--transition-base);
}

.modal-close-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-close-btn svg {
    width: 18px;
    height: 18px;
}

/* 双面板布局 */
.modal-body {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* 左侧面板 */
.modal-left-panel {
    width: 340px;
    min-width: 340px;
    flex: 0 0 340px;
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    background: #f8fafc;
}

/* Tab 导航 */
.modal-tabs {
    display: flex;
    padding: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
}

.modal-tab {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) 6px;
    border: none;
    background: transparent;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}

.modal-tab span {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.modal-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    transition: background 0.2s ease;
}

.modal-tab:hover {
    color: var(--primary-color);
    background: var(--primary-light);
}

.modal-tab.active {
    color: var(--primary-color);
    background: var(--primary-light);
}

.modal-tab.active::after {
    background: var(--primary-color);
}

/* 容器列表 */
.modal-container-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 容器列表项 */
.container-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.container-list-item:hover {
    border-color: var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.container-list-item.selected {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.list-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.list-item-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.list-item-dims {
    font-size: var(--font-size-xs);
    line-height: 1.35;
    color: var(--text-tertiary);
}

.list-item-thumb {
    width: 48px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.list-item-thumb.reefer-thumb {
    position: relative;
}

.list-item-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(80%);
    opacity: 0.7;
    transition: all 0.2s ease;
}

.tab-content[data-content="container"] .container-list-item[data-type="20gp"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="20rf"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="20ot"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="20fr"] .list-item-thumb img {
    transform: scale(1.08);
}

.tab-content[data-content="container"] .container-list-item[data-type="40gp"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="40hq"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="45hq"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="40rh"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="45rh"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="40ot"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="40fr"] .list-item-thumb img,
.tab-content[data-content="container"] .container-list-item[data-type="custom-container"] .list-item-thumb img {
    transform: scale(1.12);
}

.list-item-thumb.reefer-thumb::after,
.container-preview.reefer-preview::after {
    content: "";
    position: absolute;
    left: var(--reefer-badge-x, 50%);
    top: var(--reefer-badge-y, 50%);
    width: 10px;
    height: 10px;
    transform: translate(-50%, -50%);
    background: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23269cff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2v20M4.2 5.6l15.6 12.8M19.8 5.6L4.2 18.4M8.5 3.8L12 7.2l3.5-3.4M8.5 20.2l3.5-3.4 3.5 3.4M3.9 9.5l4.7-1.2-1.2-4.6M20.1 14.5l-4.7 1.2 1.2 4.6M20.1 9.5l-4.7-1.2 1.2-4.6M3.9 14.5l4.7 1.2-1.2 4.6'/%3E%3C/svg%3E");
    filter: drop-shadow(0 1px 2px rgba(38, 156, 255, 0.35));
    opacity: 0.92;
    pointer-events: none;
}

.container-preview.reefer-preview::after {
    width: 30px;
    height: 30px;
}

.container-preview.reefer-preview[data-preset="20rf"]::after {
    --reefer-badge-x: 54%;
    --reefer-badge-y: 50%;
}

.container-preview.reefer-preview[data-preset="40rh"]::after,
.container-preview.reefer-preview[data-preset="45rh"]::after {
    --reefer-badge-x: 54%;
    --reefer-badge-y: 52%;
}

.container-list-item[data-type="20rf"] .reefer-thumb::after {
    --reefer-badge-x: 52%;
    --reefer-badge-y: 51%;
}

.container-list-item[data-type="40rh"] .reefer-thumb::after,
.container-list-item[data-type="45rh"] .reefer-thumb::after {
    --reefer-badge-x: 51%;
    --reefer-badge-y: 51%;
}

.container-list-item.selected .list-item-thumb img,
.container-list-item:hover .list-item-thumb img {
    filter: grayscale(0%);
    opacity: 1;
}

.container-list-item[data-kind="truck"] {
    min-height: 64px;
}

.container-list-item[data-kind="truck"] .list-item-info {
    flex: 1;
    min-width: 0;
}

.container-list-item[data-kind="truck"] .list-item-thumb {
    width: 64px;
    height: 36px;
    flex-shrink: 0;
}

.container-list-item[data-kind="truck"] .list-item-thumb img {
    width: 100%;
    height: auto;
    max-width: none;
    max-height: none;
    object-fit: contain;
    object-position: center center;
}

.container-list-section-title {
    margin: 12px 8px 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    color: var(--text-tertiary);
}

.container-list-section-title:first-child {
    margin-top: 4px;
}

.container-list-item[data-kind="pallet"] {
    min-height: 60px;
}

.container-list-item[data-kind="pallet"] .list-item-info {
    flex: 1;
    min-width: 0;
    padding-right: 8px;
}

.container-list-item[data-kind="pallet"] .list-item-thumb {
    width: 54px;
    height: 38px;
    flex-shrink: 0;
}

.container-list-item[data-kind="pallet"] .list-item-thumb img {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    object-fit: contain;
    transform: scale(0.94);
    transform-origin: center center;
}

/* 自定义规格库 */
.custom-specs-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px 16px 8px;
    border-bottom: 1px solid var(--border-light);
}

.custom-specs-toolbar {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.custom-specs-toolbar .btn {
    align-self: flex-start;
}

.custom-specs-heading h4 {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.custom-specs-heading p {
    margin: 0;
    font-size: 12px;
    line-height: 1.55;
    color: var(--text-secondary);
}

.custom-specs-filter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom-specs-filter label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.custom-specs-filter select {
    flex: 1;
    min-width: 0;
    height: 34px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0 12px;
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-white);
}

/* 自定义容器空状态 */
.custom-container-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    text-align: center;
    color: var(--text-tertiary);
}

.custom-container-empty p {
    margin: 0;
    font-size: var(--font-size-sm);
}

.custom-container-list {
    display: flex;
    flex-direction: column;
    padding: 8px 0 12px;
}

.custom-saved-item .list-item-info {
    flex: 1;
    min-width: 0;
    padding-right: 8px;
}

.custom-saved-item {
    position: relative;
}

.custom-saved-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 38px;
    flex-shrink: 0;
}

.custom-saved-item .list-item-thumb {
    width: 64px;
    height: 38px;
}

.custom-saved-item .list-item-thumb img {
    width: 100%;
    height: auto;
    max-width: none;
    max-height: none;
    object-fit: contain;
}

.custom-spec-delete-btn {
    position: absolute;
    right: 6px;
    bottom: 4px;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 0;
    color: var(--text-tertiary);
    background: transparent;
    cursor: pointer;
    opacity: 0.78;
    transition: all 0.2s ease;
    z-index: 2;
}

.custom-spec-delete-btn svg {
    position: absolute;
    bottom: 4px;
    right: 4px;
}

.custom-spec-delete-btn:hover {
    background: transparent;
    color: #ff4d4f;
    opacity: 1;
}

.custom-spec-delete-btn:focus-visible {
    outline: 2px solid rgba(180, 35, 24, 0.35);
    outline-offset: 2px;
}

.custom-spec-delete-btn:disabled {
    cursor: wait;
    opacity: 0.45;
}

.custom-saved-meta {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    margin-top: 6px;
    padding: 2px 8px;
    width: fit-content;
    max-width: 100%;
    border-radius: 999px;
    background: #f3f6fb;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* 即将推出提示 */
.coming-soon-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--spacing-md);
    margin: 0;
}

/* 右侧面板 */
.modal-right-panel {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 24px 28px;
    background: var(--bg-white);
    overflow-y: auto;
}

/* 容器预览 */
.container-preview {
    position: relative;
    flex: 0 0 296px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 296px;
    min-height: 296px;
    padding: 24px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.container-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center center;
    transform: none;
}

.container-preview.truck-preview {
    align-items: center;
}

.container-preview.pallet-preview {
    align-items: center;
    padding: 18px 22px 20px;
}

.container-preview img.is-container {
    width: auto;
    max-width: 252px;
    max-height: 252px;
    object-position: center center;
    transform: scale(var(--container-preview-scale, 1.08));
}

.container-preview img.is-pallet {
    width: auto;
    max-width: min(360px, 100%);
    max-height: 250px;
    object-position: center center;
    transform: scale(var(--container-preview-scale, 1.02));
}

.container-preview img.is-truck {
    width: 100%;
    max-width: 500px;
    max-height: 180px;
    object-position: center center;
    transform: scale(1);
}

/* 容器详情 */
.container-details {
    margin-bottom: var(--spacing-lg);
}

.detail-name {
    font-size: var(--font-size-lg, 18px);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.detail-note {
    margin: 0 0 14px;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-secondary);
}

.detail-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
}

.detail-row[hidden] {
    display: none !important;
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.detail-value {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

/* 弹窗底部 */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    flex-shrink: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    background: var(--bg-white);
}

.btn-confirm {
    min-width: 120px;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.custom-spec-modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(6px);
    z-index: 1400;
}

.custom-spec-modal-overlay[hidden] {
    display: none !important;
}

.custom-spec-modal {
    width: min(92vw, 440px);
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
    overflow: hidden;
}

.custom-type-picker-modal {
    width: min(92vw, 620px);
}

.custom-spec-modal-header,
.custom-spec-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 22px;
}

.custom-spec-modal-header {
    border-bottom: 1px solid var(--border-light);
}

.custom-spec-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.custom-spec-modal-close {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}

.custom-spec-modal-close:hover {
    background: #f2f6fb;
    color: var(--text-primary);
}

.custom-spec-modal-body {
    padding: 20px 22px;
}

.custom-spec-modal-description {
    margin: 0 0 16px;
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-secondary);
}

.custom-type-picker-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.custom-kind-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-height: 132px;
    padding: 16px;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    background: #fbfdff;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.custom-kind-option:hover {
    border-color: #91caff;
    background: #f4faff;
    transform: translateY(-1px);
}

.custom-kind-option-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.custom-kind-option-desc {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.custom-spec-form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.custom-spec-form-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.custom-spec-form-field input {
    width: 100%;
    height: 42px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0 14px;
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
}

.custom-spec-form-field input:focus {
    border-color: #91caff;
    box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.08);
}

.custom-spec-form-hint {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
    min-height: 20px;
}

.custom-spec-form-hint.is-error {
    color: #d4380d;
}

.custom-spec-form-hint.is-success {
    color: #389e0d;
}

.custom-spec-modal-footer {
    justify-content: flex-end;
    border-top: 1px solid var(--border-light);
}

/* ==================== 容器卡片列表 (改进版) ==================== */
.container-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.container-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--primary-color);
    /* 彩色左边框 */
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    transition: all var(--transition-base);
}

.container-card:hover {
    box-shadow: var(--shadow-md);
    border-left-color: #40a9ff;
}

/* 容器图片 - 放大 */
.container-card-image {
    position: relative;
    width: 140px;
    /* 从100px放大到140px */
    height: 95px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 原颜色: #f0f9ff, #e6f7ff - 注释保留 */
    /* background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%); */
    background: transparent;
    /* 去除底色 */
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.container-index {
    position: absolute;
    top: -2px;
    left: 0;
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
}

.container-card-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.container-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.container-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.container-card-primary {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* 编辑类型按钮 */
.btn-edit-type {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-edit-type:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.btn-save-custom {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid #dbe7f6;
    border-radius: var(--radius-md);
    background: #f8fbff;
    color: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 13px;
    font-weight: 500;
}

.btn-save-custom:hover {
    border-color: #91caff;
    background: #edf6ff;
}

.btn-save-custom svg {
    flex-shrink: 0;
}

.container-user-id-input {
    width: 172px;
    height: 34px;
    padding: 0 11px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    line-height: 34px;
    outline: none;
    transition: all var(--transition-base);
}

.container-user-id-input::placeholder {
    color: var(--text-tertiary);
    font-weight: 400;
}

.container-user-id-input:hover {
    border-color: #91caff;
}

.container-user-id-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.container-card-type {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.btn-edit-type svg {
    color: var(--text-tertiary);
}

/* 操作按钮组 */
.container-card-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* 上下移动按钮 - 圆形蓝色 (SeaRates风格) */
.container-card-actions .btn-move-up,
.container-card-actions .btn-move-down {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(24, 144, 255, 0.3);
}

.container-card-actions .btn-move-up:hover,
.container-card-actions .btn-move-down:hover {
    background: #40a9ff;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(24, 144, 255, 0.4);
}

.container-card-actions .btn-move-up:disabled,
.container-card-actions .btn-move-down:disabled {
    background: #d9d9d9;
    color: #999;
    cursor: not-allowed;
    box-shadow: none;
}

.container-card-actions .btn-move-up:disabled:hover,
.container-card-actions .btn-move-down:disabled:hover {
    transform: none;
    background: #d9d9d9;
}

/* 删除按钮 - 浅红色圆形 */
.container-card-actions .btn-delete {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 77, 79, 0.1);
    color: #ff7875;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.container-card-actions .btn-delete:hover {
    background: rgba(255, 77, 79, 0.2);
    color: #ff4d4f;
    transform: translateY(-1px);
}

.container-card-actions .btn-delete span {
    display: none;
    /* 隐藏删除文字 */
}

@media (max-width: 900px) {
    .custom-type-picker-grid {
        grid-template-columns: 1fr;
    }
}

/* 规格字段布局 - 标签在上方 */
.container-card-specs {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.spec-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spec-field label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    font-weight: 500;
}

/* 输入框包装 - 单位在内部 */
.spec-input-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.spec-input-wrapper input {
    width: 85px;
    padding: var(--spacing-xs) 28px var(--spacing-xs) var(--spacing-sm);
    /* 右侧留空间给单位 */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    text-align: left;
    transition: all var(--transition-base);
    appearance: textfield;
    -moz-appearance: textfield;
}

.spec-input-wrapper input::-webkit-outer-spin-button,
.spec-input-wrapper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.spec-input-wrapper input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

/* 禁用状态 - 有底色 */
.spec-input-wrapper input:disabled {
    background: #f5f5f5;
    /* 浅灰底色 */
    color: var(--text-secondary);
    border-color: var(--border-light);
    cursor: not-allowed;
}

.spec-input-wrapper .unit {
    position: absolute;
    right: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    pointer-events: none;
}

/* 数量控制 */
.quantity-control {
    display: flex;
    align-items: center;
}

.quantity-control button {
    width: 28px;
    height: 28px;
    border-radius: 0;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 500;
    transition: all var(--transition-base);
}

.quantity-control .qty-minus {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    border-right: none;
}

.quantity-control .qty-plus {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: none;
}

.quantity-control button:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.quantity-control button:disabled,
.quantity-control .qty-input:disabled {
    background: #f5f5f5;
    color: var(--text-tertiary);
    border-color: var(--border-light);
    cursor: not-allowed;
}

.quantity-control.is-locked button:hover {
    background: #f5f5f5;
    border-color: var(--border-light);
    color: var(--text-tertiary);
}

.quantity-control .qty-input {
    width: 45px;
    height: 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 0;
    font-size: var(--font-size-sm);
    appearance: textfield;
    -moz-appearance: textfield;
}

.quantity-control .qty-input::-webkit-outer-spin-button,
.quantity-control .qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ==================== 弹窗装载量估算样式 ==================== */
.detail-estimate {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px dashed var(--border-light);
    display: flex;
    gap: var(--spacing-lg);
}

.estimate-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.estimate-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.estimate-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
}

/* ==================== 弹窗响应式设计 ==================== */
@media (max-width: 768px) {

    /* 弹窗 - 修复滚动和确认按钮可见性 */
    .container-modal {
        width: 95%;
        max-width: none;
        max-height: 85vh;
        display: flex;
        flex-direction: column;
    }

    .modal-body {
        flex-direction: column;
        height: auto;
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .modal-left-panel {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        max-height: 180px;
        min-height: 150px;
        overflow-y: auto;
    }

    .modal-right-panel {
        width: 100%;
        flex: 1;
        min-height: auto;
        overflow-y: auto;
        padding-bottom: var(--spacing-lg);
    }

    .container-preview {
        flex: none !important;
        /* 移除flex:1，防止容器变形 */
        min-height: 150px !important;
        max-height: 160px !important;
        height: 160px !important;
        /* 固定高度 */
        padding: var(--spacing-sm) !important;
        overflow: hidden !important;
        /* 确保不溢出 */
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .container-preview img {
        transform: none !important;
        /* 强制移除放大 */
        max-width: 100% !important;
        max-height: 140px !important;
        /* 固定最大高度 */
        width: auto !important;
        height: auto !important;
        object-fit: contain !important;
        /* 确保完整显示 */
    }

    .detail-specs {
        grid-template-columns: 1fr;
    }

    /* 确认按钮始终可见 */
    .modal-footer {
        position: sticky;
        bottom: 0;
        background: var(--bg-white);
        padding: var(--spacing-md);
        border-top: 1px solid var(--border-light);
        margin-top: auto;
    }

    .btn-confirm {
        width: 100%;
    }

    /* 步骤导航 */
    .steps-nav {
        justify-content: flex-start;
        height: 56px;
        padding: 0 16px;
        overflow-x: auto;
    }

    .step-tab {
        min-width: max-content;
        padding: 0;
        font-size: 13px;
    }

    .step-line {
        flex: 0 0 32px;
        width: 32px;
        min-width: 32px;
        max-width: none;
        margin: 0 10px;
    }

    /* 工具栏 - 垂直布局，复选框对齐 */
    .container-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-left {
        flex-direction: column;
        width: 100%;
    }

    .toolbar-left .btn-add-container {
        width: 100%;
        justify-content: center;
    }

    .toolbar-right {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .checkbox-option {
        width: 100%;
    }

    /* 容器卡片列表响应式 */
    .container-card {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
    }

    .container-card-image {
        width: 100%;
        height: 80px;
        margin-bottom: var(--spacing-sm);
    }

    .container-card-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .container-card-primary {
        align-items: stretch;
    }

    .container-user-id-input {
        width: 100%;
    }

    .container-card-actions {
        justify-content: flex-end;
    }

    .container-card-specs {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .spec-field {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .spec-input-wrapper input {
        width: 100px;
    }

    .detail-estimate {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* 小手机 < 375px */
@media (max-width: 374px) {
    .container-modal {
        width: 98%;
    }

    .modal-left-panel {
        max-height: 150px;
    }

    .container-preview {
        min-height: 100px;
        max-height: 120px;
    }

    .modal-tabs {
        gap: 0;
    }

    .modal-tab {
        font-size: var(--font-size-xs);
        padding: var(--spacing-sm);
    }
}

/* ==================== 装载规则区域 ==================== */
.loading-rules-area {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-color);
}

.title-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.title-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

/* 规则卡片网格布局 */
.rules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

/* 跨行卡片 (装载策略占满2列) */
.rules-grid>.rule-card:first-child {
    grid-column: span 2;
}

/* 卡片通用样式 */
.rule-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.rule-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border-color);
}

/* 卡片标题行 */
.rule-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.rule-header-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.rule-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* 帮助按钮和tooltip */
.help-btn {
    position: relative;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color var(--transition-base);
    padding: 0;
}

.help-btn:hover {
    color: var(--primary-color);
}

.help-btn svg {
    width: 18px;
    height: 18px;
}

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    line-height: 1.5;
    max-width: 280px;
    min-width: 200px;
    white-space: normal;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.85);
}

.tooltip-content p {
    margin: 0;
}

.help-btn:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* 表头中的帮助按钮样式 */
.col-slider-header {
    display: flex;
    align-items: center;
    gap: 4px;
}

.header-help-btn {
    width: 16px;
    height: 16px;
}

.header-help-btn .help-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: help;
}

.header-help-btn:hover .help-icon {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 保留旧的tooltip-icon样式兼容 */
.tooltip-icon {
    color: var(--text-tertiary);
    cursor: help;
    display: flex;
    align-items: center;
}

.tooltip-icon svg {
    width: 16px;
    height: 16px;
}

.tooltip-icon:hover {
    color: var(--primary-color);
}

.rule-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 4px 0 0 0;
}

/* --- 1. 装载策略 (Visual Cards) --- */
.strategy-cards,
.sorting-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.visual-card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    background: #fcfcfc;
}

.visual-card:hover {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.08);
}

.visual-card.active {
    border-color: var(--primary-color);
    background: #f0f9ff;
    /* primary-light 变体 */
    box-shadow: 0 0 0 1px var(--primary-color);
}

/* 选中/未选中状态的图标颜色切换 */
.visual-card .icon-active {
    display: none;
}

.visual-card .icon-inactive {
    display: block;
}

.visual-card.active .icon-active {
    display: block;
}

.visual-card.active .icon-inactive {
    display: none;
}

.visual-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: transparent;
    transition: all 0.2s;
}

.visual-card.active .visual-check {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.visual-check svg {
    width: 14px;
    height: 14px;
}

.visual-illustration {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid #f0f0f0;
}

.visual-illustration svg {
    width: 100%;
    height: 100%;
    max-width: 120px;
}

.visual-content h4 {
    margin: 0 0 4px 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.visual-content p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- 2. 优先装载大件 & 3. 物理稳定性 (Switches) --- */
.rule-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* Toggle Switch iOS Style */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(20px);
}

input:disabled+.slider {
    background-color: #e5e7eb;
    cursor: not-allowed;
}

/* 扩展设置细节 (动画) */
.rule-details {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    max-height: 500px;
    overflow: visible;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease, margin 0.3s ease;
    opacity: 1;
}

/* 物理稳定性收折状态 */
.stability-card.collapsed .rule-details {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    margin-top: 0;
    overflow: hidden;
}

.details-divider {
    height: 1px;
    background: transparent;
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px dashed var(--border-light);
}

.details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.details-header h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.btn-text-primary {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: var(--font-size-xs);
    cursor: pointer;
    padding: 0;
    font-weight: 500;
}

.btn-text-primary:hover {
    text-decoration: underline;
}

/* 支撑率网格 */
.support-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.support-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.support-icon {
    font-size: 16px;
    margin-right: 8px;
    width: 20px;
    text-align: center;
}

.support-label {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.support-input-wrap {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    width: 70px;
    margin-right: 12px;
}

.support-input-wrap:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.support-input {
    width: 100%;
    border: none;
    outline: none;
    text-align: right;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 2px;
    color: var(--text-primary);
    /* 移除浏览器默认的spin button */
    -moz-appearance: textfield;
}

.support-input::-webkit-outer-spin-button,
.support-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.unit {
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
    margin-left: 2px;
}

.support-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    width: 40px;
    text-align: right;
}

/* --- 4. 选位策略 (Radio Options) --- */
.radio-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.radio-card {
    display: flex;
    cursor: pointer;
    position: relative;
}

.radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-content {
    flex: 1;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all 0.2s;
    background: #fcfcfc;
}

.radio-card:hover .radio-content {
    border-color: var(--border-color);
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.radio-card input:checked+.radio-content {
    border-color: var(--primary-color);
    background: #f0f9ff;
}

.radio-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.radio-circle {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
    background: #fff;
}

.radio-card input:checked+.radio-content .radio-circle {
    border-color: var(--primary-color);
}

.radio-card input:checked+.radio-content .radio-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
}

.radio-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tag-recommended {
    padding: 2px 8px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
    color: white;
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    letter-spacing: 0.3px;
}

.radio-desc {
    margin: 0 0 0 26px;
    /* align with text start (not circle) */
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .rules-grid {
        grid-template-columns: 1fr;
        /* 单列 */
    }

    .rules-grid>.rule-card:first-child {
        grid-column: span 1;
    }

    .strategy-cards {
        grid-template-columns: 1fr;
        /* 单列堆叠 */
        gap: var(--spacing-sm);
    }
}

/* ==================== 物理稳定性 V2 - 双箱视图 ==================== */

/* 稳定性卡片样式 - 与优先装载大件对齐 */
.stability-card {
    grid-column: span 1;
}

.stability-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* 批量设置行 */
.batch-settings-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
}

.batch-left {
    flex: 1;
}

.batch-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.batch-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.batch-select {
    padding: 6px 28px 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--bg-white);
    cursor: pointer;
    width: auto;
    transition: border-color var(--transition-base);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.batch-select:hover,
.batch-select:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* 支撑率表格 V2 - 紧凑布局 */
.support-table-v2 {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: visible;
}

.support-table-header {
    display: grid;
    grid-template-columns: 40px 50px 1fr 130px;
    gap: 6px;
    padding: 6px 10px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-light);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    align-items: center;
}

.support-table-header .col-enable {
    text-align: center;
}

.support-table-row {
    display: grid;
    grid-template-columns: 40px 50px 1fr 130px;
    gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-light);
    align-items: center;
    transition: background var(--transition-base);
}

.support-table-row:last-child {
    border-bottom: none;
}

.support-table-row:hover {
    background: #fafafa;
}

/* 启用复选框 */
.checkbox-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.checkbox-wrap input {
    display: none;
}

.checkbox-wrap .checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    background: var(--bg-white);
}

.checkbox-wrap input:checked+.checkmark {
    background: var(--success-color);
    border-color: var(--success-color);
}

.checkbox-wrap input:checked+.checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 类型列 */
.col-type {
    display: flex;
    align-items: center;
    gap: 6px;
}

.type-icon-svg {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f2f5;
    border-radius: 4px;
    padding: 3px;
    flex-shrink: 0;
}

.type-icon-svg svg {
    width: 100%;
    height: 100%;
    stroke: var(--text-secondary);
}

.type-icon-svg.pallet-icon svg {
    stroke: #8B4513;
}

.type-icon-svg.crate-icon svg {
    stroke: #A0522D;
}

.type-icon-svg.carton-icon svg {
    stroke: var(--primary-color);
}

.type-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

/* 滑块列 */
.col-slider {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.slider-label-left,
.slider-label-right {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    min-width: 20px;
    text-align: center;
}

.support-slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, #ffc107 0%, #52c41a 50%, var(--primary-color) 100%);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.support-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 3px solid var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-base);
}

.support-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 10px rgba(24, 144, 255, 0.3);
}

.support-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 3px solid var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* 实时预览列 - 横向布局 */
.col-preview {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding-left: 12px;
}

.dual-box-preview {
    position: relative;
    width: 60px;
    height: 42px;
    flex-shrink: 0;
}

.dual-box-preview .base-box {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 18px;
    background: linear-gradient(135deg, #e8e8e8 0%, #d9d9d9 100%);
    border: 2px solid #999;
    border-radius: 2px;
}

.dual-box-preview .top-box {
    position: absolute;
    top: 2px;
    left: 0;
    width: 40px;
    height: 18px;
    background: linear-gradient(135deg, #1890ff 0%, #40a9ff 100%);
    border: 2px solid #096dd9;
    border-radius: 2px;
    transition: left 0.25s ease;
    z-index: 1;
}

/* 悬空区域底部标红 - 只标红底部 */
.dual-box-preview .top-box::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: var(--overhang-width, 0);
    height: 3px;
    background: #ff4d4f;
    border-radius: 0;
    transition: width 0.25s ease;
}

.overhang-text {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    text-align: right;
}

.overhang-label {
    color: var(--text-tertiary);
}

.overhang-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* 悬空最大(50%)时数字变红 */
.support-table-row[data-overhang="max"] .overhang-value {
    color: #ff4d4f;
}

/* 未启用状态样式 */
.no-limit-text {
    display: none;
    font-size: 11px;
    color: #999;
}

.slider-disabled-text {
    display: none;
    font-size: 11px;
    color: #999;
    text-align: center;
}

.support-table-row.disabled {
    opacity: 1;
    pointer-events: auto;
}

.support-table-row.disabled .type-name {
    color: var(--text-tertiary);
}

.support-table-row.disabled .support-slider,
.support-table-row.disabled .slider-label-left,
.support-table-row.disabled .slider-label-right {
    display: none;
}

.support-table-row.disabled .slider-disabled-text {
    display: block;
}

.support-table-row.disabled .dual-box-preview .top-box,
.support-table-row.disabled .dual-box-preview .base-box {
    background: transparent;
    border-color: #ccc;
    border-style: dashed;
}

.support-table-row.disabled .dual-box-preview .top-box::after {
    display: none;
}

.support-table-row.disabled .overhang-text {
    display: none;
}

.support-table-row.disabled .no-limit-text {
    display: block;
}

/* 响应式：平板和手机 */
@media (max-width: 1024px) {
    .stability-card {
        grid-column: span 1;
    }

    .support-table-header,
    .support-table-row {
        grid-template-columns: 50px 100px 1fr 120px;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .dual-box-preview {
        width: 80px;
        height: 40px;
    }

    .dual-box-preview .base-box {
        width: 50px;
        height: 20px;
        left: 5px;
    }

    .dual-box-preview .top-box {
        width: 32px;
        height: 18px;
        left: 5px;
    }
}

@media (max-width: 768px) {
    .batch-settings-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .batch-right {
        width: 100%;
        justify-content: flex-end;
    }

    .support-table-header {
        display: none;
    }

    .support-table-row {
        grid-template-columns: 40px 1fr;
        gap: var(--spacing-sm);
    }

    .col-slider,
    .col-preview {
        grid-column: 1 / -1;
    }

    .col-preview {
        flex-direction: row;
        justify-content: space-between;
        padding-left: 48px;
    }
}

/* ==================== 选位策略 - 横向卡片布局 ==================== */

/* 选位策略卡片容器 - 位于物理稳定性右侧 */
.placement-card {
    transition: opacity 0.3s ease;
}

/* 横向双卡片容器 */
.placement-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* 选位策略内容区域 - 支持收折 */
.placement-details {
    /* 使用clip而非overflow:hidden，避免裁剪box-shadow */
    max-height: 400px;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    opacity: 1;
}

/* 收折状态 - 选位策略 */
.placement-card.collapsed .placement-details {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
}

/* 收折状态 - 物理稳定性和选位策略卡片的标题区域保留 */
.stability-card.collapsed .rule-details,
.placement-card.collapsed .placement-details {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

/* 选位策略卡片样式 */
.placement-visual-card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    background: #fcfcfc;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.placement-visual-card:hover {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.08);
}

.placement-visual-card.active {
    border-color: var(--primary-color);
    background: #f0f9ff;
    /* primary-light 变体 */
    box-shadow: 0 0 0 1px var(--primary-color);
}

/* 隐藏原生radio */
.placement-visual-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

/* 选中勾选标记 */
.placement-visual-card .visual-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: transparent;
    transition: all 0.2s;
}

.placement-visual-card.active .visual-check {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.placement-visual-card .visual-check svg {
    width: 12px;
    height: 12px;
}

/* 选位策略图标区域 - 完全复制货物排序的.visual-illustration样式 */
.placement-illustration {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid #f0f0f0;
}

.placement-illustration svg {
    width: 100%;
    height: 100%;
    max-width: 120px;
}

/* 选中/未选中图标切换 */
.placement-visual-card .icon-active {
    display: none;
}

.placement-visual-card .icon-inactive {
    display: block;
}

.placement-visual-card.active .icon-active {
    display: block;
}

.placement-visual-card.active .icon-inactive {
    display: none;
}

/* 选位策略卡片内容 */
.placement-content h4 {
    margin: 0 0 4px 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.placement-content p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* 禁用状态 - 当物理稳定性关闭时 */
.placement-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.placement-card.disabled .visual-card {
    cursor: not-allowed;
    background: #f5f5f5;
}

.placement-card.disabled .visual-card.active {
    background: #f5f5f5;
    border-color: var(--border-color);
    box-shadow: none;
}

.placement-card.disabled .visual-card .icon-active,
.placement-card.disabled .visual-card .icon-inactive {
    opacity: 0.5;
}

/* ==================== 货物排序卡片位置调整 ==================== */

/* 货物排序卡片保持原来的单列布局，不跨列 */
/* .sorting-card不需要特殊样式，使用默认单列 */

/* ==================== 响应式：选位策略卡片 ==================== */

@media (max-width: 768px) {
    .placement-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .placement-visual-card {
        flex-direction: row;
        text-align: left;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .placement-illustration {
        height: 48px;
        width: 48px;
        flex-shrink: 0;
        margin-bottom: 0;
    }

    .placement-content {
        flex: 1;
    }

    .placement-content h4 {
        justify-content: flex-start;
    }

    /* 货物排序在移动端单列 */
    .sorting-card {
        grid-column: span 1;
    }
}


/* 装载策略卡片的特定图标画框调整 */
.strategy-cards .visual-illustration {
    height: 120px;
    padding: 10px;
}

.strategy-cards .visual-illustration svg {
    max-width: 200px;
}