/* ===== 政策指南页面专用样式 ===== */

/* A1. 页面基础布局 */
.policy-guide-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-sm) 0;
}

.policy-section {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    box-shadow: 0 2px 8px var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.policy-section:hover {
    box-shadow: 0 4px 16px var(--shadow-md);
}

.policy-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--text-color);
    line-height: 1.4;
}

.policy-section-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

/* A2. 纵向政策时间轴样式 */
.policy-timeline {
    position: relative;
    padding: var(--space-md) 0 var(--space-md) 30px;
    margin: var(--space-md) 0;
}

.policy-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #74b9ff, #0984e3, #74b9ff);
    border-radius: 2px;
}

.policy-timeline-node {
    position: relative;
    padding: 0 0 var(--space-xl) var(--space-lg);
    animation: timelineNodeIn 0.5s ease-out forwards;
    opacity: 0;
}

.policy-timeline-node:last-child {
    padding-bottom: 0;
}

@keyframes timelineNodeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-node-dot {
    position: absolute;
    left: -26px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--bg-card);
    border: 3px solid #0984e3;
    border-radius: var(--border-radius-full);
    z-index: 2;
    transition: all var(--transition-normal);
    box-shadow: 0 0 0 3px rgba(9, 132, 227, 0.15);
}

.policy-timeline-node:hover .timeline-node-dot {
    transform: scale(1.25);
    box-shadow: 0 0 0 5px rgba(9, 132, 227, 0.25);
    background: #0984e3;
}

.policy-timeline-node.important .timeline-node-dot {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

.policy-timeline-node.important:hover .timeline-node-dot {
    box-shadow: 0 0 0 5px rgba(231, 76, 60, 0.3);
    background: #e74c3c;
}

.timeline-node-time {
    font-size: 12px;
    font-weight: 600;
    color: #0984e3;
    margin-bottom: var(--space-xs);
    display: inline-block;
    background: rgba(9, 132, 227, 0.08);
    padding: 2px 10px;
    border-radius: 10px;
}

.policy-timeline-node.important .timeline-node-time {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

.timeline-node-info {
    background: var(--bg-card);
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.timeline-node-info:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 8px var(--shadow-sm);
    border-color: #74b9ff;
}

.policy-timeline-node.important .timeline-node-info {
    border-left: 3px solid #e74c3c;
}

.timeline-node-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--space-xs);
}

.timeline-node-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* A3. 政策卡片样式 */
.policy-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    box-shadow: 0 2px 8px var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
}

.policy-card:last-child {
    margin-bottom: 0;
}

.policy-card:hover {
    box-shadow: 0 4px 16px var(--shadow-md);
    transform: translateY(-2px);
}

.policy-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--space-md);
    padding-left: var(--space-md);
    border-left: 4px solid #0984e3;
    line-height: 1.4;
}

.policy-card-body {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.policy-card-body p {
    margin-bottom: var(--space-sm);
}

.policy-card-body p:last-child {
    margin-bottom: 0;
}

.policy-card.highlight {
    background: linear-gradient(135deg, #fff9e6, #fff3cc);
    border-color: #ffd699;
    border-left: 4px solid #f39c12;
}

.policy-card.highlight .policy-card-title {
    border-left-color: #f39c12;
    color: #8b6914;
}

.policy-card.highlight .policy-card-body {
    color: #6b5210;
}

/* A4. 表格样式 */
.policy-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-md) 0;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.policy-table th {
    background: #333;
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
}

.policy-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    line-height: 1.5;
}

.policy-table tr:nth-child(even) td {
    background: #f9f9f9;
}

.policy-table tr:hover td {
    background: #eef5ff;
}

.policy-table tr:last-child td {
    border-bottom: none;
}

/* A5. 提示框样式 */
.policy-tip,
.policy-warning,
.policy-important {
    border-radius: var(--border-radius-sm);
    padding: var(--space-md) var(--space-md) var(--space-md) 44px;
    margin: var(--space-md) 0;
    position: relative;
    font-size: 14px;
    line-height: 1.7;
}

.policy-tip::before,
.policy-warning::before,
.policy-important::before {
    position: absolute;
    left: 14px;
    top: 14px;
    font-size: 18px;
    font-weight: 600;
}

.policy-tip {
    background: #e8f4fd;
    border: 1px solid #b3ddfb;
    color: #1a5276;
}

.policy-tip::before {
    content: 'ℹ';
    color: #0984e3;
}

.policy-warning {
    background: #fef9e7;
    border: 1px solid #f9e79f;
    color: #7d6608;
}

.policy-warning::before {
    content: '⚠';
    color: #f39c12;
}

.policy-important {
    background: #fdedec;
    border: 1px solid #f5b7b1;
    color: #922b21;
}

.policy-important::before {
    content: '❗';
    color: #e74c3c;
}

/* A6. 其他样式 */
.policy-tab-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 4px;
    background: #f0f4f8;
    border-radius: 14px;
    margin-bottom: var(--space-md);
}

.policy-tab {
    flex: 1;
    min-width: 40px;
    padding: 8px 6px;
    border: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: #5a7199;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.policy-tab:hover {
    color: #2a3b5c;
    background: rgba(255,255,255,0.5);
}

.policy-tab.active {
    color: #fff;
    background: #0984e3;
    box-shadow: 0 2px 8px rgba(9,132,227,0.3);
}

.policy-tab.timeline-btn {
    color: #e67e22;
    font-size: 12px;
}

.policy-tab.timeline-btn:hover {
    background: rgba(230,126,34,0.1);
}

.policy-tab.timeline-btn.active {
    background: #e67e22;
    color: #fff;
    box-shadow: 0 2px 8px rgba(230,126,34,0.3);
}

.policy-tab-content {
    display: none;
    animation: tabFadeIn 0.3s ease;
}

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

@keyframes tabFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.policy-highlight-box {
    background: linear-gradient(135deg, #eef5ff, #e0ecff);
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    border-left: 4px solid #0984e3;
    font-size: 14px;
    color: #1a5276;
    line-height: 1.7;
}

.policy-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 12px;
    margin: 0 4px 4px 0;
    background: #e8f0fe;
    color: #1967d2;
    white-space: nowrap;
}

.policy-tag.important-tag {
    background: #fce8e6;
    color: #d93025;
}

.policy-tag.local-tag {
    background: #e6f4ea;
    color: #1e8e3e;
}

.policy-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-lg) 0;
    border: none;
}

/* 页面介绍区 */
.policy-guide-intro {
    text-align: center;
    padding: var(--space-lg);
    background: linear-gradient(135deg, #ebf5fb, #d6eaf8);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-md);
}

.policy-guide-intro .intro-icon {
    font-size: 48px;
    margin-bottom: var(--space-sm);
}

.policy-guide-intro .intro-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--space-sm);
}

.policy-guide-intro .intro-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 响应式适配 */
@media (max-width: 480px) {
    .policy-guide-content {
        gap: var(--space-md);
    }

    .policy-section {
        padding: var(--space-md);
        border-radius: var(--border-radius-sm);
    }

    .policy-section-title {
        font-size: 16px;
    }

    .policy-section-desc {
        font-size: 13px;
    }

    .policy-timeline {
        padding-left: 24px;
    }

    .policy-timeline-node {
        padding-left: var(--space-md);
        padding-bottom: var(--space-md);
    }

    .timeline-node-dot {
        left: -22px;
        width: 12px;
        height: 12px;
    }

    .timeline-node-time {
        font-size: 11px;
    }

    .timeline-node-info {
        padding: var(--space-sm);
    }

    .timeline-node-title {
        font-size: 14px;
    }

    .timeline-node-desc {
        font-size: 12px;
    }

    .policy-card {
        padding: var(--space-md);
    }

    .policy-card-title {
        font-size: 15px;
    }

    .policy-table {
        font-size: 12px;
    }

    .policy-table th,
    .policy-table td {
        padding: 8px 10px;
    }

    .policy-tip,
    .policy-warning,
    .policy-important {
        padding: var(--space-sm) var(--space-sm) var(--space-sm) 38px;
        font-size: 13px;
    }

    .policy-tip::before,
    .policy-warning::before,
    .policy-important::before {
        left: 12px;
        top: 12px;
        font-size: 16px;
    }

    .policy-highlight-box {
        padding: var(--space-sm);
        font-size: 13px;
    }

    .policy-guide-intro {
        padding: var(--space-md);
    }

    .policy-guide-intro .intro-icon {
        font-size: 36px;
    }

    .policy-guide-intro .intro-title {
        font-size: 17px;
    }

    .policy-guide-intro .intro-desc {
        font-size: 13px;
    }

    .policy-tab-bar {
        gap: 4px;
        padding: 3px;
        border-radius: 12px;
    }

    .policy-tab {
        font-size: 12px;
        padding: 6px 4px;
        border-radius: 8px;
        min-width: 32px;
    }

    .policy-tab.timeline-btn {
        font-size: 11px;
    }
}