/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.main-nav {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.main-nav .logo {
    font-size: 20px;
    font-weight: bold;
    color: #00447c;
    text-decoration: none;
}

.main-nav .nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav .nav-links a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.main-nav .nav-links a:hover {
    color: #00447c;
}

.main-nav .user-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.main-nav .user-actions a {
    color: #333;
    text-decoration: none;
    padding: 5px 15px;
    border-radius: 4px;
    transition: all 0.3s;
}

.main-nav .user-actions a:hover {
    background-color: #00447c;
    color: #fff;
}

/* 首页横幅 */
.home-banner {
    background: linear-gradient(135deg, #00447c 0%, #0062b1 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.home-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 200px;
    opacity: 0.3;
}

.banner-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.banner-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.search-box form {
    display: flex;
    background: #fff;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.search-input {
    flex: 1;
    padding: 15px 25px;
    border: none;
    font-size: 16px;
    outline: none;
}

.search-button {
    padding: 15px 40px;
    background-color: #00447c;
    color: #fff;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-button:hover {
    background-color: #002f56;
}

/* 功能卡片区域 */
.function-section {
    padding: 60px 0;
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.function-card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    color: #333;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.function-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 68, 124, 0.2);
}

.function-icon {
    color: #00447c;
    margin-bottom: 20px;
}

.function-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #00447c;
}

.function-card p {
    color: #666;
    font-size: 14px;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #00447c 0%, #0062b1 100%);
    color: #fff;
    padding: 40px 0;
}

.page-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.breadcrumb {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
}

.breadcrumb a {
    color: #fff;
    text-decoration: none;
}

/* 搜索栏 */
.search-bar {
    margin: 30px 0;
}

.search-bar form {
    display: flex;
    max-width: 600px;
}

.search-bar input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 14px;
}

.search-bar button {
    padding: 12px 30px;
    background-color: #00447c;
    color: #fff;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-bar button:hover {
    background-color: #002f56;
}

/* 筛选区域 */
.filter-section {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.filter-group {
    margin-bottom: 15px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group label {
    display: inline-block;
    min-width: 100px;
    font-weight: bold;
    color: #333;
}

.filter-options {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 6px 15px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.filter-btn:hover {
    background: #e8e8e8;
}

.filter-btn.active {
    background: #00447c;
    color: #fff;
    border-color: #00447c;
}

.filter-group select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

/* 结果统计 */
.result-stats {
    margin: 20px 0;
    color: #666;
}

.result-stats strong {
    color: #00447c;
    font-size: 18px;
}

/* 公告列表 */
.announcement-list {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.announcement-item {
    padding: 20px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.3s;
}

.announcement-item:hover {
    background-color: #f9f9f9;
}

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

.announcement-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.announcement-type {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    white-space: nowrap;
}

.type-bidding {
    background: #e8f5e9;
    color: #2e7d32;
}

.type-change {
    background: #fff3e0;
    color: #e65100;
}

.type-termination {
    background: #ffebee;
    color: #c62828;
}

.type-contract {
    background: #e3f2fd;
    color: #1565c0;
}

.type-acceptance {
    background: #f3e5f5;
    color: #6a1b9a;
}

.type-result {
    background: #e0f2f1;
    color: #00695c;
}

.type-other {
    background: #f5f5f5;
    color: #616161;
}

.announcement-header h3 {
    flex: 1;
    font-size: 18px;
}

.announcement-header h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.announcement-header h3 a:hover {
    color: #00447c;
}

.announcement-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

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

.favorite-btn {
    padding: 5px 15px;
    background: #fff;
    border: 1px solid #00447c;
    color: #00447c;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.favorite-btn:hover {
    background: #00447c;
    color: #fff;
}

/* 公告详情 */
.announcement-detail,
.report-detail {
    padding: 40px 0;
}

.detail-header {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.detail-header h1 {
    font-size: 28px;
    margin: 15px 0;
    color: #333;
}

.meta-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: #666;
    font-size: 14px;
    margin-top: 15px;
}

.detail-content,
.report-content {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.attachment-section,
.external-link-section,
.pdf-section {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.download-btn,
.external-link-btn {
    display: inline-block;
    padding: 10px 25px;
    background: #00447c;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.download-btn:hover,
.external-link-btn:hover {
    background: #002f56;
}

.external-link-btn {
    background: #1976d2;
    /* 蓝色，区别于下载按钮 */
}

.external-link-btn:hover {
    background: #1565c0;
}

/* 分类标签 */
.category-tabs {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.category-tabs .tab {
    padding: 8px 20px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.category-tabs .tab:hover {
    border-color: #00447c;
    color: #00447c;
}

.category-tabs .tab.active {
    background: #00447c;
    color: #fff;
    border-color: #00447c;
}

/* 报告表格 */
.report-table-wrapper {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
}

.report-table thead {
    background: #f5f5f5;
}

.report-table th {
    padding: 15px;
    text-align: left;
    font-weight: bold;
    color: #333;
    border-bottom: 2px solid #ddd;
}

.report-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.report-table tbody tr:hover {
    background: #f9f9f9;
}

.procurement-name {
    color: #333;
}

.report-table .actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    padding: 6px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.inline-form {
    margin: 0;
}

.inline-form .btn {
    appearance: none;
    display: inline-block;
    border: none;
    padding: 6px 15px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
    text-decoration: none;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.3s;
}

.btn-view {
    background: #4caf50;
    color: #fff;
}

.btn-view:hover {
    background: #45a049;
}

.btn-edit {
    background: #2196f3;
    color: #fff;
}

.btn-edit:hover {
    background: #1976d2;
}

.btn-delete {
    background: #d32f2f;
    color: #fff;
}

.btn-delete:hover {
    background: #b71c1c;
}

.no-data {
    text-align: center;
    color: #999;
    padding: 40px !important;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin: 30px 0;
}

.pagination a {
    padding: 8px 16px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.pagination a:hover {
    background: #00447c;
    color: #fff;
    border-color: #00447c;
}

.current-page,
.page-info {
    color: #666;
}

/* 页脚 */
.main-footer {
    background: #333;
    color: #fff;
    padding: 30px 0;
    text-align: center;
    margin-top: 60px;
}

.main-footer p {
    margin: 0;
}

/* 无结果提示 */
.no-results {
    text-align: center;
    padding: 40px;
    color: #999;
    background: #fff;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .function-grid {
        grid-template-columns: 1fr;
    }

    .main-nav .container {
        flex-direction: column;
        gap: 15px;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-subtitle {
        font-size: 18px;
    }

    .report-table-wrapper {
        overflow-x: auto;
    }
}

/* 登录提示样式 */
.login-prompt {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    border: 1px solid #ffd0d0;
    border-left: 4px solid #00447c;
    padding: 20px 25px;
    margin: 20px 0;
    border-radius: 8px;
    text-align: center;
}

.login-prompt p {
    color: #333;
    font-size: 16px;
    margin: 0;
}

.login-prompt a {
    color: #00447c;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s;
}

.login-prompt a:hover {
    color: #002f56;
    text-decoration: underline;
}

/* 操作按钮区域 */
.action-buttons {
    background: #fff;
    padding: 20px 30px;
    border-radius: 8px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.action-buttons .btn {
    padding: 10px 25px;
}

/* 报告信息区块 */
.report-info,
.report-summary {
    background: #fff;
    padding: 25px 30px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.report-info h3,
.report-summary h3 {
    color: #333;
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.report-category {
    display: inline-block;
    padding: 4px 12px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

/* 登录提示卡片样式 */
.login-prompt-card {
    background: linear-gradient(135deg, #fff 0%, #fef5f5 100%);
    border: 2px solid #f0f0f0;
    border-radius: 12px;
    padding: 40px 30px;
    margin: 30px auto;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 68, 124, 0.08);
}

.login-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.login-prompt-card h3 {
    color: #333;
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 600;
}

.login-prompt-card p {
    color: #666;
    font-size: 15px;
    margin-bottom: 25px;
    line-height: 1.6;
}

.login-btn {
    display: inline-block;
    background: #00447c;
    color: #fff;
    padding: 12px 40px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 68, 124, 0.3);
}

.login-btn:hover {
    background: #002f56;
    box-shadow: 0 6px 16px rgba(0, 68, 124, 0.4);
    transform: translateY(-2px);
}

/* 公告标签式展示 */
.announcement-item {
    background: #fff;
    border-radius: 8px;
    padding: 20px 25px;
    margin-bottom: 15px;
    border: 1px solid #e5e5e5;
    transition: all 0.3s ease;
}

.announcement-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: #00447c;
}

.announcement-title {
    margin: 0 0 12px 0;
    font-size: 18px;
}

.announcement-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s;
}

.announcement-title a:hover {
    color: #00447c;
}

.announcement-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
}

.tag-type {
    background: #ff9800;
    color: #fff;
}

.tag-type.type-bidding {
    background: #ff9800;
}

.tag-type.type-change {
    background: #2196f3;
}

.tag-type.type-termination {
    background: #f44336;
}

.tag-type.type-contract {
    background: #4caf50;
}

.tag-type.type-acceptance {
    background: #9c27b0;
}

.tag-type.type-result {
    background: #00bcd4;
}

.tag-type.type-other {
    background: #ff9800;
}

.tag-category {
    background: #e3f2fd;
    color: #1976d2;
}

.tag-amount {
    background: #ffebee;
    color: #c62828;
    font-weight: 600;
}

.tag-region {
    background: #e8f5e9;
    color: #388e3c;
}

.tag-info {
    background: #f5f5f5;
    color: #555;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 公告列表头部样式（标题+日期） */
.announcement-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.announcement-item .announcement-title {
    margin-bottom: 0;
    margin-right: 20px;
    flex: 1;
}

.announcement-date {
    font-size: 14px;
    color: #999;
    white-space: nowrap;
    padding-top: 4px;
    /* 微调对齐 */
}