/* 地矿内参 - 样式文件 */
/* 科技蓝渐变 + 地矿元素风格 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1a4b8c;
    --primary-light: #2d7dd2;
    --primary-dark: #0d2b4f;
    --accent-gold: #d4a84b;
    --text-dark: #333;
    --text-light: #fff;
    --bg-light: #f5f7fa;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    min-height: 100vh;
}

/* ==================== 顶部导航栏 ==================== */
.header {
    background: transparent;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header.scrolled .logo-text {
    color: var(--primary-dark);
}

.header.scrolled .nav-item {
    color: var(--text-dark);
}

.header.scrolled .nav-item:hover {
    background: rgba(26, 75, 140, 0.1);
    color: var(--primary-blue);
}

.header.scrolled .nav-item.active {
    background: var(--primary-blue);
    color: white;
}

.header.scrolled .notification {
    color: var(--text-dark);
}

.header.scrolled .user-info {
    color: var(--text-dark);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: "STXingkai", "华文行楷", "KaiTi", serif;
    font-size: 22px;
    font-weight: bold;
    color: var(--text-light);
    letter-spacing: 2px;
}

.main-nav {
    display: flex;
    gap: 5px;
}

.nav-item {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 15px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-light);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.notification {
    position: relative;
    color: var(--text-light);
    cursor: pointer;
}

.notification i {
    font-size: 20px;
}

.notification .badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #e74c3c;
    color: white;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 10px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    cursor: pointer;
}

.user-info i {
    font-size: 24px;
}

/* ==================== Banner区域 ==================== */
.banner {
    position: relative;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-blue) 50%, var(--primary-dark) 100%);
    min-height: 570px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.banner-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 40px 20px;
}

.banner-title {
    font-size: 48px;
    color: var(--text-light);
    font-weight: bold;
    letter-spacing: 8px;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    letter-spacing: 4px;
}

.search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.search-btn {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-blue));
}

.hot-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tag-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.tag {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

/* Banner装饰元素 */
.banner-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.geo-element {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.geo-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    left: -100px;
    animation: float 8s ease-in-out infinite;
}

.geo-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    right: 10%;
    animation: float 6s ease-in-out infinite reverse;
}

.geo-3 {
    width: 150px;
    height: 150px;
    top: 20%;
    right: 5%;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ==================== 主内容区域 ==================== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
    min-height: 400px;
}

/* 通用区块样式 */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 20px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--primary-blue);
}

.section-date {
    color: #888;
    font-size: 14px;
}

.view-all {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.view-all:hover {
    color: var(--primary-light);
}

/* ==================== 今日简报区 ==================== */
.daily-briefing {
    margin-bottom: 40px;
}

/* 居中标题样式 */
.section-header-center {
    text-align: center;
    margin-bottom: 30px;
}

.section-title-hero {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 6px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-date-large {
    font-size: 16px;
    color: #888;
    letter-spacing: 2px;
}

.view-all-center {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 14px;
    margin-top: 10px;
}

.view-all-center:hover {
    color: var(--primary-light);
}

.briefing-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.briefing-content {
    padding: 25px;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 15px;
}

.briefing-text {
    color: #555;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 20px;
}

.briefing-text strong {
    color: var(--primary-dark);
}

.briefing-actions {
    display: flex;
    gap: 12px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 75, 140, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
}

/* ==================== 知识库上传区 ==================== */
.knowledge-upload-section {
    margin-bottom: 30px;
}

.upload-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: 12px;
    padding: 25px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(26, 75, 140, 0.3);
}

.upload-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.upload-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.upload-info h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 5px;
}

.upload-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.upload-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-upload {
    background: white;
    color: var(--primary-blue);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-upload:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.link-manage {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.link-manage:hover {
    color: white;
}

/* ==================== 智能预警区 ==================== */
.alert-section {
    margin-bottom: 30px;
}

.alert-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-item {
    background: white;
    border-radius: 10px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.alert-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.alert-item.alert-urgent {
    border-left-color: #e74c3c;
}

.alert-item.alert-important {
    border-left-color: #f39c12;
}

.alert-item.alert-normal {
    border-left-color: #3498db;
}

.alert-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.alert-urgent .alert-icon {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.alert-important .alert-icon {
    background: rgba(243, 156, 18, 0.1);
    color: #f39c12;
}

.alert-normal .alert-icon {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
}

.alert-content {
    flex: 1;
}

.alert-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 5px;
}

.alert-tag.urgent {
    background: #e74c3c;
    color: white;
}

.alert-tag.important {
    background: #f39c12;
    color: white;
}

.alert-tag.normal {
    background: #3498db;
    color: white;
}

.alert-content h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.alert-content p {
    font-size: 13px;
    color: #888;
}

.alert-time {
    color: #aaa;
    font-size: 13px;
    white-space: nowrap;
}

/* ==================== 分类内容模块 ==================== */
.category-section {
    margin-bottom: 30px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.category-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.category-header i {
    font-size: 20px;
    color: var(--primary-blue);
}

.category-header h3 {
    font-size: 16px;
    color: var(--text-dark);
}

.category-list {
    list-style: none;
}

.category-list li {
    padding: 10px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    color: #555;
    text-decoration: none;
    font-size: 14px;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 10px;
}

.category-list a:hover {
    color: var(--primary-blue);
}

.category-list .date {
    color: #aaa;
    font-size: 12px;
    white-space: nowrap;
}

/* 列表项操作区 */
.item-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.btn-collect {
    background: none;
    border: none;
    color: #ccc;
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    transition: all 0.3s ease;
}

.btn-collect:hover {
    color: var(--accent-gold);
    transform: scale(1.2);
}

.btn-collect.collected {
    color: var(--accent-gold);
}

.category-more {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 5px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 13px;
    margin-top: 12px;
}

.category-more:hover {
    color: var(--primary-light);
}

/* ==================== 快捷功能入口 ==================== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.action-card {
    background: white;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    cursor: pointer;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.action-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 24px;
    color: white;
}

.action-card h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.action-card p {
    font-size: 13px;
    color: #888;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 20px;
    font-size: 14px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== 决策深度建议 ==================== */
.expert-advice {
    margin-bottom: 50px;
    padding: 40px 0;
    background: rgba(26, 75, 140, 0.03);
    border-radius: 20px;
}

.advice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.advice-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-blue);
    display: flex;
    flex-direction: column;
}

.advice-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.advice-tag {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(26, 75, 140, 0.1);
    color: var(--primary-blue);
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    align-self: flex-start;
}

.advice-card h4 {
    font-size: 17px;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.advice-text {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.advice-more {
    font-size: 13px;
    color: var(--primary-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
}

.advice-more:hover {
    text-decoration: underline;
}

/* ==================== 协同平台与外部资源 ==================== */
.related-resources {
    margin-bottom: 40px;
    padding: 20px 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.resources-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.resource-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.group-label {
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-dark);
    white-space: nowrap;
}

.group-links {
    display: flex;
    gap: 20px;
}

.group-links a {
    font-size: 14px;
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.group-links a:hover {
    color: var(--primary-blue);
}

.group-links i {
    color: var(--primary-blue);
}

@media (max-width: 992px) {
    .advice-grid {
        grid-template-columns: 1fr;
    }
    .resources-container {
        flex-direction: column;
        align-items: flex-start;
    }
}