/**
 * gn2099.css - 光年2099航天主题风格
 * 优化导航栏样式
 */

/* ========== 全局重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.gn-body {
    background: #eef2f9;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    color: #1a2a3f;
    line-height: 1.5;
    padding-top: 70px;
}

/* ========== 导航栏 ========== */
.gn-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1030;
    background: #2B6CB0;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.gn-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    height: 70px;
}

/* Logo - 只显示图片 */
.gn-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.gn-logo img {
    height: 45px;
    width: auto;
    max-height: 45px;
    transition: transform 0.2s;
}

.gn-logo img:hover {
    transform: scale(1.02);
}

/* 主导航菜单 - 一级菜单区分明显 */
.gn-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.gn-menu > li {
    position: relative;
    list-style: none;
}

/* 一级菜单样式 - 浅色背景，有区分度 */
.gn-menu > li > a {
    display: inline-block;
    padding: 8px 20px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 30px;
    transition: all 0.25s;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.08);
    margin: 0 2px;
    letter-spacing: 1px;
}

/* 一级菜单悬停效果 - 更明显的区分 */
.gn-menu > li > a:hover {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* 一级菜单激活状态 */
.gn-menu > li.active > a {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 二级下拉菜单 - 深色背景更好看 */
.gn-menu .sub-menu {
    position: absolute;
    top: 42px;
    left: 0;
    min-width: 200px;
    background: linear-gradient(135deg, #1a2a4a 0%, #16223e 100%);
    border-radius: 12px;
    padding: 8px 0;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    list-style: none;
    z-index: 100;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.gn-menu > li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.gn-menu .sub-menu li {
    list-style: none;
    margin: 0;
}

.gn-menu .sub-menu li a {
    display: block;
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    transition: all 0.2s;
    text-decoration: none;
    font-weight: 500;
}

.gn-menu .sub-menu li a:hover {
    background: #f97316;
    color: white;
    padding-left: 28px;
}

/* 右侧功能区 */
.gn-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 移动端菜单按钮 */
.gn-mobile-toggle {
    display: none;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
}

.gn-mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 响应式 */
@media (max-width: 1100px) {
    .gn-menu > li > a {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

@media (max-width: 992px) {
    .gn-mobile-toggle {
        display: flex;
    }
    
    .gn-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, #0b5cd6 0%, #1e6be6 100%);
        flex-direction: column;
        padding: 20px;
        transition: left 0.3s ease;
        gap: 5px;
        overflow-y: auto;
    }
    
    .gn-menu.show {
        left: 0;
    }
    
    /* 移动端一级菜单样式 */
    .gn-menu > li > a {
        background: rgba(255, 255, 255, 0.1);
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
    }
    
    .gn-menu > li > a:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: none;
    }
    
    /* 移动端二级菜单 */
    .gn-menu .sub-menu {
        position: static;
        background: rgba(255, 255, 255, 0.1);
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        padding-left: 20px;
        margin-top: 5px;
        border: none;
    }
    
    .gn-menu > li:hover .sub-menu {
        display: block;
    }
    
    .gn-menu .sub-menu li a {
        color: rgba(255, 255, 255, 0.85);
        padding: 8px 16px;
    }
    
    .gn-menu .sub-menu li a:hover {
        background: #f97316;
        color: white;
        padding-left: 24px;
    }
}

@media (max-width: 576px) {
    .gn-nav-inner {
        padding: 0 15px;
    }
    .gn-logo img {
        height: 36px;
    }
}

/* ========== 返回顶部 ========== */
#backTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: #0b5cd6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#backTop.show {
    opacity: 1;
    visibility: visible;
}

#backTop:hover {
    background: #f97316;
    transform: translateY(-3px);
}

/* ========== 以下为首页其他样式 ========== */

/* 容器 */
.gn-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 轮播图 */
.gn-hero-slider {
    margin-top: 0;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.gn-swiper-hero {
    height: 500px;
}

.gn-swiper-slide {
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.gn-slide-content {
    max-width: 600px;
    margin-left: 10%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 30px 40px;
    border-radius: 24px;
    color: white;
}

.gn-slide-tag {
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 12px;
    color: #38bdf8;
}

.gn-slide-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.gn-slide-sub {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 24px;
}

.gn-slide-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f97316;
    padding: 10px 28px;
    border-radius: 40px;
    color: white;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.gn-slide-btn:hover {
    background: #ea580c;
    gap: 12px;
    color: white;
}

.gn-swiper-button-next,
.gn-swiper-button-prev {
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    color: white;
}

/* 通用模块 */
.gn-section {
    padding: 60px 0;
}

.gn-section-dark {
    background: #0f172a;
    color: #e2e8f0;
}

.gn-section-light {
    background: #ffffff;
}

.gn-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.gn-section-icon {
    font-size: 2rem;
    color: #0b5cd6;
    margin-bottom: 12px;
}

.gn-section-dark .gn-section-icon {
    color: #38bdf8;
}

.gn-section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f172a;
}

.gn-section-dark .gn-section-title {
    color: white;
}

.gn-section-subtitle {
    color: #64748b;
    font-size: 0.95rem;
}

.gn-section-dark .gn-section-subtitle {
    color: #94a3b8;
}

.gn-section-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0b5cd6, #38bdf8);
    margin: 16px auto 0;
    border-radius: 3px;
}

/* 卡片网格 */
.gn-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.gn-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.gn-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
}

.gn-card-img-wrapper {
    height: 200px;
    overflow: hidden;
}

.gn-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.gn-card:hover .gn-card-img {
    transform: scale(1.05);
}

.gn-card-body {
    padding: 20px;
}

.gn-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.gn-card-title a {
    color: #0f172a;
    text-decoration: none;
}

.gn-card-title a:hover {
    color: #0b5cd6;
}

.gn-card-text {
    color: #475569;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.gn-card-meta {
    display: flex;
    gap: 16px;
    font-size: 0.75rem;
    color: #94a3b8;
    margin-bottom: 12px;
}

.gn-more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #0b5cd6;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
}

.gn-more-link:hover {
    gap: 10px;
    color: #f97316;
}

/* 按钮 */
.gn-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    border: 2px solid #0b5cd6;
    border-radius: 40px;
    color: #0b5cd6;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.gn-btn-outline:hover {
    background: #0b5cd6;
    color: white;
    gap: 12px;
}

.gn-section-dark .gn-btn-outline {
    border-color: #38bdf8;
    color: #38bdf8;
}

.gn-section-dark .gn-btn-outline:hover {
    background: #38bdf8;
    color: #0f172a;
}

.gn-section-more {
    text-align: center;
    margin-top: 40px;
}

/* 时间轴 */
.gn-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.gn-timeline-item {
    display: flex;
    gap: 24px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.gn-timeline-date {
    min-width: 100px;
    font-weight: 700;
    color: #38bdf8;
}

.gn-timeline-content h4 a {
    color: white;
    text-decoration: none;
}

.gn-timeline-content h4 a:hover {
    color: #38bdf8;
}

.gn-timeline-content p {
    color: #94a3b8;
    font-size: 0.85rem;
    margin-top: 8px;
}

.gn-tag {
    background: rgba(56, 189, 248, 0.2);
    color: #38bdf8;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    display: inline-block;
    margin-top: 10px;
}

/* 创意卡片 */
.gn-creative-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.gn-creative-card {
    position: relative;
    height: 280px;
    border-radius: 24px;
    overflow: hidden;
}

.gn-creative-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s;
}

.gn-creative-card:hover .gn-creative-bg {
    transform: scale(1.08);
}

.gn-creative-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.2));
}

.gn-creative-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: white;
}

.gn-creative-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.gn-creative-content p {
    font-size: 0.8rem;
    opacity: 0.8;
}

.gn-creative-link {
    color: #f97316;
    margin-top: 12px;
    display: inline-block;
    text-decoration: none;
}

/* 计数器 */
.gn-section-counter {
    background: linear-gradient(135deg, #0b5cd6, #3b82f6);
    color: white;
    text-align: center;
    padding: 60px 0;
}

.gn-counter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.gn-counter-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.gn-counter-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 合作伙伴 */
.gn-section-partners {
    background: #f8fafc;
    padding: 40px 0;
}

.gn-partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.gn-partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #64748b;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.gn-partner-item:hover {
    color: #0b5cd6;
    transform: translateY(-3px);
}

/* 底部 */
.gn-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 50px 0 20px;
}

.gn-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.gn-footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.gn-footer-links a {
    display: block;
    color: #94a3b8;
    margin-bottom: 12px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.gn-footer-links a:hover {
    color: #38bdf8;
    padding-left: 6px;
}

.gn-copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #1e293b;
    margin-top: 40px;
    font-size: 0.8rem;
}

/* 响应式 */
@media (max-width: 992px) {
    .gn-entries-grid,
    .gn-creative-grid,
    .gn-counter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gn-swiper-hero {
        height: 400px;
    }
    .gn-slide-content {
        margin-left: 5%;
        margin-right: 5%;
        padding: 20px 24px;
    }
    .gn-slide-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .gn-entries-grid,
    .gn-creative-grid,
    .gn-counter-grid {
        grid-template-columns: 1fr;
    }
    .gn-card-grid {
        grid-template-columns: 1fr;
    }
    .gn-section {
        padding: 40px 0;
    }
    .gn-container {
        padding: 0 15px;
    }
}

/* ========== 左侧边栏额外样式 ========== */
.gn-hot-list li .gn-hot-num {
    transition: transform 0.2s ease;
}

.gn-top-list li a i {
    margin-right: 8px;
    color: #f97316;
    font-size: 0.7rem;
}

.gn-sidebar-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gn-sidebar-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.gn-sidebar-header i {
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.gn-hot-1, .gn-hot-2, .gn-hot-3 {
    animation: pulse 2s ease infinite;
}

.gn-hot-2 { animation-delay: 0.3s; }
.gn-hot-3 { animation-delay: 0.6s; }

/* ========== 列表页样式 ========== */

/* 栏目大图 */
.gn-category-banner {
    margin-top: 0;
    position: relative;
    width: 100%;
    height: 320px;
    overflow: hidden;
}

.gn-category-bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
}

.gn-category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.gn-category-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    width: 100%;
    padding: 0 20px;
}

.gn-category-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.gn-category-desc {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.gn-category-line {
    width: 60px;
    height: 3px;
    background: #f97316;
    margin: 20px auto 0;
    border-radius: 3px;
}

/* 面包屑 + 二级栏目 同行左右布局 */
.gn-breadcrumb-wrap {
    background: #f8fafc;
    padding: 14px 0;
    border-bottom: 1px solid #e2e8f0;
}

.gn-breadcrumb-row {
    display: flex;
    justify-content: center;/* 改成 center 或 space-around */
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* 左侧面包屑 - 垂直居中 */
.gn-breadcrumb {
    font-size: 0.85rem;
    color: #64748b;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.gn-breadcrumb i {
    margin-right: 6px;
}

.gn-breadcrumb a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}

.gn-breadcrumb a:hover {
    color: #0b5cd6;
}

.gn-breadcrumb .fa-angle-right {
    margin: 0 8px;
    font-size: 0.7rem;
}

.gn-breadcrumb span {
    color: #0b5cd6;
    font-weight: 500;
}

/* 右侧二级栏目 - 左边显示 */
.gn-subcategory-horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: left;
    align-items: left;
}

.gn-subcategory-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 24px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.25s;
}

.gn-subcategory-item i {
    font-size: 0.85rem;
}

.gn-subcategory-item:hover {
    background: #0b5cd6;
    color: white;
    transform: translateY(-2px);
}

.gn-subcategory-item.active {
    background: #0b5cd6;
    color: white;
    box-shadow: 0 4px 12px rgba(11, 92, 214, 0.35);
}

/* 响应式：手机端改为上下布局 */
@media (max-width: 768px) {
    .gn-breadcrumb-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .gn-subcategory-horizontal {
        justify-content: flex-start;
    }
}

/* 左右布局 */
.gn-list-layout {
    padding: 50px 0;
    background: #f8fafc;
}

.gn-row {
    display: flex;
    gap: 40px;
}

/* 左侧边栏 */
.gn-sidebar {
    width: 320px;
    flex-shrink: 0;
}

.gn-sidebar-card {
    background: white;
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gn-sidebar-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.gn-sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 15px;
    margin-bottom: 15px;
    border-bottom: 2px solid #e2e8f0;
}

.gn-sidebar-header i {
    font-size: 1.2rem;
    color: #0b5cd6;
}

.gn-sidebar-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0f172a;
    margin: 0;
}

/* 精选推荐列表 - 无日期，更宽 */
.gn-top-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.gn-top-list li {
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
}

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

.gn-top-list li a {
    display: block;
    color: #334155;
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: color 0.2s;
}

.gn-top-list li a:hover {
    color: #0b5cd6;
    padding-left: 5px;
}

.gn-top-list li a i {
    margin-right: 10px;
    color: #f97316;
    font-size: 0.75rem;
}

/* 热门列表 */
.gn-hot-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.gn-hot-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
}

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

.gn-hot-num {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #64748b;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.gn-hot-list li:hover .gn-hot-num {
    transform: scale(1.1);
}

.gn-hot-1 {
    background: #f97316;
    color: white;
}

.gn-hot-2 {
    background: #f59e0b;
    color: white;
}

.gn-hot-3 {
    background: #eab308;
    color: white;
}

.gn-hot-list li a {
    flex: 1;
    color: #334155;
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gn-hot-list li a:hover {
    color: #0b5cd6;
}

.gn-hot-views {
    font-size: 0.7rem;
    color: #94a3b8;
    flex-shrink: 0;
}

/* 右侧主内容 */
.gn-main-content {
    flex: 1;
}

.gn-list-article {
    display: flex;
    gap: 25px;
    background: white;
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.gn-list-article:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.gn-list-article-img {
    flex-shrink: 0;
    width: 240px;
    height: 160px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.gn-list-article-img a {
    display: block;
    width: 100%;
    height: 100%;
}

.gn-list-article-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.gn-list-article:hover .gn-list-article-img img {
    transform: scale(1.05);
}

.gn-list-article-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 92, 214, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.gn-list-article-img:hover .gn-list-article-overlay {
    opacity: 1;
}

.gn-list-article-overlay i {
    color: white;
    font-size: 2rem;
}

.gn-list-article-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 标题区域 */
.gn-list-article-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.gn-list-article-title a {
    color: #0f172a;
    text-decoration: none;
    transition: color 0.2s;
}

.gn-list-article-title a:hover {
    color: #0b5cd6;
}

/* 属性标签 - 更大更明显 */
.gn-article-flags {
    display: inline-flex;
    gap: 8px;
}

.gn-flag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.gn-flag-top {
    background: #f97316;
    color: white;
    box-shadow: 0 2px 4px rgba(249, 115, 22, 0.3);
}

.gn-flag-headline {
    background: #ef4444;
    color: white;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.gn-flag-recommend {
    background: #0b5cd6;
    color: white;
    box-shadow: 0 2px 4px rgba(11, 92, 214, 0.3);
}

.gn-list-article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 0.75rem;
    color: #94a3b8;
}

.gn-list-article-meta i {
    margin-right: 5px;
}

.gn-list-article-desc {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 18px;
    font-size: 0.9rem;
}

/* 阅读全文按钮 - 天蓝色渐变，悬停变橙色 */
.gn-list-article-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 130px;
    padding: 10px 0;
    background: linear-gradient(135deg, #0b5cd6, #1e6be6);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    border-radius: 40px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(11, 92, 214, 0.3);
}

.gn-list-article-more:hover {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
    text-decoration: none;
}

/* 空状态 */
.gn-empty {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: 20px;
}

.gn-empty i {
    font-size: 4rem;
    color: #cbd5e1;
    margin-bottom: 16px;
}

.gn-empty p {
    color: #94a3b8;
    font-size: 1rem;
}

.gn-empty-item {
    color: #94a3b8;
    font-size: 0.85rem;
    text-align: center;
    padding: 20px 0;
}

/* 分页样式 */
.gn-pagination-wrap {
    text-align: center;
    margin-top: 30px;
}

.gn-pagination-wrap .pagination {
    display: inline-flex;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.gn-pagination-wrap .pagination li {
    display: inline-block;
}

.gn-pagination-wrap .pagination li a,
.gn-pagination-wrap .pagination li span {
    display: inline-block;
    padding: 8px 14px;
    background: white;
    color: #475569;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid #e2e8f0;
}

.gn-pagination-wrap .pagination li a:hover,
.gn-pagination-wrap .pagination li.active span {
    background: #0b5cd6;
    color: white;
    border-color: #0b5cd6;
}

.gn-pagination-wrap .pagination li.disabled span {
    background: #f1f5f9;
    color: #cbd5e1;
    cursor: not-allowed;
}

/* 响应式 */
@media (max-width: 992px) {
    .gn-row {
        flex-direction: column;
    }
    
    .gn-sidebar {
        width: 100%;
        order: 2;
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .gn-sidebar-card {
        width: calc(50% - 7.5px);
        margin-bottom: 0;
    }
    
    .gn-main-content {
        order: 1;
    }
}

@media (max-width: 768px) {
    .gn-category-banner {
        height: 240px;
    }
    
    .gn-category-title {
        font-size: 1.8rem;
    }
    
    .gn-list-article {
        flex-direction: column;
        padding: 16px;
    }
    
    .gn-list-article-img {
        width: 100%;
        height: 200px;
    }
    
    .gn-list-article-title {
        font-size: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .gn-list-article-more {
        width: 120px;
        padding: 8px 0;
    }
    
    .gn-sidebar-card {
        width: 100%;
    }
    
    .gn-subcategory-item {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .gn-category-title {
        font-size: 1.4rem;
    }
    
    .gn-category-desc {
        font-size: 0.8rem;
    }
    
    .gn-breadcrumb {
        font-size: 0.75rem;
    }
    
    .gn-list-article-meta {
        flex-wrap: wrap;
        gap: 12px;
    }
}


/* ========== 详情页样式 ========== */

/* 详情页卡片 */
.gn-detail-card {
    background: white;
    border-radius: 24px;
    padding: 35px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
}

/* 文章头部 */
.gn-detail-header {
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 25px;
    margin-bottom: 30px;
}

.gn-detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.4;
    margin-bottom: 16px;
}

.gn-detail-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: #94a3b8;
}

.gn-detail-meta i {
    margin-right: 6px;
    color: #0b5cd6;
}

.gn-article-flags-detail {
    display: inline-flex;
    gap: 8px;
    margin-left: 10px;
}

/* 文章内容 */
.gn-detail-content {
    font-size: 1rem;
    line-height: 1.8;
    color: #334155;
}

.gn-detail-content h1,
.gn-detail-content h2,
.gn-detail-content h3 {
    margin: 30px 0 15px;
    color: #0f172a;
}

.gn-detail-content h2 {
    font-size: 1.5rem;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.gn-detail-content h3 {
    font-size: 1.25rem;
}

.gn-detail-content p {
    margin-bottom: 20px;
}

.gn-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.gn-detail-content ul,
.gn-detail-content ol {
    margin: 15px 0 20px 25px;
}

.gn-detail-content li {
    margin: 8px 0;
}

.gn-detail-content blockquote {
    background: #f1f5f9;
    border-left: 4px solid #0b5cd6;
    padding: 16px 24px;
    margin: 20px 0;
    border-radius: 12px;
    color: #475569;
    font-style: italic;
}

.gn-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.gn-detail-content th,
.gn-detail-content td {
    border: 1px solid #e2e8f0;
    padding: 10px;
    text-align: left;
}

.gn-detail-content th {
    background: #f1f5f9;
    font-weight: 600;
}

.gn-detail-content code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.85em;
}

/* 上下篇导航 - 美化版 */
.gn-detail-pager {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding: 30px 0;
    margin: 30px 0 20px;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.gn-detail-pager-prev,
.gn-detail-pager-next {
    flex: 1;
    background: #f8fafc;
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s ease;
}

.gn-detail-pager-prev:hover,
.gn-detail-pager-next:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
}

.gn-pager-label {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.gn-pager-label i {
    font-size: 0.6rem;
}

.gn-pager-link {
    display: block;
    text-decoration: none;
}

.gn-pager-title {
    color: #0f172a;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.2s;
}

.gn-pager-link:hover .gn-pager-title {
    color: #0b5cd6;
}

.gn-pager-date {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-top: 8px;
}

.gn-pager-none {
    color: #cbd5e1;
    font-size: 0.85rem;
}

.gn-detail-pager-next {
    text-align: right;
}

/* 返回列表按钮 */
.gn-detail-back {
    text-align: center;
    margin-top: 20px;
}

.gn-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.gn-back-btn:hover {
    background: #0b5cd6;
    color: white;
    gap: 12px;
}

/* 响应式 */
@media (max-width: 992px) {
    .gn-detail-card {
        padding: 25px;
    }
    
    .gn-detail-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .gn-detail-card {
        padding: 20px;
    }
    
    .gn-detail-title {
        font-size: 1.3rem;
    }
    
    .gn-detail-meta {
        gap: 12px;
        font-size: 0.7rem;
    }
    
    .gn-detail-content {
        font-size: 0.9rem;
    }
    
    .gn-detail-pager {
        flex-direction: column;
        gap: 15px;
    }
    
    .gn-detail-pager-prev,
    .gn-detail-pager-next {
        text-align: left;
    }
    
    .gn-detail-pager-next {
        text-align: left;
    }
}

@media (max-width: 576px) {
    .gn-detail-card {
        padding: 16px;
    }
    
    .gn-detail-title {
        font-size: 1.1rem;
    }
    
    .gn-detail-meta {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }
    
    .gn-detail-content blockquote {
        padding: 12px 16px;
    }
}


/* ========== 栏目大图（仅图片，无文字） ========== */
.gn-category-banner {
    margin-top: 0;
    position: relative;
    width: 100%;
    height: 320px;
    overflow: hidden;
}

.gn-category-bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
}

.gn-category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
}

/* ========== 固定导航样式 ========== */
.gn-breadcrumb-wrap {
    background: #f8fafc;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.gn-breadcrumb-wrap.is-sticky {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    z-index: 1020;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: 10px 0;
}

.gn-breadcrumb-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* 面包屑样式 */
.gn-breadcrumb {
    font-size: 0.85rem;
    color: #64748b;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.gn-breadcrumb i {
    margin-right: 6px;
}

.gn-breadcrumb a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}

.gn-breadcrumb a:hover {
    color: #0b5cd6;
}

.gn-breadcrumb .fa-angle-right {
    margin: 0 8px;
    font-size: 0.7rem;
}

.gn-breadcrumb span {
    color: #0b5cd6;
    font-weight: 500;
}

/* 右侧二级栏目 */
.gn-subcategory-horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    align-items: center;
}

.gn-subcategory-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 20px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.25s;
}

.gn-subcategory-item i {
    font-size: 0.8rem;
}

.gn-subcategory-item:hover {
    background: #0b5cd6;
    color: white;
    transform: translateY(-2px);
}

.gn-subcategory-item.active {
    background: #0b5cd6;
    color: white;
    box-shadow: 0 4px 12px rgba(11, 92, 214, 0.35);
}

/* ========== 详情页样式 ========== */

/* 详情页卡片 */
.gn-detail-card {
    background: white;
    border-radius: 24px;
    padding: 35px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
}

/* 文章头部 */
.gn-detail-header {
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 25px;
    margin-bottom: 30px;
}

.gn-detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.4;
    margin-bottom: 16px;
}

.gn-detail-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: #94a3b8;
}

.gn-detail-meta i {
    margin-right: 6px;
    color: #0b5cd6;
}

.gn-article-flags-detail {
    display: inline-flex;
    gap: 8px;
    margin-left: 10px;
}

/* 文章内容 */
.gn-detail-content {
    font-size: 1rem;
    line-height: 1.8;
    color: #334155;
}

.gn-detail-content h1,
.gn-detail-content h2,
.gn-detail-content h3 {
    margin: 30px 0 15px;
    color: #0f172a;
}

.gn-detail-content h2 {
    font-size: 1.5rem;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.gn-detail-content h3 {
    font-size: 1.25rem;
}

.gn-detail-content p {
    margin-bottom: 20px;
}

.gn-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.gn-detail-content ul,
.gn-detail-content ol {
    margin: 15px 0 20px 25px;
}

.gn-detail-content li {
    margin: 8px 0;
}

.gn-detail-content blockquote {
    background: #f1f5f9;
    border-left: 4px solid #0b5cd6;
    padding: 16px 24px;
    margin: 20px 0;
    border-radius: 12px;
    color: #475569;
    font-style: italic;
}

.gn-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.gn-detail-content th,
.gn-detail-content td {
    border: 1px solid #e2e8f0;
    padding: 10px;
    text-align: left;
}

.gn-detail-content th {
    background: #f1f5f9;
    font-weight: 600;
}

.gn-detail-content code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.85em;
}

/* 上下篇导航 - 无下划线美化版 */
.gn-detail-pager {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding: 30px 0;
    margin: 30px 0 20px;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.gn-detail-pager-prev,
.gn-detail-pager-next {
    flex: 1;
    background: #f8fafc;
    border-radius: 16px;
    padding: 20px 24px;
    transition: all 0.3s ease;
}

.gn-detail-pager-prev:hover,
.gn-detail-pager-next:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
}

.gn-pager-label {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-bottom: 12px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.gn-pager-label i {
    font-size: 0.65rem;
}

.gn-pager-link {
    display: block;
    text-decoration: none;
}

.gn-pager-link:hover {
    text-decoration: none;
}

.gn-pager-title {
    color: #0f172a;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.2s;
}

.gn-pager-link:hover .gn-pager-title {
    color: #0b5cd6;
}

.gn-pager-none {
    color: #cbd5e1;
    font-size: 0.85rem;
}

.gn-detail-pager-next {
    text-align: right;
}

/* 返回列表按钮 */
.gn-detail-back {
    text-align: center;
    margin-top: 20px;
}

.gn-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.gn-back-btn:hover {
    background: #0b5cd6;
    color: white;
    gap: 12px;
    text-decoration: none;
}

/* 响应式 */
@media (max-width: 992px) {
    .gn-detail-card {
        padding: 25px;
    }
    
    .gn-detail-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .gn-category-banner {
        height: 200px;
    }
    
    .gn-breadcrumb-wrap.is-sticky {
        top: 60px;
    }
    
    .gn-detail-card {
        padding: 20px;
    }
    
    .gn-detail-title {
        font-size: 1.3rem;
    }
    
    .gn-detail-meta {
        gap: 12px;
        font-size: 0.7rem;
    }
    
    .gn-detail-content {
        font-size: 0.9rem;
    }
    
    .gn-detail-pager {
        flex-direction: column;
        gap: 15px;
    }
    
    .gn-detail-pager-prev,
    .gn-detail-pager-next {
        text-align: left;
    }
    
    .gn-detail-pager-next {
        text-align: left;
    }
    
    .gn-breadcrumb-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .gn-subcategory-horizontal {
        justify-content: flex-start;
    }
}

@media (max-width: 576px) {
    .gn-category-banner {
        height: 150px;
    }
    
    .gn-detail-card {
        padding: 16px;
    }
    
    .gn-detail-title {
        font-size: 1.1rem;
    }
    
    .gn-detail-meta {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }
    
    .gn-detail-content blockquote {
        padding: 12px 16px;
    }
    
    .gn-subcategory-item {
        padding: 4px 14px;
        font-size: 0.75rem;
    }
}

/* ========== 单页（about）样式 ========== */

/* 单页布局 */
.gn-about-layout {
    padding: 50px 0;
    background: #f8fafc;
    min-height: calc(100vh - 400px);
}

/* 单页卡片 */
.gn-about-card {
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
}

/* 页面头部 */
.gn-about-header {
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 25px;
    margin-bottom: 30px;
}

.gn-about-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.4;
    margin-bottom: 16px;
}

.gn-about-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: #94a3b8;
}

.gn-about-meta i {
    margin-right: 6px;
    color: #0b5cd6;
}

/* 页面内容 */
.gn-about-content {
    font-size: 1rem;
    line-height: 1.8;
    color: #334155;
}

.gn-about-content h1,
.gn-about-content h2,
.gn-about-content h3 {
    margin: 30px 0 15px;
    color: #0f172a;
}

.gn-about-content h2 {
    font-size: 1.5rem;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.gn-about-content h3 {
    font-size: 1.25rem;
}

.gn-about-content p {
    margin-bottom: 20px;
}

.gn-about-content img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.gn-about-content ul,
.gn-about-content ol {
    margin: 15px 0 20px 25px;
}

.gn-about-content li {
    margin: 8px 0;
}

.gn-about-content blockquote {
    background: #f1f5f9;
    border-left: 4px solid #0b5cd6;
    padding: 16px 24px;
    margin: 20px 0;
    border-radius: 12px;
    color: #475569;
    font-style: italic;
}

.gn-about-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.gn-about-content th,
.gn-about-content td {
    border: 1px solid #e2e8f0;
    padding: 10px;
    text-align: left;
}

.gn-about-content th {
    background: #f1f5f9;
    font-weight: 600;
}

.gn-about-content code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.85em;
}

/* 单页响应式 */
@media (max-width: 992px) {
    .gn-about-card {
        padding: 30px;
    }
    
    .gn-about-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .gn-about-layout {
        padding: 30px 0;
    }
    
    .gn-about-card {
        padding: 20px;
    }
    
    .gn-about-title {
        font-size: 1.3rem;
    }
    
    .gn-about-meta {
        gap: 12px;
        font-size: 0.7rem;
    }
    
    .gn-about-content {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .gn-about-card {
        padding: 16px;
    }
    
    .gn-about-title {
        font-size: 1.1rem;
    }
    
    .gn-about-meta {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }
    
    .gn-about-content blockquote {
        padding: 12px 16px;
    }
}


/* 精选推荐小标签样式 */
.gn-flag-mini {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.6rem;
    font-weight: 600;
    border-radius: 4px;
    margin-right: 8px;
}

.gn-flag-mini.gn-flag-top {
    background: #f97316;
    color: white;
}

.gn-flag-mini.gn-flag-headline {
    background: #ef4444;
    color: white;
}

.gn-flag-mini.gn-flag-recommend {
    background: #0b5cd6;
    color: white;
}