/* ===== 全局重置 ===== */
body {
    background: #f8fafc;  
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #1e293b;
    line-height: 1.5;
    padding-top: 76px;
}

/* ===== 导航栏样式 ===== */
.navbar {
    background: #0f172a !important;
    box-shadow: 0 1px 0 rgba(0,0,0,0.2);
    padding: 1rem 0;
    font-size: 0.95rem;
}
.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
    color: #f1f5f9 !important;
}
.navbar-nav .nav-link {
    color: #e2e8f0 !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    transition: color 0.2s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #60a5fa !important;
}

/* ===== 导航栏圆形Logo样式 ===== */
.nav-logo-circle {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.nav-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform 0.3s ease;
}
.navbar-brand:hover .nav-logo-circle {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.navbar-brand:hover .nav-logo-img {
    transform: scale(1.02);
}

/* ===== Hero 区域 - 基础样式 ===== */
.hero {
    background: url('../images/bg-space.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    margin-top: 0;
    z-index: 0;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 2rem 1rem;
}
.hero-content h1,
.hero-content .lead,
.hero-content p {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Hero 尺寸变体 */
.hero-large {
    min-height: 60vh;
}
.hero-large h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
}
.hero-large .lead {
    font-size: clamp(1rem, 4vw, 1.2rem);
}

.hero-standard {
    min-height: 35vh;
}
.hero-standard h1 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
}
.hero-standard .lead {
    font-size: clamp(0.9rem, 3.5vw, 1.1rem);
}

.hero-compact {
    min-height: 25vh;
}
.hero-compact h1 {
    font-size: clamp(1.2rem, 4vw, 2rem);
    font-weight: 700;
}
.hero-compact .lead {
    font-size: clamp(0.8rem, 3vw, 1rem);
}

/* 兼容旧版（默认使用大尺寸） */
.hero:not(.hero-standard):not(.hero-compact) {
    min-height: 60vh;
}
.hero:not(.hero-standard):not(.hero-compact) h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
}
.hero:not(.hero-standard):not(.hero-compact) .lead {
    font-size: clamp(1rem, 4vw, 1.2rem);
}

/* ===== Hero区域圆形Logo样式（仅首页使用） ===== */
.logo-wrapper {
    margin-bottom: 2rem;
}
.logo-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #eef2ff;
    width: 220px;
    height: 220px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
}
.logo-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #2563eb, #60a5fa, #2563eb);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}
.logo-card:hover::before {
    opacity: 0.3;
}
.logo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -15px rgba(37, 99, 235, 0.2);
    border-color: #2563eb;
}
.logo-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    border: 3px solid #f0f4ff;
    transition: all 0.3s ease;
    background: white;
}
.logo-card:hover img {
    border-color: #2563eb;
    transform: scale(1.02);
}
.logo-title {
    margin-top: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff !important;
    text-shadow: 0 2px 8px rgba(0,0,0,0.25);
    letter-spacing: 1px;
}
.logo-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95) !important;
    margin-top: 0.5rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* 装饰线 */
.hero-decoration {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #60a5fa, #2563eb);
    margin: 1.5rem auto 0;
    border-radius: 3px;
}

/* 脉冲动画 */
@keyframes softPulse {
    0% { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
    50% { box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15); }
    100% { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
}
.logo-card {
    animation: softPulse 3s ease-in-out infinite;
}
.logo-card:hover {
    animation: none;
}

/* ===== 深色侧边栏卡片 ===== */
.card-dark {
    background: #0f172a;
    border: none;
    border-radius: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    color: #e2e8f0;
    height: 100%;
    overflow: hidden;
}
.card-dark .card-header-modern {
    background: transparent;
    color: #f1f5f9;
    border-bottom: 1px solid #1e293b;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
}
.card-dark .card-header-modern i {
    color: #60a5fa;
}
.card-dark .list-group-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid #1e293b;
    padding: 0.75rem 1.25rem;
    position: relative;
}
.card-dark .list-group-item:last-child {
    border-bottom: none;
}
.card-dark .list-group-item a {
    color: #cbd5e1;
    text-decoration: none;
    display: block;
}
.card-dark .list-group-item a:hover {
    color: #60a5fa;
}
.card-dark .list-group-item.active {
    background: rgba(96, 165, 250, 0.1);
    border-left: 3px solid #60a5fa;
}
.card-dark .list-group-item.active a {
    color: #ffffff;
    font-weight: 500;
}
/* 禁用深色卡片内的圆点 */
.card-dark .list-group-item::before {
    display: none !important;
}

/* ===== 粘性侧边栏 ===== */
.sticky-top {
    position: sticky !important;
    top: 100px !important;
    z-index: 10;
    align-self: flex-start;
}

/* ===== 滚动新闻条 ===== */
.news-ticker {
    background: #ffffff;
    border-radius: 40px;
    padding: 8px 20px;
    margin: 20px 0;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
}
.news-ticker a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

/* ===== 卡片样式 ===== */
.card-modern {
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    border: none;
    border-radius: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02), 0 1px 2px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
    overflow: hidden;
}
.card-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px -8px rgba(0,0,0,0.1);
}
.card-header-modern {
    background: transparent;
    border-bottom: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: #0f172a;
    position: relative;
}
.card-header-modern::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.5rem;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
}
.card-header-modern i {
    color: #2563eb;
    font-size: 1.25rem;
    margin-right: 0.5rem;
}

/* ===== 列表组样式 ===== */
.list-group-flush {
    border-radius: 0;
}
.list-group-item {
    background: transparent;
    border-color: #f0f2f5;
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
    transition: background 0.2s, padding-left 0.2s;
    position: relative;
}
.list-group-item:first-child {
    border-top: none;
}
.list-group-item::before {
    content: '';
    position: absolute;
    left: 1.2rem;
    top: 1.1rem;
    width: 6px;
    height: 6px;
    background: #2563eb;
    border-radius: 50%;
    opacity: 0.6;
    transition: opacity 0.2s;
}
.list-group-item:hover::before {
    opacity: 1;
}
.list-group-item:hover {
    background: #fafcff;
    padding-left: 2rem;
}
.list-group-item a {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.2s;
}
.list-group-item a:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* ===== 面包屑导航 ===== */
.breadcrumb-custom {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: #64748b;
}
.breadcrumb-custom a {
    color: #64748b;
    text-decoration: none;
}
.breadcrumb-custom a:hover {
    color: #2563eb;
}
.breadcrumb-custom .current {
    color: #1e293b;
    font-weight: 500;
}

/* ===== 正文内容样式 ===== */
.article-content {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: #334155;
}
.article-content p {
    margin-bottom: 1rem;
    text-indent: 2em;
}
.article-content h2 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
    color: #0f172a;
    text-align: center;
}
.article-content h3 {
    font-size: 1.2rem;
    margin: 1rem 0 0.5rem;
    color: #1e293b;
    font-weight: 600;
}


/* ===== 委员列表样式 ===== */
.member-section {
    margin-bottom: 2rem;
}
.member-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #0f172a;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 1rem;
}
.member-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}
.member-item {
    background: #f8fafc;
    border-radius: 12px;
    padding: 0.5rem 0.75rem;
    text-align: center;
    transition: all 0.2s;
}
.member-item a {
    color: #1e293b;
    text-decoration: none;
    font-size: 0.9rem;
}
.member-item a:hover {
    color: #2563eb;
    text-decoration: underline;
}
.member-item:hover {
    background: #eef2ff;
    transform: translateY(-2px);
}
.leader-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.leader-card {
    flex: 1;
    min-width: 150px;
    background: #f1f5f9;
    border-radius: 16px;
    padding: 1rem;
    text-align: center;
    transition: all 0.2s;
}
.leader-card:hover {
    background: #eef2ff;
    transform: translateY(-2px);
}
.leader-card .position {
    font-weight: 600;
    color: #2563eb;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}
.leader-card .name {
    font-size: 1rem;
    font-weight: 500;
    color: #0f172a;
}
.leader-card .name a {
    color: #0f172a;
    text-decoration: none;
}
.leader-card .name a:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* ===== 成员卡片样式 ===== */
.member-card {
    background: #f8fafc;
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #eef2ff;
}
.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px -12px rgba(0,0,0,0.1);
    border-color: #e2e8f0;
}
.member-card img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid #eef2ff;
    transition: border-color 0.2s;
}
.member-card:hover img {
    border-color: #2563eb;
}
.member-card .member-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.25rem;
}
.member-card .member-position {
    font-size: 0.85rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}
.member-card .member-link {
    font-size: 0.85rem;
    color: #64748b;
    text-decoration: none;
}
.member-card .member-link:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* ===== 按钮与表单 ===== */
.btn-outline-primary {
    border-color: #cbd5e1;
    color: #1e293b;
    border-radius: 40px;
    padding: 0.4rem 1.2rem;
    font-weight: 500;
    transition: all 0.2s;
}
.btn-outline-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}
.form-control {
    border-radius: 40px;
    border-color: #e2e8f0;
    background: #ffffff;
    padding: 0.5rem 1rem;
}
.form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ===== 轮播模块 ===== */
.carousel-bg {
    position: relative;
    background: url('../images/earth-bg.jpg') center/cover no-repeat fixed;
    margin: 2rem 0;
    border-radius: 32px;
}
.carousel-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.35);
    border-radius: 32px;
    z-index: 1;
}
.carousel-bg .container {
    position: relative;
    z-index: 2;
}
.carousel-inner {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
}
.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== 主内容背景 ===== */
.main-content-bg {
    position: relative;
    background-color: #f8fafc;
    border-radius: 32px;
    padding: 2rem 0;
}
.main-content-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background: url('../images/earth-bg2.jpg') center/contain no-repeat;*/
    opacity: 0.2;
    z-index: 0;
    pointer-events: none;
}
.main-content-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(37,99,235,0.12) 1px, transparent 1px),
        linear-gradient(0deg, rgba(37,99,235,0.12) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 1;
}
.main-content-bg .container {
    position: relative;
    z-index: 2;
}
.card-standard-bg {
    background-image: repeating-linear-gradient(45deg, rgba(37,99,235,0.02) 0px, rgba(37,99,235,0.02) 1px, transparent 1px, transparent 12px);
}

/* ===== 页脚 ===== */
footer {
    background: #0f172a;
    border-top: 1px solid #1e293b;
    padding: 2rem 0;
    margin-top: 3rem;
    color: #e2e8f0;
}
footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}
footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}
footer h5 {
    color: #f1f5f9;
    font-weight: 600;
}
footer .text-muted {
    color: #cbd5e1 !important;
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
    .card-header-modern {
        padding: 1rem;
    }
    .list-group-item {
        padding: 0.6rem 1rem;
    }
    .hero-large, .hero:not(.hero-standard):not(.hero-compact) {
        min-height: 40vh;
    }
    .nav-logo-circle {
        width: 35px;
        height: 35px;
    }
    .logo-card {
        width: 160px;
        height: 160px;
        padding: 1.2rem;
    }
    .logo-title {
        font-size: 1.3rem;
        margin-top: 1.2rem;
    }
    .logo-subtitle {
        font-size: 0.9rem;
    }
    .member-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}

@media (max-width: 576px) {
    .logo-card {
        width: 130px;
        height: 130px;
        padding: 1rem;
    }
    .logo-title {
        font-size: 1.1rem;
    }
    .logo-subtitle {
        font-size: 0.8rem;
    }
    .article-content {
        padding: 1rem;
    }
    .member-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }
    .leader-card {
        min-width: 120px;
    }
}

hr {
    margin: 1.5rem 0;
    border-color: #e2e8f0;
}


/* 如果需要更突出的编号样式 */
.article-content .article-number.strong {
    font-weight: 700;
    color: #1e40af;
    font-size: 1.1rem;
}

/* 带背景的编号样式（可选） */
.article-content .article-number.badge {
    background: #eef2ff;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* 有 article-number 的段落：取消缩进 */
.article-content p.no-indent,
.article-content p:has(.article-number) {
    text-indent: 0;
}

.article-content .article-number {
            font-weight: 600;
            color: #2563eb;
}
.article-content .section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
    border-left: 4px solid #2563eb;
    padding-left: 1rem;
}
.article-content .subsection-item {
    margin-left: 2rem;
    margin-bottom: 0.5rem;
}

/* ===== 新闻列表样式（完整版） ===== */
.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.news-list li {
    display: flex;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid #f0f2f5;
    transition: all 0.3s ease;
    position: relative;
}

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

/* 左侧装饰条（悬停效果） */
.news-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #2563eb;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.news-list li:hover::before {
    opacity: 1;
}

/* 悬停效果 */
.news-list li:hover {
    background: #fafcff;
    padding-left: 0.5rem;
}

/* 圆点 */
.news-list .dot {
    color: #2563eb;
    font-size: 0.7rem;
    margin-right: 0.75rem;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

/* 悬停时圆点放大 */
.news-list li:hover .dot {
    transform: scale(1.2);
    color: #1e40af;
}

/* 标题 */
.news-list .title {
    flex: 1;
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

/* 悬停时标题变色 */
.news-list li:hover .title {
    color: #2563eb;
    text-decoration: underline;
}

/* 日期 */
.news-list .date {
    color: #94a3b8;
    font-size: 0.8rem;
    white-space: nowrap;
    margin-left: 1rem;
    transition: color 0.2s ease;
}

/* 悬停时日期变色 */
.news-list li:hover .date {
    color: #64748b;
}

/* 响应式 */
@media (max-width: 768px) {
    .news-list li {
        flex-wrap: wrap;
    }
    .news-list .date {
        margin-left: 1.5rem;
        white-space: normal;
    }
}

/* 深色侧边栏卡片 - 补充悬停和激活效果 */
.card-dark .list-group-item {
    background: transparent;
    border-color: #1e293b;
    color: #e2e8f0;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    position: relative;
}

/* 悬停效果 */
.card-dark .list-group-item:hover {
    background: rgba(96, 165, 250, 0.05);
    padding-left: 1.25rem;
}

/* 激活状态 */
.card-dark .list-group-item.active {
    background: rgba(96, 165, 250, 0.1);
    border-left: 3px solid #60a5fa;
}

.card-dark .list-group-item.active a {
    color: #ffffff;
    font-weight: 600;
}

/* 移除外置圆点 */
.card-dark .list-group-item::before {
    display: none !important;
}

/* ===== 标准列表样式 ===== */
.standard-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.standard-list li {
    display: flex;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid #f0f2f5;
    transition: all 0.3s ease;
    position: relative;
}

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

/* 左侧装饰条 */
.standard-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #2563eb;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.standard-list li:hover::before {
    opacity: 1;
}

/* 悬停效果 */
.standard-list li:hover {
    background: #fafcff;
    padding-left: 0.5rem;
}

/* 圆点 */
.standard-list .dot {
    color: #2563eb;
    font-size: 0.7rem;
    margin-right: 0.75rem;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.standard-list li:hover .dot {
    transform: scale(1.2);
    color: #1e40af;
}

/* 标题 */
.standard-list .title {
    flex: 1;
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.standard-list li:hover .title {
    color: #2563eb;
    text-decoration: underline;
}

/* 日期 */
.standard-list .date {
    color: #94a3b8;
    font-size: 0.8rem;
    white-space: nowrap;
    margin-left: 1rem;
    transition: color 0.2s ease;
}

.standard-list li:hover .date {
    color: #64748b;
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #94a3b8;
}
.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}
.empty-state p {
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .standard-list li {
        flex-wrap: wrap;
    }
    .standard-list .date {
        margin-left: 1.5rem;
        white-space: normal;
    }
}

/* 通用列表样式 */
.opinion-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.opinion-list li {
    display: flex;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid #f0f2f5;
}
.opinion-list li:last-child {
    border-bottom: none;
}
.opinion-list li:hover {
    background: #fafcff;
    padding-left: 0.5rem;
}
.opinion-list .dot {
    color: #2563eb;
    font-size: 0.7rem;
    margin-right: 0.75rem;
}
.opinion-list .title {
    flex: 1;
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
}
.opinion-list .title:hover {
    color: #2563eb;
    text-decoration: underline;
}
.opinion-list .date {
    color: #94a3b8;
    font-size: 0.8rem;
    white-space: nowrap;
    margin-left: 1rem;
}

.info-meta {
    background: #f8fafc;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    color: #64748b;
    font-size: 0.85rem;
}
.info-meta i {
    margin-right: 0.5rem;
    color: #2563eb;
}
/* 1. 下拉菜单整体底色和基础样式 */
.dropdown-menu {
    background-color: #0f172a; /* 设置下拉菜单的默认底色 */
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    margin-top: 10px;
    padding: 8px 0;
}

/* 2. 菜单项的基础文字颜色和过渡效果 */
.dropdown-item {
    color: #f8fafc;
    padding: 10px 20px;
    transition: all 0.2s ease; /* 让颜色切换更丝滑 */
}

/* 3. 鼠标悬停时的颜色（高亮） */
.dropdown-item:hover, 
.dropdown-item:focus {
    background-color: #e3f2fd; /* 鼠标放上去变成浅蓝色 */
    color: #003366;
}

/* 4. 【重点】被选中（激活）后的颜色 */
.dropdown-item.active {
    background-color: #003366 !important; /* 选中后变成深蓝底色 */
    color: #ffffff !important;            /* 选中后文字变白 */
}