/* 权威报告模块 */
.authoritative-report-section {
    position: relative;
    overflow: hidden;
}

.report-section-title { 
    font-weight: 700;
    font-style: normal;
    font-size: 36px;
    color: #fff;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

/* 世界旅游城市发展报告模块 */
.city-development-report-section {
    margin-top: 0;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.city-report-title { 
    font-weight: 700;
    font-style: normal;
    font-size: 36px;
    color: #fff;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.city-report-list {
    min-height: 439px;
    display: flex;
    justify-content: center;
    gap: 35px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.city-report-item {
    flex: 0 0 calc(25% - 26.25px);
    max-width: calc(25% - 26.25px);
}

.city-report-img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.city-report-item:hover .city-report-img {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 国际标准模块 */
.international-standard-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.standard-content {
    display: flex;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 1;
    align-items: flex-start;
}

.standard-cover {
    flex: 0 0 280px;
}

.standard-cover-img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.standard-info {
    flex: 1;
    color: #fff;
}

.standard-title {
    margin-bottom: 20px; 
    font-weight: 700;
    font-style: normal;
    font-size: 43px;
    line-height: 38px;
}

.standard-description p {
    line-height: 1.5;
    font-size: 27px;
    margin-bottom: 20px;
}

.standard-date {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 30px; 
    font-weight: 400;
    font-style: normal;
    font-size: 22px;
}

.date-icon {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.date-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

/* 专家视点模块 */
.industry-insight-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.insight-list-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.insight-list-container {
    margin-bottom: 35px;
}

.insight-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 50px;
}

.insight-list-item {
    padding: 16px 20px 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.insight-list-item a {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-decoration: none;
    color: #fff;
    font-size: 22px;
    line-height: 1.6;
}

.insight-list-item:hover a {
    color: #4a90d9;
}

.insight-title-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== 专家名录模块 ========== */
#expertList {
    max-height: 800px;
    overflow-y: auto;
    scroll-behavior: smooth;
}
/* 自定义滚动条 */
#expertList::-webkit-scrollbar {
    width: 8px;
}
#expertList::-webkit-scrollbar-track {
    background: #f0f2f5;
    border-radius: 4px;
}
#expertList::-webkit-scrollbar-thumb {
    background: #b0bcc8;
    border-radius: 4px;
    transition: background 0.3s ease;
}
#expertList::-webkit-scrollbar-thumb:hover {
    background: #0066cc;
}

.expert-group {
    margin: 60px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

/* 分组标题栏（浅蓝背景） */
.expert-group-header {
    background: #d9e5f5;
    padding: 14px 20px;
    text-align: left; 
}

.expert-group-title {
    font-size: 22px;
    font-weight: 700;
    color: #0A275E;
    letter-spacing: 2px;
}

/* 专家卡片列表 */
.expert-cards {
    display: flex;
    flex-direction: column; 
}

/* 单个专家卡片 */
.expert-card {
    display: flex;
    gap: 30px;
    padding: 25px;
    background: #fff; 
    transition: box-shadow 0.3s ease;
}

.expert-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* 专家照片 */
.expert-photo {
    flex-shrink: 0;
    width: 160px;
    height: 200px;
    border-radius: 4px;
    overflow: hidden;
}

.expert-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 专家信息 */
.expert-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.expert-name {
    font-size: 24px;
    font-weight: 700;
    color: #0A275E;
    margin: 0 0 16px 0;
}

.expert-intro {
    font-size: 19px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* 专家文章列表（用于首席专家等） */
.expert-articles {
    list-style: none;
    padding: 0;
    margin: 0 0 16px 0;
}

.expert-articles li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.expert-articles li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #0066cc;
}

.expert-articles li a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.2s ease;
}

.expert-articles li a:hover {
    color: #004499;
    text-decoration: underline;
}

/* 查看详情链接 */
.expert-detail-link {
    margin-top: auto;
    align-self: flex-start;
    font-size: 14px;
    color: #0066cc;
    text-decoration: none;
    transition: color 0.2s ease;
}

.expert-detail-link:hover {
    color: #004499;
    text-decoration: underline;
}

/* 响应式 */
@media (max-width: 768px) {
    .expert-group {
        padding: 0 12px;
    }
    .expert-card {
        flex-direction: column;
        gap: 18px;
        padding: 18px;
    }
    .expert-photo {
        width: 100%;
        height: auto;
        aspect-ratio: 4 / 5;
    }
    .expert-name {
        font-size: 20px;
    }
    .expert-group-title {
        font-size: 18px;
    }
}