/* 仅作用于本页面主体区域，避免影响现有全局 Header 和 Footer */
.academic-research-page {
    --zju-deep-blue: #003B78;
    --zju-deep-blue-hover: #064986;
    --zju-title: #222222;
    --zju-date-red: #B3212A;
    --zju-gray-bg: #F3F6FA;
    --zju-white: #FFFFFF;
    --zju-arrow-blue: #1356A2;
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.academic-research-page * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.academic-research-page a {
    text-decoration: none;
}

/* 主容器宽度控制，留出充足左右留白 */
.academic-research-page .content-bound {
    width: calc(100% - 120px);
    max-width: 1320px;
    margin: 0 auto;
}

/* --- 第一部分：深蓝背景与面包屑 --- */
.academic-research-page .focus-area {
    background: var(--zju-deep-blue);
    padding: 40px 0 60px;
}

.academic-research-page .breadcrumb {
    margin-bottom: 30px;
}

.academic-research-page .breadcrumb span {
    font-size: 26px;
    font-weight: 500;
    color: var(--zju-white);
    display: inline-block;
}

.academic-research-page .breadcrumb .breadcrumb-underline {
    display: block;
    width: 180px;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    margin-top: 15px;
}

/* 焦点大图与信息框 */
.academic-research-page .focus-figure-wrap {
    position: relative;
    width: 100%;
}

.academic-research-page .focus-figure {
    width: 100%;
    aspect-ratio: 16 / 7;
    overflow: hidden;
    background-color: #0b2f55;
}

.academic-research-page .focus-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.academic-research-page .focus-info {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 60%;
    min-height: 220px;
    background: rgba(255, 255, 255, 0.92);
    padding: 40px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.academic-research-page .focus-date .year {
    font-size: 16px;
    font-weight: 600;
    color: var(--zju-date-red);
    line-height: 1.2;
}

.academic-research-page .focus-date .md {
    font-size: 28px;
    font-weight: 700;
    color: var(--zju-date-red);
    margin-top: 5px;
    line-height: 1.2;
}

.academic-research-page .focus-title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.7;
    color: var(--zju-title);
    margin-top: 20px;
    max-width: 900px;
}

/* --- 第二部分：列表区域 --- */
.academic-research-page .news-list-area {
    background: var(--zju-gray-bg);
    padding: 60px 0 100px;
}

.academic-research-page .news-list {
    list-style: none;
}

.academic-research-page .news-item {
    display: grid;
    grid-template-columns: 42% 58%;
    background: var(--zju-white);
    margin-bottom: 40px;
}

.academic-research-page .news-image-link {
    display: block;
    width: 100%;
    overflow: hidden;
}

.academic-research-page .news-image-clip {
    width: 100%;
    height: 320px;
    overflow: hidden;
    background-color: #e9eef5;
}

.academic-research-page .news-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: transform .35s ease;
    display: block;
}

.academic-research-page .news-content {
    padding: 70px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.academic-research-page .news-date .year {
    font-size: 16px;
    font-weight: 600;
    color: var(--zju-date-red);
    line-height: 1.2;
}

.academic-research-page .news-date .md {
    font-size: 30px;
    font-weight: 700;
    color: var(--zju-date-red);
    margin-top: 8px;
    line-height: 1.2;
}

.academic-research-page .news-title {
    margin-top: 25px;
    max-width: 700px;
}

.academic-research-page .news-title a {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.7;
    color: var(--zju-title);
    transition: color .35s ease;
}

.academic-research-page .news-arrow {
    margin-top: 25px;
    font-size: 30px;
    color: var(--zju-arrow-blue);
    font-family: Arial, sans-serif;
    transform: translateX(0);
    transition: transform .35s ease;
    display: inline-block;
    align-self: flex-start;
}

/* Hover 动画效果 */
.academic-research-page .news-item:hover .news-image {
    transform: scale(1.025);
}

.academic-research-page .news-item:hover .news-title a {
    color: var(--zju-deep-blue-hover);
}

.academic-research-page .news-item:hover .news-arrow {
    transform: translateX(8px);
}

/* --- 响应式适配 --- */

/* 平板端 (小于 1100px) */
@media (max-width: 1100px) {
    .academic-research-page .news-item {
        grid-template-columns: 45% 55%;
    }
    .academic-research-page .news-content {
        padding: 50px 40px;
    }
    .academic-research-page .news-image-clip {
        height: 280px;
    }
    .academic-research-page .focus-info {
        padding: 30px 40px;
    }
}

/* 手机端 (小于 768px) */
@media (max-width: 768px) {
    .academic-research-page .content-bound {
        width: calc(100% - 40px);
    }
    
    .academic-research-page .focus-area {
        padding: 30px 0 40px;
    }

    .academic-research-page .breadcrumb {
        margin-bottom: 20px;
    }

    .academic-research-page .breadcrumb span {
        font-size: 20px;
    }

    .academic-research-page .breadcrumb .breadcrumb-underline {
        width: 140px;
    }

    /* 焦点图手机端：信息框独立出来 */
    .academic-research-page .focus-figure-wrap {
        display: flex;
        flex-direction: column;
    }

    .academic-research-page .focus-figure {
        aspect-ratio: 16 / 9;
    }

    .academic-research-page .focus-info {
        position: static;
        width: 100%;
        min-height: auto;
        padding: 25px 20px;
        background: var(--zju-white);
    }

    .academic-research-page .focus-date .md {
        font-size: 26px;
    }

    .academic-research-page .focus-title {
        font-size: 18px;
        margin-top: 15px;
    }

    /* 新闻列表手机端：改为上图下文 */
    .academic-research-page .news-list-area {
        padding: 40px 0 60px;
    }

    .academic-research-page .news-item {
        grid-template-columns: 1fr;
        margin-bottom: 30px;
    }

    .academic-research-page .news-image-clip {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 10;
    }

    .academic-research-page .news-content {
        padding: 25px 20px 30px;
    }

    .academic-research-page .news-date .md {
        font-size: 26px;
    }

    .academic-research-page .news-title {
        margin-top: 15px;
    }

    .academic-research-page .news-title a {
        font-size: 18px;
    }

    .academic-research-page .news-arrow {
        margin-top: 15px;
        font-size: 24px;
    }
}

/* 更小屏幕微调 (小于 480px) */
@media (max-width: 480px) {
    .academic-research-page .focus-info {
        padding: 20px 15px;
    }
    .academic-research-page .news-content {
        padding: 22px 18px 26px;
    }
}