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

        :root {
            --primary-color: #AA060A;
            --primary-color-rgb: 170, 6, 10;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, var(--primary-color) 0%, #000000 100%);
            min-height: 100vh;
            padding: 60px 60px 80px 60px;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            overflow: visible;
        }

        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #000000 100%);
            color: white;
            padding: 40px 30px;
            text-align: center;
            border-radius: 20px 20px 0 0;
        }

        .header-logos {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin-bottom: 20px;
        }

        .header-logo {
            height: 60px;
            width: auto;
            opacity: 0.95;
            transition: opacity 0.3s;
        }

        .header-logo:hover {
            opacity: 1;
        }

        header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .subtitle {
            font-size: 1.1em;
            opacity: 0.9;
        }

        nav {
            position: -webkit-sticky;
            position: sticky;
            top: -1px;
            background: rgba(248, 249, 250, 0.98);
            backdrop-filter: blur(10px);
            padding: 15px 30px;
            border-bottom: 2px solid #e0e0e0;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        nav a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.3s;
            position: relative;
        }

        nav a:hover {
            background: var(--primary-color);
            color: white;
        }

        nav a.active {
            color: var(--primary-color);
            font-weight: 700;
            background: rgba(var(--primary-color-rgb), 0.1);
        }

        .nav-dropdown {
            position: relative;
            display: inline-block;
        }

        .nav-dropdown-content {
            display: none;
            position: absolute;
            background: white;
            min-width: 180px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            border-radius: 6px;
            padding: 8px 0;
            z-index: 1001;
            top: 100%;
            left: 0;
            margin-top: 5px;
        }

        .nav-dropdown:hover .nav-dropdown-content {
            display: block;
        }

        .nav-dropdown-content a {
            color: var(--primary-color);
            padding: 10px 20px;
            text-decoration: none;
            display: block;
            font-size: 0.9em;
            border-radius: 0;
        }

        .nav-dropdown-content a:hover {
            background: rgba(var(--primary-color-rgb), 0.12);
            color: var(--primary-color);
            font-weight: 600;
        }

        .content {
            padding: 40px 30px;
        }

        .section {
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 2.3em;
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-color);
            font-weight: 700;
        }

        .bio-container {
            display: flex;
            flex-direction: row;
            align-items: flex-start;
            gap: 40px;
            margin-bottom: 30px;
        }

        .bio-image-wrapper {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: flex-start;
        }

        .bio-image {
            width: 100%;
            max-width: 280px;
            height: auto;
            aspect-ratio: 5/6;
            border-radius: 12px;
            object-fit: cover;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .bio-text {
            flex: 2;
            line-height: 1.8;
            font-weight: 600;
        }

        .bio-text p {
            font-weight: 600;
        }

        .bio-text h2 {
            color: #333;
            margin-bottom: 10px;
        }

        .bio-text h3 {
            color: #666;
            margin-bottom: 20px;
            font-weight: 400;
        }

        .bio-text p {
            margin-bottom: 10px;
            line-height: 1.8;
        }

        .bio-text a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .bio-text a:hover {
            text-decoration: underline;
        }

        .timeline-item strong {
            color: var(--primary-color);
        }

        .timeline-item a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .timeline-item a:hover {
            text-decoration: underline;
        }

        .news-item a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .news-item a:hover {
            text-decoration: underline;
        }

        .bio-links {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 15px;
        }

        .bio-link-tag {
            display: inline-block;
            padding: 6px 14px;
            background: linear-gradient(135deg, var(--primary-color, var(--primary-color)) 0%, #000000 100%);
            color: white !important;
            text-decoration: none;
            border-radius: 20px;
            font-size: 0.9em;
            font-weight: 500;
            transition: all 0.3s;
            box-shadow: 0 2px 6px rgba(var(--primary-color-rgb), 0.3);
        }

        .bio-link-tag:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.5);
            color: white !important;
        }

        .timeline-item, .news-item, .award-item-new {
            margin-bottom: 20px;
            padding: 15px 20px;
            background: #f8f9fa;
            border-radius: 8px;
            display: grid;
            grid-template-columns: 150px 1fr;
            gap: 20px;
            align-items: center;
            transition: all 0.3s;
            min-height: 60px;
        }

        /* Awards 部分单独设置更紧凑的样式 */
        .award-item-new {
            margin-bottom: 12px;
            padding: 10px 15px;
            min-height: auto;
            grid-template-columns: 100px 1fr;
            gap: 15px;
        }

        .timeline-item:hover, .news-item:hover, .award-item-new:hover {
            background: #e9ecef;
            transform: translateX(5px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .item-date {
            background: linear-gradient(135deg, var(--primary-color) 0%, #000000 100%);
            color: white;
            padding: 8px 12px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            font-size: 0.95em;
            box-shadow: 0 3px 8px rgba(var(--primary-color-rgb), 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 45px;
        }

        /* Awards 部分的日期标签更紧凑 */
        .award-item-new .item-date {
            padding: 6px 10px;
            font-size: 0.9em;
            min-height: 36px;
        }

        .item-content {
            color: #333;
            line-height: 1.7;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 15px;
        }

        .item-content-text {
            flex: 1;
        }

        /* Biography和Awards中的item-content不使用flex布局，保持文字inline */
        .timeline-item .item-content {
            display: block;
        }

        .award-item-new .item-content {
            display: block;
        }

        /* News中的item-content使用flex布局（因为有图片） */
        .news-item .item-content {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .item-image {
            max-width: 300px;
            max-height: 200px;
            width: auto;
            height: auto;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            transition: all 0.3s;
        }

        .item-image:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .publication-item {
            padding: 12px 15px;
            margin-bottom: 12px;
            background: #f8f9fa;
            border-left: 4px solid var(--primary-color);
            border-radius: 6px;
            transition: all 0.3s;
        }

        .publication-item:hover {
            background: #e9ecef;
            transform: translateX(5px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .publication-number {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            width: 26px;
            height: 26px;
            line-height: 26px;
            text-align: center;
            border-radius: 50%;
            margin-right: 10px;
            font-weight: 600;
            font-size: 0.9em;
        }

        .publication-citation {
            font-size: 0.92em;
            line-height: 1.6;
        }

        .publication-meta {
            margin-top: 6px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .badge {
            display: inline-block;
            padding: 3px 8px;
            border-radius: 10px;
            font-size: 0.8em;
            font-weight: 500;
        }

        .badge-position-1 {
            background: #ff6b6b;
            color: white;
            font-weight: 600;
        }

        .badge-position-2 {
            background: #ffa502;
            color: white;
            font-weight: 500;
        }

        .badge-position-3 {
            background: #ffd32a;
            color: #333;
            font-weight: 500;
        }

        .badge-position-other {
            background: #ffeaa7;
            color: #666;
            font-weight: 400;
        }

        .badge-type {
            background: #dfe6e9;
            color: #2d3436;
        }

        .badge-level {
            background: #ffeaa7;
            color: #e17055;
        }

        .publication-doi-link {
            color: #666;
            font-size: 0.85em;
        }

        .publication-url-link {
            color: var(--primary-color);
            text-decoration: none;
            font-size: 0.85em;
        }

        .publication-url-link:hover {
            text-decoration: underline;
        }

        .author-highlight {
            font-weight: bold;
            color: var(--primary-color);
        }

        .publication-remark {
            color: #e74c3c;
            font-weight: bold;
            margin-top: 5px;
            font-size: 0.85em;
        }


        footer {
            background: #f8f9fa;
            padding: 30px;
            text-align: center;
            border-top: 1px solid #e0e0e0;
        }

        footer a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            margin: 0 10px;
        }

        footer a:hover {
            text-decoration: underline;
        }

        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #000000;
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            font-size: 28px;
            font-weight: bold;
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            transition: all 0.3s;
            z-index: 999;
            transform: rotate(-90deg);
        }

        #backToTop:hover {
            background: #8a0508;
            transform: rotate(-90deg) translateX(-3px);
            box-shadow: 0 6px 20px rgba(var(--primary-color-rgb), 0.5);
        }

        #backToTop.show {
            display: flex;
        }

        @media (max-width: 768px) {
            body {
                padding: 30px 15px;
            }

            .header-logos {
                gap: 15px;
                margin-bottom: 15px;
            }

            .header-logo {
                height: 45px;
            }

            header h1 {
                font-size: 1.8em;
            }

            .bio-container {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }

            .bio-image-wrapper {
                width: 100%;
                max-width: 250px;
            }

            .bio-image {
                width: 100%;
                max-width: 100%;
            }

            .bio-text {
                width: 100%;
                text-align: center;
                font-weight: 600;
            }

            .bio-text p {
                font-weight: 600;
            }

            .bio-links {
                justify-content: center;
            }

            .content {
                padding: 20px 15px;
            }

            .timeline-item, .news-item, .award-item-new {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 12px 15px;
            }

            .news-item .item-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .item-date {
                text-align: left;
                padding: 6px 10px;
                min-height: 35px;
            }

            .item-image {
                max-width: 100%;
            }

            #backToTop {
                width: 45px;
                height: 45px;
                bottom: 20px;
                right: 20px;
                font-size: 18px;
            }
        }