/* about 页面样式 */

/* ======== 从 about.html 抽取的内联样式（2026-07-18） ======== */
/* 原 <style> 块 1 */
/* ====== 增强交互效果 ====== */
        
        h1 {
            animation: titleFadeIn 1s ease-out;
            background: linear-gradient(135deg, #8B4513, #DAA520);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        @keyframes titleFadeIn {
            0% { opacity: 0; transform: translateY(-20px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        
        section {
            animation: sectionSlideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
            position: relative;
            overflow: hidden;
        }
        
        section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 50%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(218, 165, 32, 0.05), transparent);
            transition: left 0.6s ease;
        }
        
        section:hover::before {
            left: 150%;
        }
        
        section:nth-child(2) { animation-delay: 0.1s; }
        section:nth-child(3) { animation-delay: 0.2s; }
        section:nth-child(4) { animation-delay: 0.3s; }
        section:nth-child(5) { animation-delay: 0.4s; }
        section:nth-child(6) { animation-delay: 0.5s; }
        section:nth-child(7) { animation-delay: 0.6s; }
        section:nth-child(8) { animation-delay: 0.7s; }
        
        @keyframes sectionSlideIn {
            0% { opacity: 0; transform: translateY(30px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        
        section:hover {
            background: rgba(218, 165, 32, 0.03);
            transform: translateY(-2px);
            transition: all 0.3s ease;
        }
        
        h2 {
            position: relative;
            padding-left: 25px;
        }
        
        h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 24px;
            background: linear-gradient(180deg, #8B4513, #DAA520);
            border-radius: 3px;
            animation: lineGrow 0.5s ease-out;
        }
        
        @keyframes lineGrow {
            0% { height: 0; }
            100% { height: 24px; }
        }
        
        h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -5px;
            width: 0;
            height: 3px;
            background: #DAA520;
            transition: width 0.5s ease;
        }
        
        section:hover h2::after {
            width: 100%;
        }
        
        ul li {
            transition: all 0.3s ease;
            padding: 10px 15px;
            border-radius: 10px;
            margin-bottom: 8px;
            position: relative;
        }
        
        ul li::before {
            content: '✦';
            color: #DAA520;
            margin-right: 10px;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        ul li:hover {
            background: rgba(218, 165, 32, 0.1);
            transform: translateX(15px);
            border-left: 4px solid #DAA520;
        }
        
        ul li:hover::before {
            opacity: 1;
        }
        
        a {
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: #DAA520;
            transform: translateX(3px);
        }
        
        .highlight-text {
            background: linear-gradient(135deg, #8B4513, #DAA520);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: bold;
        }
        
        .contact-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        
        .contact-link:hover {
            transform: scale(1.05);
        }
        
        .feature-item {
            transition: all 0.3s ease;
            padding: 15px;
            border-radius: 12px;
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(139, 69, 19, 0.12);
        }
        
        .stat-value {
            animation: statCount 1.5s ease-out;
        }
        
        @keyframes statCount {
            0% { opacity: 0; transform: translateY(10px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        
        /* ====== 团队成员卡片 ====== */
        .team-section {
            background: linear-gradient(135deg, #faf8f5 0%, #f5f0e8 100%);
            padding: 40px 20px;
            border-radius: 20px;
            margin: 30px 0;
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
        }
        
        .team-title {
            text-align: center;
            font-size: 28px;
            color: #5D4037;
            margin-bottom: 30px;
            position: relative;
        }
        
        .team-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #8B4513, #DAA520, #8B4513);
            border-radius: 2px;
        }
        
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 25px;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .team-card {
            background: white;
            border-radius: 15px;
            padding: 25px 15px;
            text-align: center;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }
        
        .team-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #8B4513, #DAA520);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        
        .team-card:hover::before {
            transform: scaleX(1);
        }
        
        .team-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 15px 40px rgba(139, 69, 19, 0.15);
        }
        
        .team-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, #8B4513, #DAA520);
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: white;
            transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
        }
        
        .team-card:hover .team-avatar {
            transform: scale(1.2);
        }
        
        .team-avatar::after {
            content: '';
            position: absolute;
            top: -5px;
            right: -5px;
            width: 20px;
            height: 20px;
            background: #4CAF50;
            border-radius: 50%;
            border: 3px solid white;
        }
        
        .team-name {
            font-size: 18px;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 5px;
        }
        
        .team-role {
            font-size: 14px;
            color: #8B4513;
            margin-bottom: 10px;
        }
        
        .team-desc {
            font-size: 13px;
            color: #666;
            line-height: 1.6;
        }
        
        /* ====== 历史时间轴 ====== */
        .timeline-section {
            background: #fff;
            padding: 40px 20px;
            border-radius: 20px;
            margin: 30px 0;
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
        }
        
        .timeline-title {
            text-align: center;
            font-size: 28px;
            color: #5D4037;
            margin-bottom: 30px;
            position: relative;
        }
        
        .timeline-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #8B4513, #DAA520, #8B4513);
            border-radius: 2px;
        }
        
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, #8B4513, #DAA520, #8B4513);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
        }
        
        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }
        
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .timeline-content {
            width: 45%;
            background: linear-gradient(135deg, #faf8f5 0%, #f5f0e8 100%);
            padding: 20px;
            border-radius: 15px;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            opacity: 0;
            transform: translateY(20px);
            animation: timelineItemFadeIn 0.6s ease-out forwards;
        }
        
        .timeline-item:nth-child(odd) .timeline-content {
            animation-delay: 0.1s;
        }
        
        .timeline-item:nth-child(even) .timeline-content {
            animation-delay: 0.2s;
        }
        
        @keyframes timelineItemFadeIn {
            to { opacity: 1; transform: translateY(0); }
        }
        
        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(139, 69, 19, 0.1);
        }
        
        .timeline-year {
            font-size: 24px;
            font-weight: bold;
            color: #8B4513;
            margin-bottom: 8px;
        }
        
        .timeline-title-item {
            font-size: 16px;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 5px;
        }
        
        .timeline-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }
        
        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: white;
            border: 4px solid #DAA520;
            border-radius: 50%;
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        .timeline-item:hover .timeline-dot {
            transform: translateX(-50%) scale(1.3);
            box-shadow: 0 0 20px rgba(218, 165, 32, 0.6);
        }
        
        /* ====== 统计数字动画 ====== */
        .stats-section {
            background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
            padding: 40px 20px;
            border-radius: 20px;
            margin: 30px 0;
            box-shadow: 0 10px 40px rgba(139, 69, 19, 0.3);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .stat-card {
            text-align: center;
            color: white;
            transition: all 0.3s ease;
        }
        
        .stat-card:hover {
            transform: scale(1.1);
        }
        
        .stat-number {
            font-size: 48px;
            font-weight: bold;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 14px;
            opacity: 0.9;
        }
        
        /* ====== 响应式设计 ====== */
        @media (max-width: 768px) {
            .team-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
                gap: 15px;
            }
            
            .timeline::before {
                left: 20px;
            }
            
            .timeline-item {
                flex-direction: column !important;
                align-items: flex-start;
            }
            
            .timeline-content {
                width: 100%;
                margin-left: 40px;
            }
            
            .timeline-dot {
                left: 20px;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }