/* about.css - 关于我们页面独立样式 */
/* 所有类名都带有about-前缀以避免冲突 */

/* 粒子效果调整 */
.about-particles {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    pointer-events: none;
}

/* 头部占位符 */
.about-header-placeholder {
    height: 80px;
    visibility: hidden;
    transition: height 0.3s ease;
}

/* 页面容器 */
.about-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 40px;
    background: rgba(10, 10, 26, 0.85);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    margin-top: 20px;
}

/* 添加一层半透明覆盖层，确保内容可读性 */
.about-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 152, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 213, 79, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 193, 7, 0.05) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* 确保内容在背景之上 */
.about-container > * {
    position: relative;
    z-index: 2;
}

/* 页面头部 */
.about-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-title {
    font-size: 3rem;
    color: #FF9800;
    margin-bottom: 20px;
    font-weight: 300;
    position: relative;
    display: inline-block;
    text-shadow: 0 2px 10px rgba(255, 152, 0, 0.3);
}

.about-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 25%;
    width: 50%;
    height: 3px;
    background: linear-gradient(to right, transparent, #FF9800, transparent);
}

.about-subtitle {
    font-size: 1.3rem;
    color: #ddd;
    margin-top: 30px;
    font-weight: 300;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* 任务宣言 */
.about-mission {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.15), rgba(255, 193, 7, 0.15));
    border-left: 4px solid #FF9800;
    padding: 30px;
    margin: 40px 0;
    border-radius: 0 15px 15px 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.about-mission::before {
    content: "❝";
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 4rem;
    color: rgba(255, 152, 0, 0.3);
    font-family: Georgia, serif;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.about-mission::after {
    content: "❞";
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 4rem;
    color: rgba(255, 152, 0, 0.3);
    font-family: Georgia, serif;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.about-mission-text {
    font-size: 1.4rem;
    color: #FFD54F;
    line-height: 1.8;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 40px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* 统计卡片 */
.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin: 60px 0;
}

.about-stat-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 152, 0, 0.3);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.about-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, #FF9800, #FFD54F);
    z-index: 1;
}

.about-stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(255, 152, 0, 0.25);
    border-color: #FFD54F;
    background: rgba(255, 255, 255, 0.12);
}

.about-stat-icon {
    font-size: 2.8rem;
    color: #FF9800;
    margin-bottom: 20px;
    opacity: 0.9;
    filter: drop-shadow(0 2px 5px rgba(255, 152, 0, 0.3));
}

.about-stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #FFD54F;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(255, 213, 79, 0.3);
}

.about-stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
}

/* 作者介绍 */
.about-author {
    margin: 60px 0;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(26, 35, 126, 0.15));
    border-radius: 20px;
    border: 1px solid rgba(255, 152, 0, 0.25);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.about-author::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(255, 152, 0, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 213, 79, 0.05) 0%, transparent 40%);
    z-index: 1;
}

.about-author-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.about-author-title {
    font-size: 2.2rem;
    color: #FF9800;
    margin-bottom: 15px;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

.about-author-subtitle {
    font-size: 1.2rem;
    color: #FFD54F;
    font-style: italic;
    opacity: 0.9;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.about-author-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-author-image {
    text-align: center;
    position: relative;
}

.about-author-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF9800, #FFD54F);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 5px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.about-author-img::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: about-rotate 20s linear infinite;
}

@keyframes about-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.about-author-img i {
    font-size: 8rem;
    color: white;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.about-author-info {
    color: #eee;
    line-height: 1.8;
}

.about-author-info p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.about-author-quote {
    background: rgba(255, 152, 0, 0.15);
    border-left: 4px solid #FFD54F;
    padding: 20px;
    margin: 30px 0;
    border-radius: 0 10px 10px 0;
    font-style: italic;
    color: #FFD54F;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.about-author-quote i {
    color: #FF9800;
    margin-right: 10px;
}

.about-author-quote::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 213, 79, 0.1), transparent);
    z-index: 1;
}

/* 时间线 */
.about-timeline {
    margin: 60px 0;
    position: relative;
    z-index: 2;
}

.about-timeline-title {
    font-size: 2rem;
    color: #FF9800;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
    text-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

.about-timeline-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, #FF9800, #FFD54F);
    box-shadow: 0 2px 5px rgba(255, 152, 0, 0.3);
}

.about-timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.about-timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, transparent, rgba(255, 152, 0, 0.5), rgba(255, 213, 79, 0.5), transparent);
    transform: translateX(-50%);
    z-index: 1;
}

.about-timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.about-timeline-item:nth-child(odd) {
    justify-content: flex-start;
    text-align: right;
}

.about-timeline-item:nth-child(even) {
    justify-content: flex-end;
    text-align: left;
}

.about-timeline-content {
    width: 45%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 152, 0, 0.4);
    border-radius: 10px;
    padding: 20px;
    position: relative;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.about-timeline-item:nth-child(odd) .about-timeline-content {
    border-left: 4px solid #FF9800;
}

.about-timeline-item:nth-child(even) .about-timeline-content {
    border-right: 4px solid #FFD54F;
}

.about-timeline-year {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #FF9800, #FFD54F);
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.1rem;
    z-index: 3;
    box-shadow: 0 5px 15px rgba(255, 152, 0, 0.4);
    min-width: 80px;
    text-align: center;
}

.about-timeline-item:nth-child(odd) .about-timeline-year {
    left: calc(50% + 20px);
}

.about-timeline-item:nth-child(even) .about-timeline-year {
    right: calc(50% + 20px);
}

.about-timeline-dot {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: #FFD54F;
    border-radius: 50%;
    border: 3px solid #FF9800;
    z-index: 3;
    box-shadow: 0 0 15px rgba(255, 213, 79, 0.5);
}

.about-timeline-content h4 {
    color: #FFD54F;
    margin-bottom: 10px;
    font-size: 1.2rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.about-timeline-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 团队介绍 */
.about-team {
    margin: 60px 0;
    padding: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    border: 1px solid rgba(255, 152, 0, 0.25);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(5px);
}

.about-team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(52, 152, 219, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(155, 89, 182, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.about-team-title {
    font-size: 2rem;
    color: #FF9800;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

.about-team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.about-team-member {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.about-team-member:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255, 152, 0, 0.2);
    border-color: #FF9800;
    background: rgba(255, 255, 255, 0.12);
}

.about-member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

/* Deepseek技术总监特殊样式 */
.about-deepseek-tech {
    background: linear-gradient(135deg, #1a237e 0%, #283593 30%, #3949ab 70%, #5c6bc0 100%) !important;
    border: 3px solid rgba(255, 255, 255, 0.3) !important;
    box-shadow: 
        0 10px 30px rgba(26, 35, 126, 0.5),
        inset 0 0 20px rgba(255, 255, 255, 0.1) !important;
    position: relative;
    overflow: visible !important;
    animation: about-deepseekTechGlow 4s ease-in-out infinite alternate !important;
}

@keyframes about-deepseekTechGlow {
    0% {
        box-shadow: 
            0 10px 30px rgba(26, 35, 126, 0.5),
            inset 0 0 20px rgba(255, 255, 255, 0.1),
            0 0 20px rgba(76, 175, 80, 0.3);
    }
    100% {
        box-shadow: 
            0 10px 40px rgba(26, 35, 126, 0.7),
            inset 0 0 25px rgba(255, 255, 255, 0.15),
            0 0 30px rgba(33, 150, 243, 0.5);
    }
}

/* 创建科技感图标 */
.about-deepseek-tech-icon {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* AI电路板效果 */
.about-ai-circuit {
    position: absolute;
    width: 80%;
    height: 80%;
    background: 
        linear-gradient(90deg, transparent 49%, rgba(76, 175, 80, 0.8) 49%, rgba(76, 175, 80, 0.8) 51%, transparent 51%),
        linear-gradient(transparent 49%, rgba(76, 175, 80, 0.8) 49%, rgba(76, 175, 80, 0.8) 51%, transparent 51%),
        linear-gradient(45deg, transparent 48%, rgba(33, 150, 243, 0.6) 48%, rgba(33, 150, 243, 0.6) 52%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(33, 150, 243, 0.6) 48%, rgba(33, 150, 243, 0.6) 52%, transparent 52%);
    background-size: 20px 20px;
    border-radius: 10px;
    opacity: 0.7;
    animation: about-circuitPulse 6s linear infinite;
}

@keyframes about-circuitPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(0.95);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* AI核心 */
.about-ai-core {
    position: absolute;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle at center, #2196F3 0%, #1565C0 50%, transparent 70%);
    border-radius: 50%;
    box-shadow: 
        0 0 30px rgba(33, 150, 243, 0.8),
        inset 0 0 20px rgba(255, 255, 255, 0.3);
    animation: about-coreRotate 8s linear infinite;
}

@keyframes about-coreRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 数据流火花 */
.about-ai-spark {
    position: absolute;
    width: 100%;
    height: 100%;
}

.about-ai-spark::before,
.about-ai-spark::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: #4CAF50;
    border-radius: 50%;
    box-shadow: 0 0 10px #4CAF50;
    animation: about-sparkMove 2s linear infinite;
}

.about-ai-spark::before {
    top: 15%;
    left: 15%;
    animation-delay: 0s;
}

.about-ai-spark::after {
    bottom: 20%;
    right: 20%;
    animation-delay: 1s;
}

@keyframes about-sparkMove {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    25% {
        transform: translate(10px, -10px) scale(1.5);
        opacity: 1;
    }
    50% {
        transform: translate(20px, 5px) scale(1);
        opacity: 0.5;
    }
    75% {
        transform: translate(-5px, 15px) scale(1.2);
        opacity: 0.8;
    }
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
}

/* 添加光晕效果 */
.about-deepseek-tech::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(33, 150, 243, 0.2) 45%, 
        rgba(76, 175, 80, 0.2) 55%, 
        transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: about-auraRotate 12s linear infinite;
}

@keyframes about-auraRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 悬停效果增强 */
.about-team-member:nth-child(3):hover .about-deepseek-tech {
    animation: about-deepseekTechHover 0.5s ease-out forwards;
}

@keyframes about-deepseekTechHover {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
        box-shadow: 
            0 20px 50px rgba(26, 35, 126, 0.8),
            inset 0 0 30px rgba(255, 255, 255, 0.2),
            0 0 40px rgba(33, 150, 243, 0.7);
    }
}

/* 普通团队成员头像样式 */
.about-team-member:nth-child(1) .about-member-avatar {
    background: linear-gradient(135deg, #FF9800, #FFD54F);
}

.about-team-member:nth-child(2) .about-member-avatar {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.about-member-avatar i {
    font-size: 3rem;
    color: white;
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.3));
}

.about-member-name {
    font-size: 1.3rem;
    color: #FFD54F;
    margin-bottom: 5px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.about-member-role {
    color: #FF9800;
    font-size: 0.9rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.about-member-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 网站发展 */
.about-goals {
    margin: 60px 0;
    position: relative;
    z-index: 2;
}

.about-goals-title {
    font-size: 2rem;
    color: #FF9800;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

.about-goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.about-goal-card {
    background: rgba(255, 152, 0, 0.08);
    border: 1px solid rgba(255, 152, 0, 0.25);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.about-goal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, #FF9800, #FFD54F);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.about-goal-card:hover::before {
    transform: translateX(0);
}

.about-goal-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(255, 152, 0, 0.2);
    border-color: #FFD54F;
    background: rgba(255, 152, 0, 0.12);
}

.about-goal-icon {
    font-size: 2.5rem;
    color: #FF9800;
    margin-bottom: 20px;
    filter: drop-shadow(0 3px 5px rgba(255, 152, 0, 0.3));
}

.about-goal-title {
    font-size: 1.3rem;
    color: #FFD54F;
    margin-bottom: 15px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.about-goal-desc {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* 联系邀请 */
.about-contact {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.15), rgba(255, 193, 7, 0.15));
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    margin: 60px 0;
    border: 1px solid rgba(255, 152, 0, 0.3);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.about-contact-title {
    font-size: 2.2rem;
    color: #FFD54F;
    margin-bottom: 20px;
    text-shadow: 0 2px 8px rgba(255, 213, 79, 0.3);
}

.about-contact-text {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.about-contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.about-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #FF9800, #FFB300);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 5px 15px rgba(255, 152, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.about-contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.about-contact-btn:hover::before {
    transform: translateX(100%);
}

.about-contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 152, 0, 0.4);
    background: linear-gradient(135deg, #FFB300, #FFD54F);
}

.about-contact-btn.secondary {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.about-contact-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* 页脚链接 */
.about-footer-links {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    position: relative;
    z-index: 2;
}

.about-footer-links p {
    color: #aaa;
    margin-bottom: 15px;
}

.about-footer-links-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.about-footer-link {
    color: #FF9800;
    text-decoration: none;
    transition: all 0.3s ease;
}

.about-footer-link:hover {
    color: #FFD54F;
    text-decoration: underline;
}

/* 页尾信息 */
.about-footer-info {
    text-align: center;
    margin-top: 50px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    position: relative;
    z-index: 2;
}

.about-footer-info p {
    margin: 5px 0;
}

/* 动画效果 */
@keyframes about-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-fade-in-up {
    animation: about-fadeInUp 0.8s ease forwards;
}

.about-delay-1 { animation-delay: 0.2s; opacity: 0; }
.about-delay-2 { animation-delay: 0.4s; opacity: 0; }
.about-delay-3 { animation-delay: 0.6s; opacity: 0; }
.about-delay-4 { animation-delay: 0.8s; opacity: 0; }
.about-delay-5 { animation-delay: 1s; opacity: 0; }

/* 浮动动画 */
@keyframes about-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.about-floating {
    animation: about-float 6s ease-in-out infinite;
}

.about-delay-float-1 { animation-delay: 0.5s; }
.about-delay-float-2 { animation-delay: 1s; }
.about-delay-float-3 { animation-delay: 1.5s; }
.about-delay-float-4 { animation-delay: 2s; }

/* 高亮文本效果 */
.about-highlight-text {
    background: linear-gradient(45deg, #2196F3, #4CAF50);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(33, 150, 243, 0.3);
}

.about-deepseek-active {
    animation: about-deepseekPulse 1s ease-in-out;
}

@keyframes about-deepseekPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

/* 数据流效果 */
.about-data-stream {
    position: absolute;
    width: 2px;
    height: 2px;
    background: linear-gradient(to right, #4CAF50, #2196F3);
    border-radius: 50%;
    box-shadow: 0 0 5px #4CAF50;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-container {
        padding: 20px;
        margin: 20px;
        margin-top: 10px;
    }
    
    .about-header-placeholder {
        height: 70px;
    }
    
    .about-title {
        font-size: 2.2rem;
    }
    
    .about-subtitle {
        font-size: 1.1rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .about-stat-card {
        padding: 20px 15px;
    }
    
    .about-stat-value {
        font-size: 2rem;
    }
    
    .about-author {
        padding: 20px;
    }
    
    .about-author-title {
        font-size: 1.8rem;
    }
    
    .about-author-img {
        width: 200px;
        height: 200px;
    }
    
    .about-author-content {
        grid-template-columns: 1fr;
    }
    
    .about-timeline-container::before {
        left: 20px;
    }
    
    .about-timeline-item {
        justify-content: flex-start !important;
        text-align: left !important;
    }
    
    .about-timeline-content {
        width: calc(100% - 60px);
        margin-left: 40px;
        border-left: 4px solid #FF9800 !important;
        border-right: none !important;
    }
    
    .about-timeline-year {
        left: 20px !important;
        right: auto !important;
        transform: translate(-50%, -50%);
        min-width: 60px;
        padding: 8px 15px;
        font-size: 1rem;
    }
    
    .about-timeline-dot {
        left: 20px;
    }
    
    .about-team-grid,
    .about-goals-grid {
        grid-template-columns: 1fr;
    }
    
    .about-contact {
        padding: 30px 20px;
    }
    
    .about-contact-title {
        font-size: 1.8rem;
    }
    
    .about-contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-contact-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .about-deepseek-tech-icon {
        transform: scale(0.9);
    }
    
    .about-ai-circuit {
        background-size: 15px 15px;
    }
}

@media (max-width: 480px) {
    .about-title {
        font-size: 1.8rem;
    }
    
    .about-mission-text {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .about-author-img {
        width: 150px;
        height: 150px;
    }
    
    .about-author-img i {
        font-size: 5rem;
    }
    
    .about-timeline-year {
        padding: 6px 12px;
        font-size: 0.9rem;
        min-width: 50px;
    }
    
    .about-header-placeholder {
        height: 65px;
    }
}

/* 触摸设备优化 */
@media (hover: hover) {
    .about-deepseek-tech:hover {
        transform: scale(1.05);
        transition: transform 0.3s ease;
    }
}

/* 打印优化 */
@media print {
    .about-deepseek-tech {
        animation: none !important;
        box-shadow: none !important;
    }
    
    .about-ai-circuit, .about-ai-core, .about-ai-spark {
        display: none;
    }
    
    .about-deepseek-tech {
        background: linear-gradient(135deg, #1a237e, #3949ab) !important;
        border: 2px solid #1a237e !important;
    }
}

/* 辅助样式 */
.about-page {
    position: relative;
    z-index: 1;
}

/* 确保统计卡片在移动设备上正确显示 */
@media (max-width: 360px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .about-stat-card {
        padding: 15px 10px;
    }
    
    .about-stat-value {
        font-size: 1.8rem;
    }
    
    .about-stat-icon {
        font-size: 2rem;
    }
}

/* 确保深色模式下样式正确 */
@media (prefers-color-scheme: dark) {
    .about-container {
        background: rgba(5, 5, 15, 0.9);
    }
    
    .about-stat-card {
        background: rgba(255, 255, 255, 0.05);
    }
    
    .about-team-member {
        background: rgba(255, 255, 255, 0.05);
    }
}

/* 性能优化 - 减少动画对低性能设备的影响 */
@media (prefers-reduced-motion: reduce) {
    .about-fade-in-up,
    .about-floating,
    .about-deepseek-active,
    .about-ai-circuit,
    .about-ai-core,
    .about-ai-spark::before,
    .about-ai-spark::after,
    .about-deepseek-tech,
    .about-goal-card::before,
    .about-contact-btn::before {
        animation: none !important;
        transition: none !important;
    }
    
    .about-author-img::before {
        animation: none;
    }
    
    .about-stat-card:hover,
    .about-team-member:hover,
    .about-goal-card:hover,
    .about-contact-btn:hover {
        transform: none;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .about-title,
    .about-author-title,
    .about-timeline-title,
    .about-team-title,
    .about-goals-title,
    .about-contact-title {
        color: #FF6600;
        text-shadow: 0 0 5px rgba(255, 102, 0, 0.5);
    }
    
    .about-stat-value,
    .about-member-name,
    .about-goal-title {
        color: #FFCC00;
    }
    
    .about-container {
        border: 2px solid #FF9800;
    }
}

/* 滚动的视差效果 */
@media (prefers-reduced-data: no-preference) {
    .about-author::before,
    .about-team::before,
    .about-container::before {
        background-attachment: fixed;
    }
}