/* ==================== 首页专用样式文件 ====================
 * 依赖: common.css（必须先加载）
 * ================================================= */

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(var(--glow-rgb), 0.03) 2px,
            rgba(var(--glow-rgb), 0.03) 4px);
    pointer-events: none;
}

/* 浅色模式下去除扫描线 */
[data-theme="light"] .about::before {
    background: none;
}

/* ========== 首屏Hero区域 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 8rem 20px 4rem;
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* Matrix代码雨背景 */
.matrix-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

.hero-container {
    max-width: 1100px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-image {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 380px;
    height: auto;
    border-radius: 0;
    border: 3px solid var(--terminal-green);
    box-shadow: 0 0 20px var(--terminal-shadow), inset 0 0 20px var(--terminal-shadow);
    object-fit: cover;
    transition: transform 0.3s ease;
    filter: contrast(1.1) brightness(0.9);
    margin-bottom: 1.5rem;
}

.hero-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px var(--terminal-shadow);
}

.hero-content {
    text-align: left;
}

.hero-title.name-only {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 0;
    color: var(--terminal-green-bright);
    text-shadow: 0 0 20px rgba(var(--glow-rgb), 0.5);
    letter-spacing: 4px;
    text-align: center;
}

/* 浅色模式下去除发光 */
[data-theme="light"] .hero-title.name-only {
    text-shadow: none;
    color: var(--text-primary);
}

/* ========== 核心证书与荣誉 (Hero Honors) ========== */
.hero-honors {
    margin: 0 0 1.5rem 0;
    background: rgba(var(--glow-rgb), 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    max-width: 650px;
}

.hero-honors:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.1);
}

.honors-title {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin: 0 0 1.2rem 0;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px dashed rgba(var(--glow-rgb), 0.3);
    padding-bottom: 0.8rem;
}

[data-theme="light"] .honors-title {
    border-bottom: 1px dashed #eaeaea;
}

.hero-honors-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.honor-item {
    display: flex;
    align-items: flex-start;
}

.honor-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.honor-name {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

[data-theme="light"] .honor-name {
    color: #1a1a1a;
    font-weight: 600;
}

.honor-org {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

[data-theme="light"] .honor-org {
    color: #666;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--terminal-green);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-family: 'Courier New', monospace;
    opacity: 0.8;
}

.hero-subtitle::before {
    content: '> ';
    color: var(--terminal-green-bright);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

.scroll-indicator {
    position: absolute;
    bottom: 0.5rem;
    animation: bounce 2s infinite, scrollColorPulse 3s ease-in-out infinite;
    font-size: 2rem;
    color: var(--terminal-green);
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.6);
}

@keyframes scrollColorPulse {

    0%,
    100% {
        color: var(--terminal-green);
        text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.8);
    }

    50% {
        color: #00bfff;
        text-shadow: 0 0 20px rgba(0, 191, 255, 0.8);
    }
}

/* 浅色模式下去除滚动提示颜色脉冲 */
[data-theme="light"] .scroll-indicator {
    animation: bounce 2s infinite;
    color: var(--text-secondary);
    text-shadow: none;
}

/* ========== 照片轮播区域 ========== */
.carousel-section {
    padding: 4rem 0;
    background-color: var(--bg-primary);
}

.carousel-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border-radius: 0;
    border: 3px solid var(--terminal-green);
    box-shadow: 0 0 30px rgba(var(--glow-rgb), 0.3), inset 0 0 20px rgba(var(--glow-rgb), 0.1);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
    display: none;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide a {
    display: block;
    position: relative;
    text-decoration: none;
    cursor: pointer;
}

.carousel-slide a:hover img {
    filter: contrast(1.1) brightness(1.0);
    transform: scale(1.02);
    transition: all 0.3s ease;
}

.carousel-slide a:hover .slide-caption {
    background: linear-gradient(to top, rgba(var(--glow-rgb), 0.2), transparent);
}

.carousel-slide img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    filter: contrast(1.1) brightness(0.95);
    transition: all 0.3s ease;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--terminal-green-bright);
    padding: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.8);
    transition: all 0.3s ease;
}

.slide-caption i {
    font-size: 1rem;
    margin-left: 0.5rem;
    opacity: 0.8;
}

.slide-caption::before {
    content: '> ';
    color: var(--terminal-green);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(10, 10, 10, 0.9);
    border: 2px solid var(--terminal-green);
    width: 50px;
    height: 50px;
    border-radius: 0;

    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--terminal-green);
    transition: all 0.3s ease;
    z-index: 10;
    font-family: 'Courier New', monospace;
}

.carousel-btn:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.8);
}

.carousel-btn.prev {
    left: 1rem;
}

.carousel-btn.prev::before {
    content: '<';
}

.carousel-btn.next {
    right: 1rem;
}

.carousel-btn.next::before {
    content: '>';
}

.carousel-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 0;
    background-color: rgba(var(--glow-rgb), 0.3);
    border: 1px solid var(--terminal-green);

    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background-color: var(--terminal-green);
    width: 30px;
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.8);
}

/* ========== 关于我区域 ========== */
.about {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(var(--glow-rgb), 0.03) 2px,
            rgba(var(--glow-rgb), 0.03) 4px);
    pointer-events: none;
}


.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
    /* 改为顶部对齐 */
    position: relative;
    z-index: 1;
}

.about-image {
    position: sticky;
    top: 100px;
    /* 图片向上固定 */
    align-self: start;
}

.about-image img {
    width: 100%;
    border-radius: 4px;
    /* 轻微圆角 */
    border: none;
    /* 移除厚重边框 */
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    /* 现代悬浮阴影 */
    filter: contrast(1.05) brightness(0.95);
    /* 更自然的滤镜 */
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--terminal-green-bright);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
}

.about-text h3::before {
    content: '> ';
    color: var(--terminal-green);
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--terminal-green);
    line-height: 1.8;
    font-family: 'Courier New', monospace;
    opacity: 0.9;
    padding-left: 20px;
    border-left: 3px solid var(--terminal-green-dark);
}



/* 英文段落样式 */
.about-text p.text-en {
    /* opacity: 0.75; 移除此行，交由动画控制 */
    font-size: 0.95em;
    /* 稍微调大一点 */
    font-weight: 400;
    /* 确保不适用过细的字重 */
    letter-spacing: 0.02em;
    /* 增加一点字间距提升阅读感 */
    line-height: 1.7;
    /* 优化行高 */
    margin-bottom: 1rem;
    border-left-color: var(--terminal-green-dark);
    background: rgba(var(--glow-rgb), 0.03);
    padding: 0.3rem 1rem 0.3rem 20px;
    border-radius: 2px;
}



/* ========== 专业技能 (Professional Skills) ========== */
.professional-skills-section {
    margin: 2.5rem 0;
    position: relative;
    z-index: 10;
}

.skills-card-container {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.skill-card {
    background: rgba(var(--glow-rgb), 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.skill-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.1);
    transform: translateX(5px);
}

.skill-title {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin: 0 0 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

[data-theme="light"] .skill-title {
    color: #1a1a1a;
    font-weight: 600;
}

.skill-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

[data-theme="light"] .skill-desc {
    color: #555;
    line-height: 1.8;
}

.skill-desc b {
    color: var(--text-primary);
    font-weight: 600;
}

[data-theme="light"] .skill-desc b {
    color: #333;
}

/* ========== 实习经历 ========== */
.experience-section {
    margin: 2.5rem 0;
}

.experience-card {
    background: rgba(var(--glow-rgb), 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.experience-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.1);
}

.experience-header {
    border-bottom: 1px dashed rgba(var(--glow-rgb), 0.3);
    padding-bottom: 1rem;
    margin-bottom: 1.2rem;
}

[data-theme="light"] .experience-header {
    border-bottom: 1px dashed #eaeaea;
}

.company-role {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.company-role h5 {
    font-size: 1.15rem;
    color: var(--accent-color);
    margin: 0;
    font-weight: 600;
}

[data-theme="light"] .company-role h5 {
    color: #1a1a1a;
}

.experience-date {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--terminal-green);
    background: rgba(var(--glow-rgb), 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    white-space: nowrap;
}

[data-theme="light"] .experience-date {
    background: #f0f0f0;
    color: #555;
}

.experience-meta {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.experience-item {
    margin-bottom: 1.2rem;
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-item h6 {
    display: none;
    /* Just in case any old h6 remains */
}

.experience-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    margin-bottom: 0.8rem;
    padding-left: 1.2rem;
}

.experience-item p strong {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-right: 0.2rem;
}

[data-theme="light"] .experience-item p strong {
    color: #333;
}

@media (max-width: 768px) {
    .company-role {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
}

/* ========== 学生时代预览区域 ========== */
.student-life {
    padding: 6rem 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.student-life::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(var(--glow-rgb), 0.03) 2px,
            rgba(var(--glow-rgb), 0.03) 4px);
    pointer-events: none;
}


.student-preview {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.memory-card {
    background: rgba(var(--glow-rgb), 0.05);
    border: 3px solid var(--terminal-green);
    padding: 3rem;
    text-align: center;

    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.3), inset 0 0 30px rgba(var(--glow-rgb), 0.1);
}

.memory-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(var(--glow-rgb), 0.1) 50%,
            transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.memory-card:hover::before {
    left: 100%;
}

.memory-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 0 40px rgba(var(--glow-rgb), 0.6), inset 0 0 40px rgba(var(--glow-rgb), 0.2);
    border-color: var(--terminal-green-bright);
}

.memory-icon {
    font-size: 4rem;
    /* 渐变色图标：从金色到绿色 */
    background: linear-gradient(135deg, #ffc800 0%, #00ff00 50%, #00bfff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 20px rgba(255, 200, 0, 0.6)) drop-shadow(0 0 10px rgba(var(--glow-rgb), 0.4));
    animation: float 3s ease-in-out infinite, colorShift 5s ease-in-out infinite;
}

/* 白天模式下图标改为和其他图标相同的深色 */
html[data-theme="light"] .memory-icon {
    background: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    -webkit-text-fill-color: #444 !important;
    color: #444;
    filter: none !important;
    animation: float 3s ease-in-out infinite;
}

@keyframes colorShift {

    0%,
    100% {
        filter: drop-shadow(0 0 20px rgba(255, 200, 0, 0.6)) drop-shadow(0 0 10px rgba(var(--glow-rgb), 0.4));
    }

    25% {
        filter: drop-shadow(0 0 20px rgba(var(--glow-rgb), 0.6)) drop-shadow(0 0 10px rgba(0, 191, 255, 0.4));
    }

    50% {
        filter: drop-shadow(0 0 20px rgba(0, 191, 255, 0.6)) drop-shadow(0 0 10px rgba(255, 105, 180, 0.4));
    }

    75% {
        filter: drop-shadow(0 0 20px rgba(255, 140, 0, 0.6)) drop-shadow(0 0 10px rgba(255, 200, 0, 0.4));
    }
}

.memory-card h3 {
    font-size: 2rem;
    color: var(--terminal-green-bright);
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.memory-card h3::before {
    content: '< ';
    color: var(--terminal-green);
}

.memory-card h3::after {
    content: ' >';
    color: var(--terminal-green);
}

.memory-card>p {
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.memory-stats {
    display: flex;
    justify-content: space-around;
    margin: 2rem 0;
    padding: 1.5rem;
    background: transparent;
    border: none;
}

.memory-stats span {
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.memory-stats i {
    font-size: 1.5rem;
    color: var(--terminal-green-bright);
    filter: drop-shadow(0 0 6px rgba(var(--glow-rgb), 0.6));
}

.explore-btn {
    background: transparent;
    color: var(--terminal-green);
    border: 2px solid var(--terminal-green);
    padding: 1rem 2rem;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;

    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 1rem;
}

.explore-btn::before {
    content: '[';
    margin-right: 5px;
}

.explore-btn::after {
    content: ']';
    margin-left: 5px;
}

.explore-btn:hover {
    background: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.8);
    transform: translateY(-2px);
}

.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.preview-item {
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--terminal-green-dark);
    padding: 2rem;
    text-align: center;

    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.preview-item:hover {
    border-color: var(--terminal-green);
    background: rgba(var(--glow-rgb), 0.1);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.5);
}

.preview-item i {
    font-size: 2.5rem;
    color: var(--terminal-green-bright);
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.6);
}

.preview-item span {
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    text-transform: uppercase;
}

.preview-item::before {
    content: none;
    color: var(--terminal-green-dark);
    font-size: 1.2rem;
}

/* 荣誉证书项特殊样式（可点击） */
/* 为不同类别添加特定样式 - 统一绿色主题 */
/* Academic Life */
.preview-item[data-category="study"] {
    cursor: pointer;
}

.preview-item[data-category="study"] i {
    color: var(--terminal-green-bright);
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.6);
}

.preview-item[data-category="study"]:hover {
    border-color: var(--terminal-green);
    background: rgba(var(--glow-rgb), 0.08);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.3);
}

/* Activities (仅展示，不可点击) */
.preview-item[data-category="activities"] i {
    color: var(--terminal-green-bright);
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.6);
}

.preview-item[data-category="activities"]:hover {
    border-color: var(--terminal-green);
    background: rgba(var(--glow-rgb), 0.08);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.3);
}

/* Friendships (仅展示，不可点击) */
.preview-item[data-category="friends"] i {
    color: var(--terminal-green-bright);
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.6);
}

.preview-item[data-category="friends"]:hover {
    border-color: var(--terminal-green);
    background: rgba(var(--glow-rgb), 0.08);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.3);
}

/* Achievements - 保持金色强调 */
.preview-item[data-category="achievements"] {
    border-color: var(--terminal-green);
    background: rgba(var(--glow-rgb), 0.08);
    position: relative;
    cursor: pointer;
}

.preview-item[data-category="achievements"]::after {
    content: '→';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--terminal-green);
    opacity: 0;
    transition: all 0.3s ease;
}

.preview-item[data-category="achievements"]:hover::after {
    opacity: 1;
    right: 10px;
}

.preview-item[data-category="achievements"]:hover {
    background: rgba(var(--glow-rgb), 0.15);
    box-shadow: 0 0 25px rgba(var(--glow-rgb), 0.6);
    transform: scale(1.08);
}

/* 为成就项添加金色图标 */
.preview-item[data-category="achievements"] i {
    color: #ffc800;
    text-shadow: 0 0 10px rgba(255, 200, 0, 0.6);
}

/* ========== 作品集区域 ========== */
.portfolio {
    padding: 6rem 0;
    background-color: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    perspective: 1000px;
}

.portfolio-item {
    background-color: rgba(var(--glow-rgb), 0.05);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.2);
    border: 2px solid var(--terminal-green-dark);
    transition: transform 0.6s;
    transform-style: preserve-3d;
    position: relative;
}

.portfolio-item:hover {
    transform: rotateY(5deg) rotateX(5deg) translateY(-10px);
    box-shadow: 0 0 30px rgba(var(--glow-rgb), 0.5);
    border-color: var(--terminal-green);
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(var(--glow-rgb), 0.1) 50%,
            transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: -1;
}

.portfolio-item:hover::before {
    opacity: 1;
    animation: shine 1.5s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(200%) rotate(45deg);
    }
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    border-bottom: 2px solid var(--terminal-green-dark);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    filter: contrast(1.1) brightness(0.95);
    transition: transform 0.3s ease;
}

/* 不使用终端绿色滤镜的图片（如使用原始彩色封面图的项目） */
.portfolio-image img.no-filter {
    filter: none;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--terminal-green-bright);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-info h3::before {
    content: none;
}

.portfolio-info p {
    color: var(--terminal-green);
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    opacity: 0.8;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-tags span {
    padding: 0.25rem 0.75rem;
    background-color: transparent;
    color: var(--terminal-green);
    border: 1px solid var(--terminal-green);
    border-radius: 0;
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

.portfolio-tags span::before {
    content: '#';
}

.portfolio-tags span:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.6);
}

/* 项目详情 */
.portfolio-details {
    margin: 1rem 0;
    padding: 1rem;
    background-color: rgba(var(--glow-rgb), 0.03);
    border-left: 3px solid var(--terminal-green-dark);
}

.project-highlights {
    font-size: 0.9rem;
    color: var(--terminal-green-bright);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    font-size: 0.85rem;
    color: var(--terminal-green);
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-family: 'Courier New', monospace;
    opacity: 0.9;
}

.feature-list li::before {
    content: none;
}

/* 项目链接 */
.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--terminal-green-dark);
}

.project-link {
    flex: 1;
    padding: 0.5rem 1rem;
    background-color: transparent;
    color: var(--terminal-green);
    border: 2px solid var(--terminal-green-dark);
    text-decoration: none;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.project-link:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    border-color: var(--terminal-green);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.6);
    transform: translateY(-2px);
}

.project-link i {
    font-size: 1rem;
}

/* 项目状态徽章 */
.project-status {
    margin-top: 1rem;
}

.status-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 0;
    font-weight: 600;
}

.status-badge.in-progress {
    background-color: rgba(255, 165, 0, 0.2);
    color: #ffa500;
    border: 2px solid #ffa500;
    animation: pulse-orange 2s infinite;
}

.status-badge.planned {
    background-color: rgba(0, 191, 255, 0.2);
    color: #00bfff;
    border: 2px solid #00bfff;
}

@keyframes pulse-orange {

    0%,
    100% {
        box-shadow: 0 0 5px rgba(255, 165, 0, 0.5);
    }

    50% {
        box-shadow: 0 0 15px rgba(255, 165, 0, 0.8);
    }
}

/* ========== AI对话界面 ========== */
.ai-chat {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.quick-questions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.quick-question {
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--terminal-green-dark);
    border-radius: 0;

    transition: all 0.3s ease;
    font-size: 0.95rem;
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
}

.quick-question::before {
    content: '? ';
    color: var(--terminal-green-bright);
}

.quick-question:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    border-color: var(--terminal-green);
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.6);
}

.chat-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-primary);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(var(--glow-rgb), 0.4), inset 0 0 30px rgba(var(--glow-rgb), 0.1);
    border: 3px solid var(--terminal-green);
}

.chat-messages {
    height: 500px;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.message {
    display: flex;
    gap: 1rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.user-message {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 0;
    background-color: rgba(var(--glow-rgb), 0.2);
    border: 2px solid var(--terminal-green);
    color: var(--terminal-green-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.user-message .message-avatar {
    background-color: rgba(var(--glow-rgb), 0.3);
    border-color: var(--terminal-green-bright);
}

.message-content {
    max-width: 70%;
}

.message-text {
    background-color: rgba(var(--glow-rgb), 0.05);
    padding: 1rem 1.25rem;
    border-radius: 0;
    line-height: 1.6;
    border: 1px solid var(--terminal-green-dark);
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
}

.user-message .message-text {
    background-color: rgba(var(--glow-rgb), 0.1);
    color: var(--terminal-green-bright);
    border: 1px solid var(--terminal-green);
}

.user-message .message-text::before {
    content: '> ';
    color: var(--terminal-green-bright);
}

.message-time {
    font-size: 0.75rem;
    color: var(--terminal-green-dark);
    margin-top: 0.5rem;
    padding: 0 0.25rem;
    font-family: 'Courier New', monospace;
}

.message-time::before {
    content: '[';
}

.message-time::after {
    content: ']';
}

/* 代码块样式 */
.message-text pre {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 1rem;
    border-radius: 0;
    overflow-x: auto;
    margin: 0.5rem 0;
    border: 1px solid var(--terminal-green-dark);
    box-shadow: inset 0 0 10px rgba(var(--glow-rgb), 0.1);
}

.message-text code {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--terminal-green);
}

.message-text :not(pre)>code {
    background-color: rgba(var(--glow-rgb), 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 0;
    color: var(--terminal-green-bright);
    border: 1px solid var(--terminal-green-dark);
}

/* 正在输入指示器 */
.typing-indicator {
    display: flex;
    gap: 1rem;
    padding: 0 2rem;
}

.typing-dots {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background-color: rgba(var(--glow-rgb), 0.05);
    padding: 1rem 1.25rem;
    border-radius: 0;
    border: 1px solid var(--terminal-green-dark);
}

.typing-dots span {
    width: 8px;
    height: 8px;
    border-radius: 0;
    background-color: var(--terminal-green);
    animation: typingDot 1.4s infinite;
    box-shadow: 0 0 5px rgba(var(--glow-rgb), 0.6);
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* 聊天输入区域 */
.chat-input-container {
    background-color: rgba(var(--glow-rgb), 0.05);
    padding: 1.5rem;
    border-top: 2px solid var(--terminal-green);
    display: flex;
    gap: 1rem;
    align-items: center;
}

.chat-input-container::before {
    content: '$';
    color: var(--terminal-green-bright);
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: bold;
}

.chat-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--terminal-green-dark);
    color: var(--terminal-green);
    padding: 0.5rem 1rem;
    border-radius: 0;

    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
}

.control-btn:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.5);
}

.chat-input-wrapper {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    flex: 1;
}

.chat-input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 2px solid var(--terminal-green-dark);
    border-radius: 0;
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    resize: none;
    max-height: 120px;
    transition: all 0.3s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--terminal-green);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.5);
    background-color: rgba(0, 0, 0, 0.7);
}

.chat-input::placeholder {
    color: var(--terminal-green-dark);
}

.send-btn {
    background-color: transparent;
    color: var(--terminal-green);
    border: 2px solid var(--terminal-green);
    padding: 0.875rem 1.5rem;
    border-radius: 0;

    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    text-transform: uppercase;
}

.send-btn::before {
    content: '[';
}

.send-btn::after {
    content: ']';
}

.send-btn:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.8);
}

.send-btn:disabled {
    background-color: transparent;
    border-color: var(--terminal-green-dark);
    color: var(--terminal-green-dark);
    cursor: not-allowed;
    transform: none;
    opacity: 0.3;
}

/* ========== 页脚区域 ========== */
.footer {
    padding: 5rem 0 3rem;
    background-color: var(--bg-primary);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: repeating-linear-gradient(90deg,
            var(--terminal-green) 0px,
            var(--terminal-green) 10px,
            transparent 10px,
            transparent 20px);
    opacity: 0.3;
}


.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--terminal-green-bright);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-section h3::before {
    content: '[';
    color: var(--terminal-green);
}

.footer-section h3::after {
    content: ']';
    color: var(--terminal-green);
}

.footer-section p,
.footer-section ul {
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
    opacity: 0.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li::before {
    content: '> ';
    color: var(--terminal-green-dark);
}

.footer-section a {
    color: var(--terminal-green);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: var(--terminal-green-bright);
    text-shadow: 0 0 10px rgba(var(--glow-rgb), 0.8);
}

/* 联系信息项 */
.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background-color: rgba(var(--glow-rgb), 0.03);
    border-left: 2px solid var(--terminal-green-dark);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background-color: rgba(var(--glow-rgb), 0.08);
    border-left-color: var(--terminal-green);
}

.contact-item i {
    color: var(--terminal-green);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-text {
    flex: 1;
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--terminal-green-dark);
    color: var(--terminal-green);
    padding: 0.25rem 0.5rem;

    transition: all 0.3s ease;
    font-size: 0.85rem;
}

.copy-btn:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.5);
}

.footer-description {
    margin: 1rem 0;
    line-height: 1.6;
}

.contact-buttons {
    margin-top: 1rem;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    color: var(--terminal-green);
    border: 2px solid var(--terminal-green);
    text-decoration: none;
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

.contact-button:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.6);
    transform: translateY(-2px);
}

/* 复制提示消息 */
.copy-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: rgba(var(--glow-rgb), 0.95);
    color: var(--terminal-bg);
    padding: 1rem 1.5rem;
    border-radius: 0;
    border: 2px solid var(--terminal-green-bright);
    box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.8);
    font-family: 'Courier New', monospace;
    font-weight: 600;
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-toast.show {
    opacity: 1;
    transform: translateY(0);
}

.copy-toast i {
    font-size: 1.2rem;
}

.subscribe-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.subscribe-form input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--terminal-green-dark);
    border-radius: 0;
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
}

.subscribe-form input:focus {
    outline: none;
    border-color: var(--terminal-green);
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.5);
}

.subscribe-form input::placeholder {
    color: var(--terminal-green-dark);
}

.subscribe-form button {
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    color: var(--terminal-green);
    border: 2px solid var(--terminal-green);
    border-radius: 0;

    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
}

.subscribe-form button:hover {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.6);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 0;
    background-color: transparent;
    color: var(--terminal-green);
    border: 2px solid var(--terminal-green-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 2px solid var(--terminal-green-dark);
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
}

.footer-bottom::before {
    content: '[SYSTEM] ';
    color: var(--terminal-green-dark);
}

.footer-bottom::after {
    content: ' | Uptime: 99.9% | Status: ONLINE';
    color: var(--terminal-green-dark);
    font-size: 0.9em;
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.footer-links a {
    color: var(--terminal-green);
    font-family: 'Courier New', monospace;
}

.footer-links a::before {
    content: '[ ';
}

.footer-links a::after {
    content: ' ]';
}

/* ========== 响应式设计 ========== */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-image {
        order: -1;
        justify-content: center;
    }

    .hero-image img {
        max-width: 280px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
        flex-direction: column;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .greeting {
        font-size: 1.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .carousel-slide img {
        height: 300px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        position: relative;
        top: 0;
        margin-bottom: 2rem;
    }

    .skills-categories {
        grid-template-columns: 1fr;
        /* 移动端单列 */
    }

    .student-preview {
        grid-template-columns: 1fr;
    }

    .preview-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .chat-messages {
        height: 400px;
    }

    .message-content {
        max-width: 85%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-image img {
        max-width: 220px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .quick-questions {
        flex-direction: column;
    }

    .quick-question {
        width: 100%;
    }

    .chat-input-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .send-btn {
        width: 100%;
    }
}

/* =========================================
   浅色模式极简去边框覆盖与视觉统一 (Light Mode Minimalist Overrides)
   ========================================= */

/* 1. 统一所有大区块背景为基础米白，从而衬托上方纯白卡片 */
[data-theme="light"] .hero,
[data-theme="light"] .carousel-section,
[data-theme="light"] .about,
[data-theme="light"] .student-life,
[data-theme="light"] .portfolio,
[data-theme="light"] .ai-chat,
[data-theme="light"] .footer,
[data-theme="light"] .static-gallery-section {
    background: var(--bg-primary) !important;
}

/* 2. 将内容卡片严格统一为大面积纯白、无边框、淡阴影 */
[data-theme="light"] .memory-card,
[data-theme="light"] .portfolio-item,
[data-theme="light"] .chat-container,
[data-theme="light"] .preview-item,
[data-theme="light"] .experience-card,
[data-theme="light"] .skill-card,
[data-theme="light"] .hero-honors {
    background: #fff !important;
    border: none !important;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

[data-theme="light"] .memory-card:hover,
[data-theme="light"] .portfolio-item:hover,
[data-theme="light"] .preview-item:hover,
[data-theme="light"] .experience-card:hover,
[data-theme="light"] .skill-card:hover,
[data-theme="light"] .hero-honors:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08) !important;
    background: #fff !important;
    border: none !important;
}

/* 3. 子元素扁平化处理 */
[data-theme="light"] .memory-stats,
[data-theme="light"] .ai-chat,
[data-theme="light"] .portfolio-details,
[data-theme="light"] .project-links,
[data-theme="light"] .contact-item,
[data-theme="light"] .chat-input-container {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
}

[data-theme="light"] .preview-item i {
    color: var(--text-primary) !important;
    text-shadow: none !important;
}

[data-theme="light"] .preview-item span {
    color: var(--text-secondary);
    font-family: var(--font-sans);
}

[data-theme="light"] .preview-item::before {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* 按钮和输入框改为极细淡边框 */
[data-theme="light"] .explore-btn,
[data-theme="light"] .project-link,
[data-theme="light"] .quick-question,
[data-theme="light"] .control-btn,
[data-theme="light"] .chat-input,
[data-theme="light"] .send-btn,
[data-theme="light"] .copy-btn,
[data-theme="light"] .contact-button,
[data-theme="light"] .subscribe-form input,
[data-theme="light"] .portfolio-tags span {
    border: 1px solid var(--border-color) !important;
    background: transparent;
    color: var(--text-primary);
}

/* 悬停状态稍微加深 */
[data-theme="light"] .explore-btn:hover,
[data-theme="light"] .project-link:hover,
[data-theme="light"] .quick-question:hover,
[data-theme="light"] .control-btn:hover,
[data-theme="light"] .send-btn:hover,
[data-theme="light"] .copy-btn:hover,
[data-theme="light"] .contact-button:hover,
[data-theme="light"] .portfolio-tags span:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color) !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1) !important;
}

/* 消息气泡去边框 */
[data-theme="light"] .message-text,
[data-theme="light"] .user-message .message-text,
[data-theme="light"] .typing-dots {
    border: none !important;
    background-color: #f0f0f0 !important;
    color: var(--text-primary);
}

[data-theme="light"] .user-message .message-text {
    background-color: #e6e6e6 !important;
}

/* 移除页脚装饰线 */
[data-theme="light"] .footer::before {
    display: none;
}

/* 状态徽章优化 */
[data-theme="light"] .status-badge {
    border-width: 1px;
}

/* =========================================
   静态精选集区域 (Static Gallery)
   ========================================= */
.static-gallery-section {
    padding: 6rem 0;
    background-color: var(--bg-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.gallery-card {
    position: relative;
    border: 2px solid var(--terminal-green);
    background: rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: all 0.3s ease;
}

.gallery-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: contrast(1.1) brightness(0.9) grayscale(100%);
}

.gallery-card:hover .gallery-image-wrapper img {
    transform: scale(1.05);
    filter: contrast(1.1) brightness(1) grayscale(0%);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: #ffffff;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 1.25rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(var(--glow-rgb), 0.5);
    background: transparent;
    border: none;
    padding: 0;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.gallery-card:hover .gallery-overlay span {
    transform: translateY(0);
}

.gallery-info {
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--terminal-green-dark);
}

.gallery-info h3 {
    color: var(--terminal-green-bright);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-family: 'Courier New', monospace;
}

.gallery-info p {
    color: var(--terminal-green);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Light Mode Overrides for Gallery */
[data-theme="light"] .static-gallery-section {
    border-top: none;
    background: var(--bg-secondary);
}

[data-theme="light"] .gallery-card {
    border: none !important;
    background: transparent;
    box-shadow: none !important;
}

[data-theme="light"] .gallery-image-wrapper {
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    /* 图片本身加阴影 */
}

[data-theme="light"] .gallery-image-wrapper img {
    filter: none;
}

[data-theme="light"] .gallery-info {
    border-top: none;
    padding: 1.5rem 0.5rem;
}

[data-theme="light"] .gallery-info h3 {
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-weight: 600;
}

[data-theme="light"] .gallery-info p {
    color: var(--text-secondary);
    font-family: var(--font-sans);
}

[data-theme="light"] .gallery-overlay {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
}

[data-theme="light"] .gallery-overlay span {
    color: #ffffff;
    background: transparent;
    border: none;
    box-shadow: none;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
    font-family: var(--font-sans);
    font-weight: 700;
    letter-spacing: 3px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
}

/* =========================================
   语言切换开关 (Language Toggle)
   ========================================= */
.about-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.about-header h4 {
    font-size: 1.4rem;
    /* 介于 h3(~1.5rem) 和 h4(~1.17rem) 之间 */
    font-family: 'Courier New', monospace;
    color: var(--terminal-green-bright);
    font-weight: 600;
    margin: 0;
}

.lang-toggle {
    background: transparent;
    border: 1px solid var(--terminal-green);
    padding: 0.4rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.lang-option {
    color: var(--terminal-green);
    opacity: 0.5;
    transition: all 0.3s ease;
    cursor: pointer;
}

.lang-option.active {
    opacity: 1;
    font-weight: bold;
    color: var(--terminal-green-bright);
}

.lang-divider {
    color: var(--terminal-green-dim);
    opacity: 0.3;
}

.lang-toggle:hover {
    border-color: var(--terminal-green-bright);
    box-shadow: 0 0 10px rgba(var(--glow-rgb), 0.3);
}

/* 淡入淡出动画 - 简化方案 */
/* 淡入淡出动画 - 最终修复版 */
.about-text {
    position: relative;
    /* 防止高度塌陷导致页面跳动，设置个最小高度 */
    min-height: 200px;
}

.text-zh,
.text-en {
    transition: opacity 0.4s ease;
    opacity: 1;
}

/* 默认状态 */
.text-en {
    display: none;
    opacity: 0;
}

/* 动画状态类 - 增加权重确保生效 */
.about-text .text-fade-out {
    display: none !important;
    opacity: 0 !important;
}

.about-text .text-fade-in {
    display: block !important;
    opacity: 1 !important;
}

/* Light Mode Overrides */
[data-theme="light"] .lang-toggle {
    border: 1px solid var(--border-color);
}

[data-theme="light"] .lang-option {
    color: var(--text-secondary);
}

[data-theme="light"] .lang-option.active {
    color: var(--text-primary);
}

[data-theme="light"] .lang-divider {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* =========================================
   Mobile & Tablet Optimization
   ========================================= */
@media (max-width: 768px) {

    /* ========== Hero Section ========== */
    .hero {
        padding: 6rem 20px 3rem;
        min-height: auto;
        /* Allow flexible height on mobile */
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    /* Reorder: Image top, Content bottom */
    .hero-image {
        order: -1;
        justify-content: center;
        margin-bottom: 2rem;
    }

    .hero-image img {
        max-width: 280px;
        /* Reduce image size */
    }

    .hero-content {
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
        /* Smaller title */
    }

    .hero-cta {
        justify-content: center;
    }

    /* ========== Carousel ========== */
    .carousel-section {
        padding: 2rem 0;
    }

    .carousel-slide img {
        height: 250px;
        /* Smaller height for mobile */
    }

    .slide-caption {
        padding: 1rem;
        font-size: 1rem;
    }

    /* ========== About Section ========== */
    .about {
        padding: 4rem 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        position: static;
        /* Remove sticky on mobile */
        max-width: 100%;
        margin: 0 auto;
    }

    .about-image img {
        max-width: 100%;
    }

    .about-text h3 {
        text-align: center;
    }

    /* Skills Matrix - Stack vertically */
    .skills-matrix {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* ========== Student Life & Portfolio Grids ========== */
    .student-life,
    .portfolio {
        padding: 4rem 0;
    }

    .preview-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        /* Stack items */
        gap: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    /* ========== Footer ========== */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .contact-item {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .gallery-overlay span {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
}

/* === 浅色模式严密封锁所有扫描线 === */
html[data-theme="light"] .about::before,
html[data-theme="light"] .student-life::before,
html[data-theme="light"] .footer::before {
    display: none !important;
}