/* CSS变量定义 - 主题色彩 */
:root {
    --primary-color: #86838b;
    --secondary-color: #5f5b82;
    --dark-color: #171626;
    --light-color: #b1abc7;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #a0a0a0;
    --background-primary: #171626;
    --background-secondary: #1f1d30;
    --background-card: #2a2940;
    --accent-color: #6c63ff;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --border-color: #3a3750;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --transition-speed: 0.3s;
    --border-radius: 12px;
    --max-width: 1200px;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--background-secondary) 100%);
    min-height: 100vh;
}

/* 容器 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(23, 22, 38, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.navbar {
    padding: 0.8rem 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    transition: transform var(--transition-speed) ease;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 32px;
    height: 32px;
    margin-right: 10px;
    border-radius: 6px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(134, 131, 139, 0.1);
    transform: translateY(-2px);
}

.nav-link i {
    font-size: 0.9rem;
}

/* 移动端菜单切换 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-speed) ease;
    border-radius: 3px;
}

/* 英雄区 */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 50%, var(--primary-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(108, 99, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(134, 131, 139, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--light-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--light-color);
    margin-bottom: 1.5rem;
    font-family: 'Inter', sans-serif;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.version-info, .release-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.version-label, .release-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.version-number, .release-date {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-speed) ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.feature-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.download-section {
    margin-top: 2rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.download-btn.primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    color: var(--text-primary);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.3);
}

.download-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(108, 99, 255, 0.4);
}

.download-info {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.platform i {
    margin-right: 0.3rem;
}

/* 通用节区样式 */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-title i {
    font-size: 2rem;
    color: var(--accent-color);
}

/* 新闻动态区 */
.news {
    background: var(--background-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-item {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--secondary-color) 100%);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.news-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-content {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed) ease;
}

.news-link:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

/* 媒体画廊 */
.gallery {
    background: var(--background-primary);
}

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

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 16/9;
    cursor: pointer;
    transition: transform var(--transition-speed) ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

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

.gallery-overlay i {
    font-size: 2rem;
    color: var(--text-primary);
}

/* 懒加载图片样式 */
.lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy.loaded {
    opacity: 1;
}

/* 用户评价区 */
.reviews {
    background: var(--background-secondary);
}

.reviews-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.rating-overview {
    text-align: center;
}

.rating-score {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.rating-stars {
    margin: 0.5rem 0;
    font-size: 1.2rem;
    color: #ffc107;
}

.rating-count {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.rating-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tag {
    background: var(--background-card);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.tag:hover {
    background: var(--accent-color);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.reviews-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto 2rem;
    overflow: hidden;
}

.review-item {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    display: none;
    text-align: center;
}

.review-item.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.review-content {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.review-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.review-rating {
    color: #ffc107;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.carousel-btn {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) ease;
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: var(--text-primary);
    transform: scale(1.1);
}

/* 版本历史 */
.versions {
    background: var(--background-primary);
}

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

.version-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.version-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 60px;
}

.version-marker {
    position: absolute;
    left: 11px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--background-primary);
}

.version-content {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.version-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.version-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.version-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.version-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.version-badge {
    background: var(--accent-color);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.version-badge.latest {
    background: var(--success-color);
}

.update-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.update-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.update-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.version-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.file-size, .platforms {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.platforms i {
    margin-right: 0.3rem;
}

.download-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed) ease;
}

.download-link:hover {
    color: var(--text-primary);
    transform: translateX(3px);
}

/* 常见问题 */
.faq {
    background: var(--background-secondary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--background-card);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px var(--shadow-color);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-speed) ease;
    user-select: none;
}

.faq-question:hover {
    background: rgba(108, 99, 255, 0.1);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-question i {
    color: var(--accent-color);
    transition: transform var(--transition-speed) ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed) ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 页脚 */
.footer {
    background: var(--dark-color);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--background-card);
    color: var(--text-muted);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--accent-color);
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: var(--text-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

/* 图片模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--border-radius);
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) ease;
}

.modal-close:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.modal-navigation {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.modal-nav {
    background: rgba(0, 0, 0, 0.5);
    color: var(--text-primary);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition-speed) ease;
    pointer-events: auto;
}

.modal-nav:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(23, 22, 38, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: start;
        align-items: center;
        padding-top: 2rem;
        transition: left var(--transition-speed) ease;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-info {
        gap: 1.5rem;
    }

    .hero-features {
        gap: 1rem;
    }

    .feature-item {
        padding: 0.8rem;
    }

    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .reviews-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .rating-tags {
        gap: 0.5rem;
    }

    .version-timeline::before {
        left: 15px;
    }

    .version-item {
        padding-left: 50px;
    }

    .version-marker {
        left: 6px;
        width: 18px;
        height: 18px;
    }

    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .version-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .modal-navigation {
        padding: 0 10px;
    }

    .modal-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .download-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .download-info {
        flex-direction: column;
        gap: 0.5rem;
    }

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

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

    .news-item,
    .version-content,
    .faq-question {
        padding: 1.5rem;
    }

    .faq-answer p {
        padding: 0 1.5rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* 打印样式 */
@media print {
    .header,
    .back-to-top,
    .modal,
    .carousel-controls,
    .nav-toggle,
    .download-btn,
    .download-link,
    .news-link,
    .footer-social {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .hero {
        background: white !important;
        color: black !important;
    }

    .section-title,
    .hero-title,
    .hero-subtitle,
    .news-title,
    .version-title,
    .faq-question h3 {
        color: black !important;
    }
}

/* 无障碍和性能优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --text-muted: #cccccc;
        --background-primary: #000000;
        --background-secondary: #111111;
        --background-card: #222222;
        --border-color: #666666;
        --accent-color: #00ff00;
    }
}