* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background: #1a1a1a;
    color: #fff;
}

.header {
    background: #0a0a0a;
    padding: 20px;
    text-align: center;
    border-bottom: 3px solid #23a48f;
    box-shadow: 0 0 20px rgba(35, 164, 143, 0.3);
}

.logo {
    font-family: 'Press Start 2P', cursive;
    font-size: 2.5em;
    color: #23a48f;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5),
                 0 0 20px rgba(35, 164, 143, 0.3),
                 0 0 30px rgba(35, 164, 143, 0.2);
}

.logo-link {
    text-decoration: none;
    display: inline-block;
}

.nav {
    background: #0a0a0a;
    padding: 15px 0;
    border-bottom: 1px solid #23a48f33;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 30px;
}

/* 移动端汉堡菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #23a48f;
    font-size: 1.5em;
    cursor: pointer;
    padding: 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(35, 164, 143, 0.1);
    transform: scale(1.1);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav a:hover {
    color: #23a48f;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
    background: rgba(35, 164, 143, 0.1);
}

.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
                url('http://yonghengshijie.net/img/bg.webp') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 35%, rgba(35, 164, 143, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(35, 164, 143, 0.1) 0%, transparent 40%);
    z-index: 0;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, transparent, #23a48f, transparent);
    box-shadow: 0 0 15px 5px rgba(35, 164, 143, 0.5);
}

.hero h2, .hero p, .hero .download-container {
    position: relative;
    z-index: 1;
}

.hero h2 {
    font-size: 3em;
    margin-bottom: 15px;
    color: #23a48f;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5),
                 0 0 20px rgba(35, 164, 143, 0.3);
    text-align: center;
    width: 100%;
}

.hero p {
    font-size: 1.2em;
    color: #ffffff;
    max-width: 600px;
    line-height: 1.6;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    margin: 0 auto 20px;
}

.download-container {
    margin-top: 30px;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.download-btn {
    background: linear-gradient(135deg, #23a48f 0%, #1a7a6b 70%, #23a48f 100%);
    color: #ffffff;
    padding: 18px 50px;
    font-size: 1.8em;
    border-radius: 40px;
    border: 2px solid rgba(255,255,255,0.1);
    box-shadow: 0 5px 25px rgba(35, 164, 143, 0.3), 0 0 15px rgba(35, 164, 143, 0.5);
    display: inline-flex;
    align-items: center;
    gap: 15px;
    transition: all 0.4s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    margin: 0 auto;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 5px 25px rgba(35, 164, 143, 0.3), 0 0 15px rgba(35, 164, 143, 0.5);
    }
    50% {
        box-shadow: 0 5px 30px rgba(35, 164, 143, 0.5), 0 0 25px rgba(35, 164, 143, 0.7);
    }
    100% {
        box-shadow: 0 5px 25px rgba(35, 164, 143, 0.3), 0 0 15px rgba(35, 164, 143, 0.5);
    }
}

/* 新增下载按钮的背景渐变动画 */
.download-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, 
        #23a48f 0%, 
        #1a7a6b 25%, 
        #23a48f 50%, 
        #1a7a6b 75%, 
        #23a48f 100%);
    z-index: -1;
    transition: all 0.7s ease;
}

.download-btn:hover::after {
    transform: translateX(-50%);
}

/* 下载按钮的光效 */
.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 50%, 
        transparent 100%);
    transition: all 0.6s ease;
}

.download-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 35px rgba(35, 164, 143, 0.4), 0 0 25px rgba(35, 164, 143, 0.6);
    animation: none;
    letter-spacing: 0.8px;
}

.download-btn:hover::before {
    left: 100%;
}

.download-btn:active {
    transform: translateY(2px);
    box-shadow: 0 3px 15px rgba(35, 164, 143, 0.3), 0 0 10px rgba(35, 164, 143, 0.4);
}

/* 下载图标的动画 */
.download-btn i {
    transition: transform 0.3s ease;
    position: relative;
}

.download-btn:hover i {
    transform: translateY(3px);
}

/* 版本文本悬停效果 */
.version-text {
    transition: all 0.3s ease;
}

.download-btn:hover .version-text {
    background: rgba(0, 0, 0, 0.5);
    border-color: rgba(35, 164, 143, 0.5);
    transform: scale(1.05);
}

.download-btn:hover .main-text {
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.main-text {
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.version-text {
    background: rgba(0, 0, 0, 0.3);
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.6em;
    margin-left: 8px;
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(35, 164, 143, 0.3);
    font-weight: 400;
    letter-spacing: 0.5px;
    position: relative;
    top: -2px;
}

.version-details {
    margin-top: 15px;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
    font-weight: 300;
}

.version-details span {
    margin: 0 5px;
}

.version-details i {
    color: #23a48f;
    margin-right: 5px;
}

.divider {
    color: rgba(35, 164, 143, 0.6);
}

.features {
    padding: 80px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(35, 164, 143, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.features h2 {
    text-align: center;
    font-size: 2.4em;
    color: #23a48f;
    margin-bottom: 60px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    position: relative;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #23a48f;
    box-shadow: 0 0 10px rgba(35, 164, 143, 0.8);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.feature-card {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid rgba(35, 164, 143, 0.1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #23a48f, transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 15px rgba(35, 164, 143, 0.3);
    border-color: rgba(35, 164, 143, 0.3);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 3em;
    color: #23a48f;
    text-shadow: 0 0 15px rgba(35, 164, 143, 0.5);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon i {
    transform: scale(1.1);
    text-shadow: 0 0 20px rgba(35, 164, 143, 0.7);
}

.feature-card h3 {
    color: #23a48f;
    margin: 20px 0 15px;
    font-size: 1.4em;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
    transition: all 0.3s ease;
}

.feature-card:hover h3 {
    color: #2abda5;
    text-shadow: 0 0 8px rgba(35, 164, 143, 0.5);
}

.feature-card p {
    color: #ffffff;
    line-height: 1.7;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.feature-card:hover p {
    opacity: 1;
}

.characters {
    padding: 50px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
}

.characters h2 {
    text-align: center;
    font-size: 2.2em;
    color: #23a48f;
    margin-bottom: 40px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.character-card {
    background: #1a1a1a;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #23a48f33;
    transition: transform 0.3s;
    text-align: center;
    box-shadow: 0 0 15px rgba(35, 164, 143, 0.1);
}

.character-card:hover {
    box-shadow: 0 0 25px rgba(35, 164, 143, 0.2);
}

.character-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 2px solid #23a48f33;
}

.character-card h3 {
    color: #23a48f;
    margin-bottom: 10px;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
}

.character-card p {
    color: #ffffff;
    font-size: 0.95em;
    line-height: 1.5;
}

.media-gallery {
    padding: 80px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
    position: relative;
    overflow: hidden;
}

.media-gallery::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(35, 164, 143, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.media-gallery h2 {
    text-align: center;
    font-size: 2.4em;
    color: #23a48f;
    margin-bottom: 60px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    position: relative;
}

.media-gallery h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #23a48f;
    box-shadow: 0 0 10px rgba(35, 164, 143, 0.8);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.gallery-item {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: all 0.4s ease;
    border: 2px solid rgba(35, 164, 143, 0.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    height: 250px;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
    z-index: 1;
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.gallery-item:hover::before {
    opacity: 0.3;
}

.gallery-item:hover {
    transform: scale(1.03) translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(35, 164, 143, 0.3);
    border-color: rgba(35, 164, 143, 0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s ease;
}

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

.news {
    padding: 80px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
    position: relative;
    overflow: hidden;
}

.news::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(35, 164, 143, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.news h2 {
    text-align: center;
    font-size: 2.4em;
    color: #23a48f;
    margin-bottom: 60px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    position: relative;
}

.news h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #23a48f;
    box-shadow: 0 0 10px rgba(35, 164, 143, 0.8);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.news-article {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #23a48f33;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.news-article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, #23a48f, transparent);
    opacity: 0.6;
}

.news-article:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 15px rgba(35, 164, 143, 0.3);
}

.news-article time {
    display: inline-block;
    color: #aaa;
    margin-bottom: 15px;
    font-size: 0.9em;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(35, 164, 143, 0.05);
}

.news-article time i {
    margin-right: 5px;
    color: #23a48f;
}

.news-article h3 {
    color: #23a48f;
    margin-bottom: 15px;
    font-size: 1.5em;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
}

.news-article p {
    color: #ffffff;
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-article .read-more {
    display: inline-block;
    color: #23a48f;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    padding: 8px 0;
    position: relative;
}

.news-article .read-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #23a48f;
    transition: width 0.3s ease;
}

.news-article .read-more:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
}

.news-article .read-more:hover::after {
    width: 100%;
}

.reviews {
    padding: 80px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
    position: relative;
    overflow: hidden;
}

.reviews::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(35, 164, 143, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
}

.reviews h2 {
    text-align: center;
    font-size: 2.4em;
    color: #23a48f;
    margin-bottom: 60px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    position: relative;
}

.reviews h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #23a48f;
    box-shadow: 0 0 10px rgba(35, 164, 143, 0.8);
}

.review-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.review-card {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(35, 164, 143, 0.1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 15px;
    font-size: 10em;
    line-height: 1;
    color: rgba(35, 164, 143, 0.05);
    font-family: Georgia, serif;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 15px rgba(35, 164, 143, 0.2);
    border-color: rgba(35, 164, 143, 0.2);
}

.rating {
    color: #23a48f;
    font-size: 1.3em;
    margin-bottom: 20px;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
    position: relative;
    z-index: 1;
}

.review-card p {
    color: #ffffff;
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.user {
    color: #aaa;
    text-align: right;
    position: relative;
    z-index: 1;
    font-weight: 500;
}

.version-history {
    padding: 80px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
    position: relative;
    overflow: hidden;
}

.version-history::before {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(35, 164, 143, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.version-history h2 {
    text-align: center;
    font-size: 2.4em;
    color: #23a48f;
    margin-bottom: 60px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    position: relative;
}

.version-history h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #23a48f;
    box-shadow: 0 0 10px rgba(35, 164, 143, 0.8);
}

.version-header {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: rgba(35, 164, 143, 0.05);
    padding: 20px;
    border-radius: 15px 15px 0 0;
    font-weight: bold;
    color: #23a48f;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.version-card {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: rgba(26, 26, 26, 0.5);
    padding: 20px;
    border-top: 1px solid rgba(35, 164, 143, 0.1);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.version-card:hover {
    background: rgba(35, 164, 143, 0.05);
}

.version-card:last-child {
    border-radius: 0 0 15px 15px;
}

.version-card .version-tag {
    display: inline-block;
    background: rgba(35, 164, 143, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    color: #23a48f;
    font-weight: 500;
}

.version-card .download-btn.small {
    background: linear-gradient(135deg, #23a48f 0%, #1a7a6b 100%);
    color: #ffffff;
    padding: 8px 15px;
    font-size: 0.9em;
    border-radius: 20px;
    border: 1px solid rgba(35, 164, 143, 0.3);
    display: inline-block;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.version-card .download-btn.small:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(35, 164, 143, 0.3);
}

.friend-links {
    padding: 80px 20px;
    background: #0a0a0a;
    border-top: 1px solid #23a48f33;
    position: relative;
    overflow: hidden;
}

.friend-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 10%, rgba(35, 164, 143, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 85% 90%, rgba(35, 164, 143, 0.03) 0%, transparent 30%);
}

.friend-links h2 {
    text-align: center;
    font-size: 2.4em;
    color: #23a48f;
    margin-bottom: 60px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    position: relative;
}

.friend-links h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #23a48f;
    box-shadow: 0 0 10px rgba(35, 164, 143, 0.8);
}

.links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.links-container a {
    display: inline-block;
    padding: 15px 25px;
    background: rgba(26, 26, 26, 0.5);
    color: #ffffff;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.4s ease;
    border: 1px solid rgba(35, 164, 143, 0.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.links-container a:hover {
    background: rgba(35, 164, 143, 0.1);
    transform: translateY(-5px);
    color: #23a48f;
    border-color: rgba(35, 164, 143, 0.3);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), 0 0 15px rgba(35, 164, 143, 0.2);
}

footer {
    background: linear-gradient(to bottom, #0a0a0a, #141414);
    padding: 60px 20px 30px;
    border-top: 3px solid #23a48f;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 5% 20%, rgba(35, 164, 143, 0.03) 0%, transparent 25%),
        radial-gradient(circle at 95% 85%, rgba(35, 164, 143, 0.03) 0%, transparent 25%);
    opacity: 0.5;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    color: #23a48f;
    margin-bottom: 25px;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
    font-size: 1.3em;
    position: relative;
    display: inline-block;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background: #23a48f;
    box-shadow: 0 0 5px rgba(35, 164, 143, 0.5);
}

.footer-section p {
    color: #f0f0f0;
    line-height: 1.7;
    opacity: 0.9;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #f0f0f0;
    text-decoration: none;
    transition: all 0.3s;
    opacity: 0.9;
    padding-left: 0;
    position: relative;
}

.footer-section ul li a::before {
    content: '›';
    position: absolute;
    left: -15px;
    color: #23a48f;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: #23a48f;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
    padding-left: 15px;
}

.footer-section ul li a:hover::before {
    opacity: 1;
    left: 0;
}

.contact-info {
    margin-top: 20px;
    color: #f0f0f0;
    font-size: 0.9em;
    opacity: 0.8;
}

.contact-info i {
    color: #23a48f;
    margin-right: 8px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: #23a48f;
    font-size: 1.5em;
    transition: color 0.3s;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
}

.social-links a:hover {
    color: #1a7a6b;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #23a48f33;
}

.footer-bottom p {
    color: #ffffff;
}

/* 页脚统计信息 */
.footer-stats {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.footer-stats .stat {
    text-align: center;
}

.footer-stats .stat-number {
    display: block;
    font-size: 1.2em;
    font-weight: bold;
    color: #23a48f;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
}

.footer-stats .stat-label {
    display: block;
    font-size: 0.8em;
    color: #cccccc;
    margin-top: 2px;
}

/* 版本信息 */
.version-info {
    margin-top: 10px;
}

.version-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 5px 0;
    border-bottom: 1px solid rgba(35, 164, 143, 0.1);
}

.version-item:last-child {
    border-bottom: none;
}

.version-label {
    color: #cccccc;
    font-size: 0.9em;
}

.version-value {
    color: #23a48f;
    font-weight: 600;
    font-size: 0.9em;
}

/* 页脚底部内容 */
.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-slogan {
    color: #23a48f;
    font-style: italic;
    font-size: 0.9em;
}

.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #23a48f 0%, #1a7a6b 100%);
    border: 2px solid rgba(35, 164, 143, 0.3);
    box-shadow: 0 0 20px rgba(35, 164, 143, 0.3);
    color: #ffffff;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.show {
    opacity: 1;
}

.back-to-top:hover {
    box-shadow: 0 0 30px rgba(35, 164, 143, 0.5);
}

/* 添加返回顶部按钮的动画效果 */
.back-to-top {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 5px 25px rgba(35, 164, 143, 0.3), 0 0 15px rgba(35, 164, 143, 0.5);
    }
    50% {
        box-shadow: 0 5px 30px rgba(35, 164, 143, 0.5), 0 0 25px rgba(35, 164, 143, 0.7);
    }
    100% {
        box-shadow: 0 5px 25px rgba(35, 164, 143, 0.3), 0 0 15px rgba(35, 164, 143, 0.5);
    }
}

/* 其他元素样式 */
.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.tag {
    display: inline-block;
    background: rgba(35, 164, 143, 0.1);
    color: #23a48f;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.gallery-item .caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    z-index: 2;
    text-align: center;
}

.gallery-item:hover .caption {
    opacity: 1;
    transform: translateY(0);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 30px 0;
    width: 100%;
    max-width: 600px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: rgba(35, 164, 143, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(35, 164, 143, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(35, 164, 143, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(35, 164, 143, 0.2);
}

.stat-number {
    font-size: 1.8em;
    font-weight: bold;
    color: #23a48f;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9em;
    color: #ffffff;
    opacity: 0.8;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(35, 164, 143, 0.5);
    box-shadow: 0 0 20px 5px rgba(35, 164, 143, 0.3);
    animation: float 15s infinite ease-in-out;
}

.particle-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    opacity: 0.05;
    animation-delay: 0s;
}

.particle-2 {
    width: 150px;
    height: 150px;
    bottom: 10%;
    right: 15%;
    opacity: 0.03;
    animation-delay: 5s;
}

.particle-3 {
    width: 80px;
    height: 80px;
    top: 60%;
    left: 60%;
    opacity: 0.04;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-30px) translateX(20px);
    }
    50% {
        transform: translateY(10px) translateX(-10px);
    }
    75% {
        transform: translateY(20px) translateX(30px);
    }
}

/* 媒体查询 */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
        position: relative;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #0a0a0a;
        border-top: 1px solid #23a48f33;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-container {
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 20px 0;
    }
    
    .nav a {
        display: block;
        width: 100%;
        text-align: center;
        padding: 15px 20px;
        border-bottom: 1px solid #23a48f33;
        transition: all 0.3s ease;
    }
    
    .nav a:last-child {
        border-bottom: none;
    }
    
    .nav a:hover {
        background: rgba(35, 164, 143, 0.1);
        color: #23a48f;
    }
    
    .mobile-menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }

    .hero {
        height: 70vh;
        padding: 40px 15px;
        min-height: 500px;
    }
    
    .hero-content {
        max-width: 90%;
        margin: 0 auto;
        text-align: center;
    }
    
    .hero h2 {
        font-size: 2.2em;
        margin-bottom: 20px;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1.1em;
        margin-bottom: 25px;
        line-height: 1.5;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin: 25px 0;
    }
    
    .stat-item {
        padding: 15px 10px;
        background: rgba(35, 164, 143, 0.1);
        border-radius: 10px;
        border: 1px solid rgba(35, 164, 143, 0.2);
    }
    
    .download-btn {
        padding: 15px 25px;
        font-size: 1.1em;
        border-radius: 25px;
        min-height: 50px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        touch-action: manipulation;
    }
    
    .download-btn:active {
        transform: scale(0.98);
    }

    .stat-item {
        padding: 12px;
    }

    .stat-number {
        font-size: 1.5em;
    }

    .stat-label {
        font-size: 0.8em;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 8px;
    }
    
    .feature-card {
        padding: 20px 15px;
    }
    
    .feature-card h3 {
        font-size: 1.1em;
        margin-bottom: 12px;
    }
    
    .feature-card p {
        font-size: 0.85em;
        line-height: 1.5;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 0 10px;
    }

    .feature-card {
        padding: 25px 20px;
        margin: 0;
        border-radius: 15px;
        touch-action: manipulation;
    }
    
    .feature-card:active {
        transform: scale(0.98);
    }
    
    .feature-card h3 {
        font-size: 1.3em;
        margin-bottom: 15px;
    }
    
    .feature-card p {
        font-size: 0.95em;
        line-height: 1.6;
    }

    .feature-icon i {
        font-size: 2.5em;
    }

    .feature-card h3 {
        font-size: 1.2em;
    }
    
    .character-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 10px;
    }
    
    .gallery-item {
        border-radius: 15px;
        touch-action: manipulation;
    }
    
    .gallery-item:active {
        transform: scale(0.98);
    }

    .review-slider {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 10px;
    }
    
    .review-card {
        padding: 25px 20px;
        touch-action: manipulation;
    }
    
    .review-card:active {
        transform: scale(0.98);
    }

    .news-article {
        margin-bottom: 20px;
        padding: 25px 20px;
        touch-action: manipulation;
    }
    
    .news-article:active {
        transform: scale(0.98);
    }
    
    .news-article .read-more {
        padding: 12px 20px;
        border-radius: 20px;
        background: rgba(35, 164, 143, 0.1);
        border: 1px solid rgba(35, 164, 143, 0.3);
        display: inline-block;
        margin-top: 15px;
    }

    .version-header {
        display: none;
    }

    .version-card {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 20px;
    }

    .version-card > div {
        padding: 8px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .version-card > div:last-child {
        justify-content: flex-start;
    }

    .version-card > div::before {
        content: attr(data-label);
        font-weight: bold;
        margin-right: 10px;
        color: #23a48f;
    }

    .links-container {
        flex-direction: column;
    }

    .links-container a {
        width: 100%;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
        padding: 0 20px;
    }
    
    .footer-section {
        padding: 20px 0;
    }
    
    .footer-section h3 {
        font-size: 1.2em;
        margin-bottom: 20px;
    }
    
    .footer-section p {
        font-size: 0.9em;
        line-height: 1.6;
    }

    .social-links {
        justify-content: center;
        gap: 15px;
    }
    
    .social-links a {
        padding: 12px;
        font-size: 1.2em;
        border-radius: 50%;
        background: rgba(35, 164, 143, 0.1);
        border: 1px solid rgba(35, 164, 143, 0.3);
        touch-action: manipulation;
    }
    
    .social-links a:active {
        transform: scale(0.9);
    }

    .footer-links {
        /* align-items: center; */
        gap: 12px;
    }
    
    .footer-links a {
        padding: 10px 15px;
        border-radius: 20px;
        background: rgba(35, 164, 143, 0.1);
        border: 1px solid rgba(35, 164, 143, 0.3);
        touch-action: manipulation;
        display: block;
        margin: 5px 0;
    }
    
    .footer-links a:active {
        transform: scale(0.95);
    }
    
    /* 页脚移动端适配 */
    .footer-stats {
        gap: 15px;
        justify-content: center;
    }
    
    .footer-stats .stat-number {
        font-size: 1.1em;
    }
    
    .footer-stats .stat-label {
        font-size: 0.75em;
    }
    
    .version-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
    
    .version-label {
        font-size: 0.8em;
    }
    
    .version-value {
        font-size: 0.8em;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 5px;
    }
    
    .footer-slogan {
        font-size: 0.8em;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 0.8em;
    }

    .hero h2 {
        font-size: 2em;
    }

    .particle-1, .particle-2, .particle-3 {
        opacity: 0.02; /* 在小屏幕上降低粒子的可见度 */
    }
    
    .particle-1 {
        width: 80px;
        height: 80px;
    }
    
    .particle-2 {
        width: 120px;
        height: 120px;
    }
    
    .particle-3 {
        width: 60px;
        height: 60px;
    }

    .download-btn {
        padding: 15px 30px;
        font-size: 1.4em;
        border-radius: 35px;
        gap: 10px;
        animation: pulse-mobile 2.5s infinite;
    }
    
    @keyframes pulse-mobile {
        0% {
            box-shadow: 0 3px 15px rgba(35, 164, 143, 0.25), 0 0 10px rgba(35, 164, 143, 0.4);
        }
        50% {
            box-shadow: 0 3px 20px rgba(35, 164, 143, 0.4), 0 0 15px rgba(35, 164, 143, 0.6);
        }
        100% {
            box-shadow: 0 3px 15px rgba(35, 164, 143, 0.25), 0 0 10px rgba(35, 164, 143, 0.4);
        }
    }
    
    .download-btn:hover {
        transform: translateY(-2px) scale(1.01);
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2em;
    }

    .hero {
        height: 60vh;
        padding: 30px 15px;
    }
    
    .hero-content {
        max-width: 95%;
        margin: 0 auto;
        text-align: center;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin: 15px 0;
    }

    .stat-item {
        padding: 10px;
    }

    .stat-number {
        font-size: 1.3em;
    }

    .stat-label {
        font-size: 0.75em;
    }
    
    .hero h2 {
        font-size: 1.8em;
        margin-bottom: 10px;
    }
    
    .hero p {
        font-size: 1em;
        line-height: 1.5;
        margin-bottom: 15px;
        max-width: 100%;
    }
    
    .download-container {
        margin-top: 20px;
    }

    .download-btn {
        padding: 12px 18px;
        font-size: 1.1em;
        border-radius: 30px;
        gap: 8px;
        animation: pulse-small 3s infinite;
    }
    
    @keyframes pulse-small {
        0% {
            box-shadow: 0 2px 10px rgba(35, 164, 143, 0.2), 0 0 8px rgba(35, 164, 143, 0.3);
        }
        50% {
            box-shadow: 0 2px 15px rgba(35, 164, 143, 0.35), 0 0 12px rgba(35, 164, 143, 0.5);
        }
        100% {
            box-shadow: 0 2px 10px rgba(35, 164, 143, 0.2), 0 0 8px rgba(35, 164, 143, 0.3);
        }
    }
    
    .download-btn:hover {
        transform: translateY(-1px) scale(1.005);
        letter-spacing: 0.5px;
    }
    
    .download-btn i {
        font-size: 0.9em;
    }
    
    .main-text {
        font-size: 0.9em;
        font-weight: 600;
    }
    
    .version-text {
        font-size: 0.7em;
        padding: 2px 6px;
        white-space: nowrap;
        margin-left: 4px;
        border-radius: 12px;
        background: rgba(0,0,0,0.15);
        border: 1px solid rgba(255,255,255,0.1);
    }
    
    .version-details {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
        margin-top: 10px;
    }
    
    .version-details .divider {
        display: none;
    }
    
    .version-details span {
        margin: 0 5px;
        font-size: 0.8em;
        color: rgba(255, 255, 255, 0.8);
    }
    
    .version-details span i {
        color: #23a48f;
    }
    
    .particle-1 {
        width: 60px;
        height: 60px;
        top: 15%;
        left: 5%;
    }
    
    .particle-2 {
        width: 90px;
        height: 90px;
        bottom: 5%;
        right: 10%;
    }
    
    .particle-3 {
        width: 40px;
        height: 40px;
        top: 40%;
        left: 70%;
    }
}

/* 特小屏幕优化 */
@media (max-width: 360px) {
    .hero {
        height: 50vh;
        padding: 20px 10px;
        justify-content: flex-start;
        padding-top: 40px;
    }
    
    .hero h2 {
        font-size: 1.6em;
        margin-bottom: 10px;
    }
    
    .hero p {
        font-size: 0.9em;
        margin-bottom: 12px;
        max-width: 95%;
        line-height: 1.5;
    }
    
    .download-container {
        margin-top: 15px;
    }
    
    .download-btn {
        padding: 8px 12px;
        font-size: 0.95em;
        border-radius: 25px;
        gap: 4px;
        box-shadow: 0 3px 10px rgba(35, 164, 143, 0.2);
        animation: pulse-tiny 3.5s infinite;
    }
    
    @keyframes pulse-tiny {
        0% {
            box-shadow: 0 2px 8px rgba(35, 164, 143, 0.15), 0 0 5px rgba(35, 164, 143, 0.25);
        }
        50% {
            box-shadow: 0 2px 12px rgba(35, 164, 143, 0.3), 0 0 8px rgba(35, 164, 143, 0.4);
        }
        100% {
            box-shadow: 0 2px 8px rgba(35, 164, 143, 0.15), 0 0 5px rgba(35, 164, 143, 0.25);
        }
    }
    
    .download-btn:hover {
        transform: none;
        letter-spacing: normal;
    }
    
    .download-btn i {
        margin-right: 2px;
        font-size: 0.85em;
    }
    
    .main-text, .version-text {
        display: inline-block;
    }
    
    .main-text {
        font-size: 0.85em;
    }
    
    .version-text {
        font-size: 0.65em;
        margin-left: 3px;
        padding: 1px 4px;
        display: block;
        margin-top: 2px;
        margin-left: 0;
        width: fit-content;
        margin: 3px auto 0;
    }
    
    .version-details {
        margin-top: 8px;
        font-size: 0.8em;
    }
    
    .version-details span {
        font-size: 0.75em;
        display: inline-block;
        margin: 0 3px;
    }
    
    .particle-1, .particle-2, .particle-3 {
        opacity: 0.015;
    }
    
    .particle-1 {
        width: 40px;
        height: 40px;
    }
    
    .particle-2 {
        width: 60px;
        height: 60px;
    }
    
    .particle-3 {
        width: 30px;
        height: 30px;
    }
}

/* 超小屏幕设备 */
@media (max-width: 320px) {
    .hero {
        height: 45vh;
        padding: 15px 8px;
        padding-top: 30px;
    }
    
    .hero h2 {
        font-size: 1.4em;
        margin-bottom: 8px;
    }
    
    .hero p {
        font-size: 0.8em;
        margin-bottom: 10px;
        line-height: 1.4;
        max-width: 100%;
    }
    
    .download-container {
        margin-top: 10px;
    }
    
    .download-btn {
        padding: 6px 10px;
        font-size: 0.85em;
        border-radius: 20px;
        border-width: 1px;
        animation: pulse-micro 4s infinite;
    }
    
    @keyframes pulse-micro {
        0% {
            box-shadow: 0 1px 5px rgba(35, 164, 143, 0.1), 0 0 3px rgba(35, 164, 143, 0.2);
        }
        50% {
            box-shadow: 0 1px 8px rgba(35, 164, 143, 0.25), 0 0 5px rgba(35, 164, 143, 0.3);
        }
        100% {
            box-shadow: 0 1px 5px rgba(35, 164, 143, 0.1), 0 0 3px rgba(35, 164, 143, 0.2);
        }
    }
    
    .main-text {
        font-size: 0.8em;
        display: block;
        margin-bottom: 2px;
    }
    
    .version-text {
        font-size: 0.6em;
        margin-left: 2px;
        padding: 1px 3px;
        display: block;
        margin: 0 auto;
    }
    
    .version-details {
        margin-top: 6px;
        font-size: 0.7em;
    }
    
    .version-details span {
        font-size: 0.7em;
        letter-spacing: -0.3px;
        margin: 0 2px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 5px;
    }
    
    .feature-card {
        padding: 15px 10px;
    }
    
    .feature-card h3 {
        font-size: 1em;
        margin-bottom: 10px;
    }
    
    .feature-card p {
        font-size: 0.8em;
        line-height: 1.4;
    }
}

/* 404页面样式 */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
                url('http://yonghengshijie.net/img/bg.webp') center/cover;
    position: relative;
    overflow: hidden;
}

.error-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 35%, rgba(35, 164, 143, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(35, 164, 143, 0.1) 0%, transparent 40%);
    z-index: 0;
    pointer-events: none;
}

.error-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

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

.error-number {
    font-family: 'Press Start 2P', cursive;
    font-size: 8em;
    color: #23a48f;
    text-shadow: 0 0 20px rgba(35, 164, 143, 0.5);
    margin-bottom: 20px;
    line-height: 1;
}

.error-title {
    font-size: 2.5em;
    color: #23a48f;
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(35, 164, 143, 0.5);
}

.error-description {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #ffffff;
    opacity: 0.9;
}

.error-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #23a48f 0%, #1a7a6b 100%);
    color: #ffffff;
    box-shadow: 0 5px 25px rgba(35, 164, 143, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(35, 164, 143, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #23a48f;
    border-color: #23a48f;
}

.btn-secondary:hover {
    background: rgba(35, 164, 143, 0.1);
    transform: translateY(-3px);
}

.error-suggestions {
    text-align: left;
}

.error-suggestions h3 {
    color: #23a48f;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.error-suggestions ul {
    list-style: none;
}

.error-suggestions li {
    margin-bottom: 10px;
}

.error-suggestions a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 5px 0;
    display: inline-block;
}

.error-suggestions a:hover {
    color: #23a48f;
    text-shadow: 0 0 5px rgba(35, 164, 143, 0.3);
    padding-left: 10px;
}

.error-visual {
    position: relative;
    height: 400px;
}

.floating-particles {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-particles .particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(35, 164, 143, 0.3);
    box-shadow: 0 0 20px rgba(35, 164, 143, 0.5);
    animation: float 6s infinite ease-in-out;
}

.floating-particles .particle-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-particles .particle-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 20%;
    animation-delay: 1s;
}

.floating-particles .particle-3 {
    width: 60px;
    height: 60px;
    top: 40%;
    left: 60%;
    animation-delay: 2s;
}

.floating-particles .particle-4 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 10%;
    animation-delay: 3s;
}

.floating-particles .particle-5 {
    width: 90px;
    height: 90px;
    top: 10%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-20px) translateX(10px) scale(1.1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(10px) translateX(-10px) scale(0.9);
        opacity: 0.4;
    }
    75% {
        transform: translateY(20px) translateX(15px) scale(1.05);
        opacity: 0.5;
    }
}

/* 触摸交互优化 */
* {
    -webkit-tap-highlight-color: transparent;
}

button, a, .clickable {
    -webkit-tap-highlight-color: rgba(35, 164, 143, 0.2);
    touch-action: manipulation;
}

/* 防止双击缩放 */
input, textarea, select {
    touch-action: manipulation;
}

/* 移动端滚动优化 */
body {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* 移动端视口优化 */
@media (max-width: 768px) {
    html {
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    }
    
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* 防止水平滚动 */
    .container, .hero-content, .features-grid, .gallery-grid, .news-grid, .review-slider {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* 移动端按钮优化 */
    .download-btn, .news-article .read-more, .back-to-top {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 移动端文字选择优化 */
    .hero h2, .hero p, .feature-card h3, .news-article h3 {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* 404页面移动端适配 */
    .error-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

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

    .error-number {
        font-size: 6em;
    }

    .error-title {
        font-size: 2em;
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .error-visual {
        height: 300px;
    }
}

/* 确保段落文本在各种屏幕尺寸下居中显示 */
@media (min-width: 1200px) {
    .hero p {
        width: 100%;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .hero p {
        width: 80%;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .hero p {
        width: 90%;
        margin-left: auto;
        margin-right: auto;
    }
}