/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff6b35;
    --secondary-color: #2c5282;
    --accent-color: #00d4ff;
    --bg-dark: #0f1419;
    --bg-secondary: #1a202c;
    --bg-card: #2d3748;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: #4a5568;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #f093fb 100%);
    --shadow-primary: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.7);
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text h2 {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 1.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-top: -3px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-auth {
    display: flex;
    gap: 1rem;
}

.btn-login, .btn-register {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-login:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-register {
    background: var(--gradient-accent);
    color: white;
    border: 2px solid transparent;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* 英雄区域样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-secondary) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.1" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    padding: 0 20px;
    margin-right: 244px;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-main {
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.title-sub {
    font-size: 1.5rem;
    color: var(--text-secondary);
    display: block;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

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

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(0, 212, 255, 0.1);
}

.btn-full-download {
    padding: 12px 25px;
    border: 1px solid var(--text-muted);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: none;
    letter-spacing: 0;
    background: transparent;
    color: var(--text-muted);
    text-decoration: none;
    position: relative;
}

.btn-full-download::after {
    content: "(大文件)";
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.7;
    margin-left: 5px;
}

.btn-full-download:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    text-decoration: none;
}

.hero-image {
    /* flex: 1; */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;

}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 
        var(--shadow-primary),
        0 0 30px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.4s ease;
    border: 3px solid rgba(0, 212, 255, 0.2);
}

.hero-img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(5deg);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.7),
        0 0 50px rgba(0, 212, 255, 0.6),
        inset 0 0 30px rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
}

/* QR码区域样式 */
.qr-code-section {
    text-align: center;
    position: relative;
}

.qr-code-section a {
    display: inline-block;
    position: relative;
    animation: float-vertical 3s ease-in-out infinite;
    transition: all 0.4s ease;
}

.qr-code-section a::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color), var(--accent-color));
    border-radius: 25px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: rotate-border 4s linear infinite;
}

.qr-code-section a:hover::before {
    opacity: 0.8;
}

.qr-code-section a:hover {
    transform: translateY(-15px) scale(1.05);
    filter: drop-shadow(0 15px 35px rgba(0, 212, 255, 0.4));
}

.qr-code-section a:hover .hero-img {
    transform: perspective(1000px) rotateY(0deg) rotateX(5deg);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.7),
        0 0 50px rgba(0, 212, 255, 0.6),
        inset 0 0 30px rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
}

.qr-code-tip {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 600;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.3),
        0 0 10px rgba(0, 212, 255, 0.5);
    animation: pulse-glow 2s ease-in-out infinite;
    position: relative;
}

.qr-code-tip::after {
    content: '✨';
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes float-vertical {
    0%, 100% { 
        transform: translateY(0px);
    }
    50% { 
        transform: translateY(-10px);
    }
}

@keyframes pulse-glow {
    0%, 100% { 
        opacity: 0.8; 
        transform: scale(1);
        text-shadow: 
            0 2px 4px rgba(0, 0, 0, 0.3),
            0 0 10px rgba(0, 212, 255, 0.5);
    }
    50% { 
        opacity: 1; 
        transform: scale(1.03);
        text-shadow: 
            0 2px 4px rgba(0, 0, 0, 0.3),
            0 0 20px rgba(0, 212, 255, 0.8),
            0 0 30px rgba(0, 212, 255, 0.4);
    }
}

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

@keyframes sparkle {
    0%, 100% { 
        opacity: 0.6;
        transform: translateY(-50%) scale(1);
    }
    50% { 
        opacity: 1;
        transform: translateY(-50%) scale(1.2);
    }
}

/* 功能特色样式 */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 下载区域样式 */
.download {
    padding: 100px 0;
    background: var(--bg-dark);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.download-info p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.download-features {
    margin-bottom: 3rem;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-check {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-download:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
    color: var(--text-primary);
    text-decoration: none;
}

.os-icon {
    font-size: 2rem;
}

.os-name {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
}

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

.setup-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-primary);
}

/* 最新资讯样式 */
.news {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.news-card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
    border-color: var(--accent-color);
}

.news-card.featured {
    grid-row: span 2;
}

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-card.featured img {
    height: 300px;
}

.news-content {
    padding: 1.5rem;
}

.news-category {
    display: inline-block;
    background: var(--gradient-accent);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.news-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.news-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact-header {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: title-pulse 2s ease-in-out infinite;
}

.contact-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2.5rem;
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.4s ease;
    text-align: center;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(0, 212, 255, 0.3);
}

.contact-card.featured {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 255, 0.05) 100%);
    transform: scale(1.02);
}

.contact-card.featured::before {
    transform: scaleX(1);
    background: var(--gradient-primary);
}

.contact-card.featured:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.8),
        0 0 60px rgba(0, 212, 255, 0.5);
}

.contact-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
    position: relative;
    z-index: 2;
    animation: icon-float 3s ease-in-out infinite;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    animation: glow-pulse 2s ease-in-out infinite;
}

.contact-details h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.contact-value {
    font-size: 1.3rem;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.contact-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: block;
    margin-bottom: 1rem;
}

.join-btn {
    display: inline-block;
    background: var(--gradient-accent);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.join-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
    color: white;
    text-decoration: none;
}

.contact-footer {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.social-section h4 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

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

.social-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-btn:hover {
    background: var(--gradient-accent);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
    text-decoration: none;
}

.social-icon {
    font-size: 1.2rem;
}

@keyframes icon-float {
    0%, 100% { 
        transform: translateY(0px);
    }
    50% { 
        transform: translateY(-8px);
    }
}

@keyframes glow-pulse {
    0%, 100% { 
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card.featured {
        transform: none;
    }
    
    .contact-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .social-links-contact {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-title {
        font-size: 2.5rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 皮肤展示区域样式 */
.skins-showcase {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-secondary) 50%, var(--bg-dark) 100%);
    position: relative;
    overflow: hidden;
}

.skins-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.skins-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.skins-info {
    padding: 2rem 0;
}

.skins-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-accent);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
    animation: pulse-badge 3s ease-in-out infinite;
}

.badge-icon {
    font-size: 1.2rem;
    animation: rotate-icon 3s linear infinite;
}

.skins-title {
    margin-bottom: 2rem;
}

.title-highlight {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.title-sub {
    display: block;
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.skins-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.skins-description strong {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

.skins-features {
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.feature-item:hover {
    transform: translateX(10px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.feature-item .feature-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.feature-content h4 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--text-secondary);
    margin: 0;
}

.skins-categories h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 212, 255, 0.3);
}

.category-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.category-card span {
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
}

.skins-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.preview-container {
    position: relative;
    max-width: 500px;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem 2rem 1rem 2rem;
    border: 2px solid var(--border-color);
    box-shadow: 
        var(--shadow-primary),
        0 0 30px rgba(0, 212, 255, 0.2),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    animation: float-preview 4s ease-in-out infinite;
    transform-style: preserve-3d;
}

.preview-container::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(45deg, 
        var(--accent-color), 
        var(--primary-color), 
        var(--accent-color), 
        transparent, 
        var(--primary-color));
    border-radius: 23px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: border-glow 3s linear infinite;
}

.preview-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: -2;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.preview-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    animation: title-pulse 2s ease-in-out infinite;
}

.preview-image-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
}

.preview-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    filter: brightness(1.1) contrast(1.1) saturate(1.2);
    transition: all 0.4s ease;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    animation: image-glow 3s ease-in-out infinite;
    display: block;
}

.preview-container:hover {
    border-color: var(--accent-color);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(0, 212, 255, 0.4),
        inset 0 0 30px rgba(255, 255, 255, 0.1);
}

.preview-container:hover::before {
    opacity: 1;
}

.preview-container:hover::after {
    opacity: 1;
}

.preview-container:hover .preview-image {
    filter: brightness(1.4) contrast(1.3) saturate(1.4);
    transform: scale(1.08);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.7),
        0 0 50px rgba(0, 212, 255, 0.4),
        inset 0 0 30px rgba(255, 255, 255, 0.2);
}

.preview-container:hover .preview-overlay {
    opacity: 1;
    transform: translateY(0);
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border-radius: 0 0 15px 15px;
    padding: 1.5rem;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.5s ease;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 -10px 30px rgba(0, 0, 0, 0.8),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.overlay-text h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    animation: text-shimmer 2s ease-in-out infinite;
}

.overlay-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.free-tag {
    display: inline-block;
    background: var(--gradient-accent);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 700;
    animation: free-tag-pulse 2s ease-in-out infinite;
    box-shadow: 
        0 5px 15px rgba(255, 107, 53, 0.4),
        0 0 20px rgba(255, 107, 53, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes float-preview {
    0%, 100% { 
        transform: translateY(0px) rotateX(0deg) rotateY(0deg);
    }
    25% { 
        transform: translateY(-15px) rotateX(2deg) rotateY(1deg);
    }
    50% { 
        transform: translateY(-8px) rotateX(0deg) rotateY(-1deg);
    }
    75% { 
        transform: translateY(-15px) rotateX(-1deg) rotateY(1deg);
    }
}

@keyframes border-glow {
    0%, 100% { 
        background: linear-gradient(45deg, 
            var(--accent-color), 
            var(--primary-color), 
            var(--accent-color), 
            transparent, 
            var(--primary-color));
    }
    25% { 
        background: linear-gradient(135deg, 
            var(--primary-color), 
            var(--accent-color), 
            var(--primary-color), 
            transparent, 
            var(--accent-color));
    }
    50% { 
        background: linear-gradient(225deg, 
            var(--accent-color), 
            var(--primary-color), 
            var(--accent-color), 
            transparent, 
            var(--primary-color));
    }
    75% { 
        background: linear-gradient(315deg, 
            var(--primary-color), 
            var(--accent-color), 
            var(--primary-color), 
            transparent, 
            var(--accent-color));
    }
}

@keyframes title-pulse {
    0%, 100% { 
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
        transform: scale(1);
    }
    50% { 
        text-shadow: 0 0 40px rgba(0, 212, 255, 0.8), 0 0 60px rgba(0, 212, 255, 0.4);
        transform: scale(1.02);
    }
}

@keyframes image-glow {
    0%, 100% { 
        box-shadow: 
            0 10px 25px rgba(0, 0, 0, 0.5),
            inset 0 0 20px rgba(255, 255, 255, 0.1);
    }
    50% { 
        box-shadow: 
            0 10px 25px rgba(0, 0, 0, 0.5),
            inset 0 0 20px rgba(255, 255, 255, 0.1),
            0 0 40px rgba(0, 212, 255, 0.3);
    }
}

@keyframes text-shimmer {
    0%, 100% { 
        text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    }
    50% { 
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.8), 0 0 30px rgba(0, 212, 255, 0.4);
    }
}

@keyframes free-tag-pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 5px 15px rgba(255, 107, 53, 0.4),
            0 0 20px rgba(255, 107, 53, 0.3);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 
            0 8px 25px rgba(255, 107, 53, 0.6),
            0 0 30px rgba(255, 107, 53, 0.5);
    }
}

@keyframes pulse-badge {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
    }
}

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

/* 响应式设计 */
@media (max-width: 968px) {
    .skins-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .title-highlight {
        font-size: 2.5rem;
    }
}

/* 页脚样式 */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-section h3 {
    font-family: 'Orbitron', monospace;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

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

.social-link {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-accent);
    border-color: transparent;
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .title-main {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card.featured {
        transform: none;
    }
    
    .contact-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .social-links-contact {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 668px) {
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .btn-full-download {
        font-size: 0.8rem;
        padding: 10px 20px;
    }
    
    .btn-full-download::after {
        font-size: 0.65rem;
    }
}