* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --text: #333;
    --text-light: #fff;
    --background: #f9f9f9;
}

/* 深色模式变量 */
[data-theme="dark"] {
    --primary: #1a1a2e;
    --secondary: #4a90e2;
    --accent: #ff6b6b;
    --light: #2d3748;
    --dark: #1a202c;
    --text: #e2e8f0;
    --text-light: #f7fafc;
    --background: #0f1419;
}

body {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏样式 */
header {
    background-color: var(--primary);
    color: var(--text-light);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

/* 自定义图标 */
.logo-icon {
    width: 32px;
    height: 32px;
    margin-right: 10px;
    transition: filter 0.3s;
}

.footer-logo-icon {
    width: 24px;
    height: 24px;
    margin-right: 8px;
}

/* 深色模式下的图标调整 */
[data-theme="dark"] .logo-icon,
[data-theme="dark"] .footer-logo-icon {
    filter: brightness(0.9);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav-links a.active {
    color: var(--secondary);
}

.nav-links a:hover {
    color: var(--secondary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 主题切换按钮 */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s;
    padding: 0.5rem;
}

.theme-toggle:hover {
    color: var(--secondary);
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--text-light);
    padding: 10rem 0 6rem;
    text-align: center;
    margin-top: 60px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeIn 1s ease;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: fadeIn 1.5s ease;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 板块样式 */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--secondary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* 软件板块样式 */
.software {
    background-color: var(--light);
}

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

.software-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.software-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.software-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

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

/* 音乐板块样式 */
.music-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.music-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.music-card:hover {
    transform: translateY(-10px);
}

.music-image {
    height: 200px;
    overflow: hidden;
}

.music-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.music-card:hover .music-image img {
    transform: scale(1.1);
}

.music-info {
    padding: 1.5rem;
}

.music-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.music-player {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.play-btn {
    background-color: var(--secondary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.play-btn:hover {
    background-color: #2980b9;
}

/* 预留板块样式 */
.reserved {
    background-color: var(--light);
}

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

.reserved-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.reserved-card:hover {
    transform: translateY(-5px);
}

.reserved-icon {
    font-size: 2.5rem;
    color: #7f8c8d;
    margin-bottom: 1rem;
}

.reserved-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

/* 情怀板块样式 */
.sentiment-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.sentiment-text {
    flex: 1;
}

.sentiment-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.sentiment-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.sentiment-image:hover img {
    transform: scale(1.05);
}

/* 关于我们样式 */
.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* 引用样式 */
.quote {
    background: var(--light);
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0;
    text-align: center;
    position: relative;
}

.quote i {
    color: var(--secondary);
    font-size: 1.5rem;
    margin: 0 0.5rem;
}

.quote p {
    font-style: italic;
    margin: 1rem 0;
    font-size: 1.1rem;
}

/* 页脚样式 */
footer {
    background-color: var(--dark);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
    bottom: 0;
    left: 0;
}

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

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

.footer-column a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--secondary);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #bdc3c7;
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content, .sentiment-content {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary);
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.5rem 0;
        text-align: center;
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

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

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .software-grid, .music-grid, .reserved-grid {
        grid-template-columns: 1fr;
    }
}