:root {
    --desert-gold: #D4AF37;
    --oasis-green: #5D8C7B;
    --sand-gradient: linear-gradient(135deg, #F5DEB3, #8B4513, #FF8C00);
    --text-gold: #D4AF37;
    --text-light: #F5F5DC;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'HarmonyOS Sans', sans-serif;
    background-color: #F5F5DC;
    color: #333;
}

.header {
    background: var(--sand-gradient);
    padding: 1rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    color: var(--text-gold);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

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

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

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

.hero {
    height: 100vh;
    background-image: url('header_bj.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: rgb(159, 142, 30);
}

.hero-content h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.quick-access {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: rgb(255, 255, 255);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
}

.card h3 {
    font-family: 'Noto Serif SC', serif;
    color: var(--desert-gold);
    padding: 1rem;
    margin: 0;
}

.card p {
    padding: 0 1rem 1rem;
    color: #666;
    flex-grow: 1;
}

footer {
    background: var(--sand-gradient);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-menu-btn i {
    transition: transform 0.3s ease;
}

.mobile-menu-btn.active i {
    transform: rotate(90deg);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 50px;
        right: 20px;
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(15px) saturate(180%);
        -webkit-backdrop-filter: blur(15px) saturate(180%);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        transform: translateX(100%) scale(0.8);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        border-radius: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        min-width: 180px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .nav-links.active {
        transform: translateX(0) scale(1);
        
    }

    .nav-links li {
        width: 100%;
        text-align: left;
        opacity: 0;
        transform: translateX(30px);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links li:nth-child(2) { transition-delay: 0.15s; }
    .nav-links li:nth-child(3) { transition-delay: 0.2s; }
    .nav-links li:nth-child(4) { transition-delay: 0.25s; }
    .nav-links li:nth-child(5) { transition-delay: 0.3s; }

    .nav-links a {
        display: flex;
        align-items: center;
        padding: 0.8rem 1.2rem;
        font-size: 1rem;
        color: #333;
        text-decoration: none;
        border-radius: 12px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-links a::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, 
            rgba(212, 175, 55, 0.15), 
            rgba(93, 140, 123, 0.15));
        opacity: 0;
        transition: opacity 0.3s ease;
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }

    .nav-links a:hover {
        color: var(--desert-gold);
        transform: translateX(5px);
        background: rgba(255, 255, 255, 0.2);
        
    }

    .nav-links a:hover::before {
        opacity: 1;
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, 
            var(--desert-gold), 
            var(--oasis-green));
        transition: width 0.3s ease;
    }

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

    .hero {
        height: 50vh;
        margin-top: 50px;
    }

    .hero-content h1 {
        font-size: 2rem;
        padding: 0 1rem;
        line-height: 1.2;
    }

    .hero-content p {
        font-size: 1rem;
        padding: 0 1rem;
        line-height: 1.4;
    }

    .quick-access {
        padding: 2rem 1rem;
        gap: 1.5rem;
        grid-template-columns: 1fr;
    }

    .card {
        margin-bottom: 1.5rem;
    }

    .card img {
        height: 200px;
    }

    .card h3 {
        font-size: 1.2rem;
        padding: 1rem;
    }

    .card p {
        font-size: 0.9rem;
        padding: 0 1rem 1rem;
    }

    footer {
        padding: 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 12px;
    }

    .hero {
        height: 40vh;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .quick-access {
        padding: 1.5rem 1rem;
        gap: 1rem;
    }

    .card {
        transform: scale(0.9);
        margin-bottom: 1rem;
    }

    .card img {
        height: 180px;
    }

    .card h3 {
        font-size: 1.1rem;
        padding: 0.8rem;
    }

    .card p {
        font-size: 0.8rem;
        padding: 0 0.8rem 0.8rem;
    }

    .nav-links {
        min-width: 160px;
        padding: 1rem;
    }

    .nav-links a {
        padding: 0.7rem 1rem;
        font-size: 0.9rem;
    }
}

/* 添加触摸设备优化 */
@media (hover: none) {
    .card:hover {
        transform: none;
    }
    
    .nav-links a:hover {
        color: var(--text-light);
    }
}

.instruments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.instrument-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

.instrument-card h3 {
    font-family: 'Noto Serif SC', serif;
    color: var(--desert-gold);
    padding: 1rem;
    margin: 0;
}

.instrument-card p {
    padding: 0 1rem 1rem;
    color: #666;
}

@media (max-width: 768px) {
    .instruments-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .instrument-card img {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .instruments-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    .instrument-card img {
        height: 150px;
    }
}

/* 删除main标签的样式 */
main {
    /* 删除这些样式 */
}

.master-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.master-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    padding: 1.5rem;
    text-align: center;
}

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

.master-card img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    display: block;
}

.master-card h3 {
    font-family: 'Noto Serif SC', serif;
    color: var(--desert-gold);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.master-card p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.master-card p:last-child {
    font-size: 0.9rem;
    color: #999;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .master-list {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .master-card img {
        width: 180px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .master-list {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    .master-card img {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
    }
    
    .nav-links.active {
        display: block;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
}