* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Serif SC', serif;
            background: linear-gradient(135deg, #5a0000 0%, #8b0000 25%, #a52a2a 50%, #8b0000 75%, #5a0000 100%);
            background-size: 400% 400%;
            animation: gradientBG 20s ease infinite;
            color: #fff;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        
        @keyframes gradientBG {
            0% { background-position: 0% 50% }
            50% { background-position: 100% 50% }
            100% { background-position: 0% 50% }
        }
        
        /* 传统纹样背景 */
        .pattern-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.05) 2px, transparent 2px),
                radial-gradient(circle at 80% 70%, rgba(255, 69, 0, 0.05) 2px, transparent 2px),
                linear-gradient(45deg, transparent 49%, rgba(255, 215, 0, 0.03) 50%, transparent 51%),
                linear-gradient(-45deg, transparent 49%, rgba(255, 215, 0, 0.03) 50%, transparent 51%);
            background-size: 80px 80px, 100px 100px, 40px 40px, 40px 40px;
            z-index: -1;
            opacity: 0.7;
        }
        
        /* 戏曲边框 */
        .opera-border {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 5;
            overflow: hidden;
        }
        
        .border-top, .border-bottom {
            position: absolute;
            left: 0;
            width: 100%;
            height: 30px;
            background: linear-gradient(90deg, #ffd700, #ff4500, #ffd700);
            opacity: 0.7;
        }
        
        .border-top {
            top: 0;
            box-shadow: 0 5px 15px rgba(255, 69, 0, 0.5);
        }
        
        .border-bottom {
            bottom: 0;
            box-shadow: 0 -5px 15px rgba(255, 69, 0, 0.5);
        }
        
        .border-left, .border-right {
            position: absolute;
            top: 0;
            width: 30px;
            height: 100%;
            background: linear-gradient(180deg, #ffd700, #ff4500, #ffd700);
            opacity: 0.7;
        }
        
        .border-left {
            left: 0;
            box-shadow: 5px 0 15px rgba(255, 69, 0, 0.5);
        }
        
        .border-right {
            right: 0;
            box-shadow: -5px 0 15px rgba(255, 69, 0, 0.5);
        }
        
        /* 角部装饰 */
        .corner-decoration {
            position: absolute;
            width: 80px;
            height: 80px;
            z-index: 6;
        }
        
        .corner-tl { top: 15px; left: 15px; }
        .corner-tr { top: 15px; right: 15px; transform: rotate(90deg); }
        .corner-bl { bottom: 15px; left: 15px; transform: rotate(-90deg); }
        .corner-br { bottom: 15px; right: 15px; transform: rotate(180deg); }
        
        .corner-decoration::before {
            content: "✦";
            position: absolute;
            font-size: 30px;
            color: #ffd700;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
        }
        
        .corner-decoration::after {
            content: "";
            position: absolute;
            width: 60px;
            height: 60px;
            border: 2px solid #ff8c00;
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0.5;
        }
        
        /* 主体容器 */
        .container {
            max-width: 1650px;
            margin: 0 auto;
            padding: 20px;
            position: relative;
            z-index: 10;
        }
        
        /* 顶部导航 */
        .top-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            margin-bottom: 40px;
            position: relative;
        }
        
        .top-nav::before {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, #ffd700, #ff4500, #ffd700, transparent);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.5);
        }
        
        .logo {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .logo-icon {
            font-size: 4rem;
            color: #ffd700;
            text-shadow: 0 0 15px rgba(255, 215, 0, 0.8);
            margin-bottom: 10px;
            animation: pulse 3s infinite alternate;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            100% { transform: scale(1.1); }
        }
        
        .logo-text {
            font-family: 'Ma Shan Zheng', cursive;
            font-size: 2.8rem;
            background: linear-gradient(to bottom, #ffd700, #ff8c00, #ff4500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            letter-spacing: 8px;
            text-align: center;
        }
        
        .logo-subtitle {
            font-size: 1rem;
            color: #ffe4b5;
            letter-spacing: 3px;
            margin-top: 5px;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            background: rgba(90, 0, 0, 0.8);
            border-radius: 50px;
            padding: 10px 25px;
            border: 2px solid rgba(255, 215, 0, 0.5);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
        }
        
        .nav-item {
            margin: 0 15px;
            position: relative;
        }
        
        .nav-link {
            color: #ffe4b5;
            text-decoration: none;
            font-size: 1.1rem;
            padding: 10px 20px;
            display: block;
            border-radius: 30px;
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }
        
        .nav-link:hover, .nav-link.active {
            color: #ffd700;
            background: rgba(255, 69, 0, 0.3);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 69, 0, 0.4);
        }
        
        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #ffd700, transparent);
            transform: translateX(-100%);
            transition: transform 0.5s;
        }
        
        .nav-link:hover::after {
            transform: translateX(100%);
        }
        
        /* 页面标题 */
        .page-header {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .page-title {
            font-size: 3.5rem;
            color: #ffd700;
            margin-bottom: 20px;
            text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8);
            position: relative;
            display: inline-block;
        }
        
        .page-title::before, .page-title::after {
            content: "✧";
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            color: #ff8c00;
            font-size: 2.5rem;
            opacity: 0.8;
        }
        
        .page-title::before {
            left: -80px;
        }
        
        .page-title::after {
            right: -80px;
        }
        
        .page-subtitle {
            font-size: 1.3rem;
            color: #ffa500;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 脸谱展示区 */
        .masks-section {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-bottom: 60px;
        }
        
        .mask-card {
            background: rgba(60, 0, 0, 0.7);
            border-radius: 20px;
            padding: 30px;
            border: 3px solid rgba(255, 215, 0, 0.3);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }
        
        .mask-card:hover {
            transform: translateY(-10px);
            border-color: #ffd700;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            background: rgba(139, 0, 0, 0.8);
        }
        
        .mask-header {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .mask-icon {
            font-size: 3rem;
            color: #ffd700;
            margin-right: 20px;
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            border: 2px solid rgba(255, 215, 0, 0.3);
        }
        
        .mask-title {
            font-size: 2rem;
            color: #ffa500;
        }
        
        .mask-color {
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            margin-right: 10px;
            vertical-align: middle;
        }
        
        .mask-content {
            color: #ffe4b5;
            line-height: 1.8;
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .mask-example {
            font-style: italic;
            color: #ffd700;
            padding: 15px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 10px;
            border-left: 4px solid #ff8c00;
        }
        
        /* 脸谱图库 */
        .gallery-section {
            margin-bottom: 60px;
        }
        
        .section-title {
            font-size: 2.5rem;
            color: #ffd700;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 150px;
            height: 3px;
            background: linear-gradient(90deg, transparent, #ff4500, transparent);
        }
        
        .mask-gallery {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }
        
        .gallery-item {
            background: rgba(90, 0, 0, 0.6);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            border: 2px solid rgba(255, 215, 0, 0.2);
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }
        
        .gallery-item:hover {
            transform: scale(1.05);
            border-color: #ffd700;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
        }
        
        .mask-image {
            width: 100%;
            height: 180px;
            border-radius: 10px;
            margin-bottom: 15px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.5rem;
            color: #ffd700;
        }
        
        .mask-name {
            font-size: 1.2rem;
            color: #ffa500;
            margin-bottom: 10px;
        }
        
        .mask-role {
            font-size: 0.9rem;
            color: #ffe4b5;
        }
        
        /* 页脚 */
        .footer {
            background: rgba(30, 0, 0, 0.9);
            border-radius: 20px 20px 0 0;
            padding: 50px 40px 30px;
            border-top: 5px solid #ffd700;
            position: relative;
            overflow: hidden;
        }
        
        .footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #ff4500, #ffd700, #ff4500);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-logo {
            font-family: 'Ma Shan Zheng', cursive;
            font-size: 2.5rem;
            color: #ffd700;
            margin-bottom: 20px;
        }
        
        .footer-description {
            color: #ffe4b5;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        .footer-title {
            font-size: 1.4rem;
            color: #ffa500;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: #ff4500;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #ffe4b5;
            text-decoration: none;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        
        .footer-links a:hover {
            color: #ffd700;
            transform: translateX(5px);
        }
        
        .footer-links a i {
            margin-right: 10px;
            color: #ffa500;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            color: #ffd700;
            font-size: 1.2rem;
            transition: all 0.3s;
        }
          .social-link:hover {
            background: rgba(255, 215, 0, 0.3);
            transform: translateY(-5px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: #ffa500;
            font-size: 0.9rem;
        }
        
        /* 飘动元素 */
        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }
        
        .floating-element {
            position: absolute;
            color: rgba(255, 215, 0, 0.15);
            font-size: 2.5rem;
            animation: floatElement 25s infinite linear;
        }
        
        @keyframes floatElement {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 0.3;
            }
            90% {
                opacity: 0.3;
            }
            100% {
                transform: translateY(-100px) rotate(360deg);
                opacity: 0;
            }
        }
        
        /* 卷轴装饰 */
        .scroll-decoration {
            position: fixed;
            top: 50%;
            left: 20px;
            width: 60px;
            height: 300px;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            z-index: 2;
        }
        
        .scroll-top, .scroll-bottom {
            width: 40px;
            height: 40px;
            background: #ffd700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #8b0000;
            font-size: 1.5rem;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
            cursor: pointer;
        }
        
        .scroll-line {
            width: 5px;
            height: 200px;
            background: linear-gradient(to bottom, #ffd700, #ff4500, #ffd700);
            border-radius: 5px;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .masks-section {
                grid-template-columns: 1fr;
            }
            
            .mask-gallery {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .top-nav {
                flex-direction: column;
            }
            
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
                margin-top: 20px;
            }
            
            .nav-item {
                margin: 5px 10px;
            }
            
            .mask-gallery {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .mask-gallery {
                grid-template-columns: 1fr;
            }
        }