:root {
            --base-black: #468641;
            --base-gray: #468641;
            --accent-blue: #468641;
            --accent-pink: #468641;
            --accent-purple: #9D00FF;
            --acrylic-bg: rgba(34, 34, 34, 0.6);
            --text-color: rgba(255, 255, 255, 0.8);
            --grid-color: #333333;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Courier New', Courier, monospace;
        }

        body {
            background-color: var(--base-black);
            background-image: 
                linear-gradient(rgba(51, 51, 51, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(51, 51, 51, 0.1) 1px, transparent 1px);
            background-size: 20px 20px;
            color: var(--text-color);
            position: relative;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* 网格点动画 */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        /* 装饰图形 */
        .floating-shape {
            position: fixed;
            background-color: var(--base-gray);
            opacity: 0.7;
            pointer-events: none;
            z-index: 0;
            border: 1px solid var(--accent-blue);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            animation: float 15s infinite ease-in-out, glitch 10s infinite;
        }

        .shape-1 {
            width: 120px;
            height: 120px;
            top: 20%;
            left: 10%;
            transform: rotate(45deg);
        }

        .shape-2 {
            width: 80px;
            height: 80px;
            top: 60%;
            left: 85%;
            clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
        }

        .shape-3 {
            width: 100px;
            height: 60px;
            top: 40%;
            left: 80%;
            border-radius: 5px;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(10deg); }
        }

        @keyframes glitch {
            0%, 95%, 100% { opacity: 0.7; }
            96% { opacity: 0; }
            97% { opacity: 0.3; }
            98% { opacity: 0; }
            99% { opacity: 0.5; }
        }

        /* 导航栏 - 磨砂金属效果 */
        .navbar {
            background-color: var(--base-gray);
            background-image: linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 20px 100%;
            border-bottom: 1px solid var(--accent-blue);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 1rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
            overflow: hidden;
            position: relative;
        }

        .navbar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
            transition: 0.5s;
            animation: navbarGlow 8s infinite;
        }

        @keyframes navbarGlow {
            0%, 100% { left: -100%; }
            50% { left: 100%; }
        }

        .navbar .logo {
            color: white;
            font-size: 1.5rem;
            font-weight: bold;
            text-shadow: 0 0 5px var(--accent-pink);
            position: relative;
            animation: textGlitch 15s infinite;
        }

        .logo::after {
            content: '小八资源分享站';
            position: absolute;
            top: 0;
            left: 1px;
            color: var(--accent-pink);
            opacity: 0.7;
            z-index: -1;
        }

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

        .nav-link {
            color: var(--text-color);
            text-decoration: none;
            position: relative;
            padding: 0.5rem 0;
            transition: all 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-pink));
            transition: width 0.3s ease;
        }

        .nav-link:hover {
            color: white;
            text-shadow: 0 0 5px var(--accent-blue);
        }

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

        .nav-link.active {
            color: var(--accent-blue);
        }

        .hamburger {
            display: none;
            color: var(--accent-blue);
            font-size: 1.5rem;
            cursor: pointer;
            text-shadow: 0 0 5px var(--accent-blue);
        }

        /* 主内容区 */
        .main-content {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            position: relative;
            z-index: 10;
        }

        .page-title {
            color: white;
            text-align: center;
            margin-bottom: 3rem;
            font-size: 2.5rem;
            position: relative;
            text-shadow: 0 0 10px var(--accent-pink);
            animation: textGlitch 15s infinite;
        }

        .page-title::before {
            content: attr(data-text);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            color: var(--accent-pink);
            opacity: 0.5;
            z-index: -1;
            transform: translate(2px, 2px);
        }

        @keyframes textGlitch {
            0%, 95%, 100% { transform: none; }
            96% { transform: translate(-2px, 2px); }
            97% { transform: translate(2px, -2px); }
            98% { transform: translate(-2px, -2px); }
            99% { transform: translate(2px, 2px); }
        }

        /* 分类网格 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(calc(20% - 1.6rem), 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        /* 分类卡片 - 亚克力风格 */
        .category-card {
            background: var(--acrylic-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
            background-size: 15px 15px;
            opacity: 0.5;
            pointer-events: none;
        }

        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(157, 0, 255, 0.4);
            border-color: var(--accent-pink);
        }

        .category-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--accent-blue);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
            transition: all 0.3s ease;
        }

        .category-card:hover .category-icon {
            color: var(--accent-pink);
            transform: scale(1.1);
        }

        .category-title {
            color: white;
            margin-bottom: 0.5rem;
            position: relative;
            text-shadow: 0 0 5px rgba(0, 240, 255, 0.3);
        }

        .category-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-pink));
            transition: width 0.3s ease;
        }

        .category-card:hover .category-title::after {
            width: 80%;
        }

        .category-desc {
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            line-height: 1.4;
        }

        /* 按钮 - 玻璃态金属风格 */
        .category-btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--base-gray), #2a2a2a);
            color: white;
            text-decoration: none;
            padding: 0.5rem 1.5rem;
            border-radius: 4px;
            border: 1px solid rgba(0, 240, 255, 0.5);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }

        .category-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transform: translateX(-100%);
            transition: 0.5s;
        }

        .category-btn:hover {
            border-color: var(--accent-pink);
            box-shadow: 0 0 10px rgba(255, 0, 240, 0.5);
        }

        .category-btn:hover::before {
            transform: translateX(100%);
        }

        .category-btn:active {
            transform: scale(0.95);
        }

        .category-btn:active::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(157, 0, 255, 0.5);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            animation: pulse 0.6s;
        }

        @keyframes pulse {
            0% { width: 0; height: 0; opacity: 0.8; }
            100% { width: 200px; height: 200px; opacity: 0; }
        }

        /* 二级分类内容区 */
        .subcategory-container {
            margin-top: 2rem;
        }

        .subcategory-content {
            display: none;
            margin-top: 2rem;
            padding: 2rem;
            background: var(--acrylic-bg);
            backdrop-filter: blur(10px);
            border-radius: 8px;
            border: 1px solid rgba(0, 240, 255, 0.3);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            position: relative;
            overflow: hidden;
        }

        .subcategory-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
        }

        .subcategory-content h3 {
            color: var(--accent-blue);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(0, 240, 255, 0.3);
            text-shadow: 0 0 5px rgba(0, 240, 255, 0.5);
            position: relative;
        }

        .block-title {
            color: var(--accent-pink);
            margin: 1.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(255, 0, 240, 0.3);
            text-shadow: 0 0 5px rgba(255, 0, 240, 0.5);
        }

        /* 下载项 */
        .download-item {
            background: rgba(255, 255, 255, 0.05);
            border-left: 2px solid var(--accent-blue);
            padding: 0.8rem 1rem;
            margin-bottom: 1rem;
            border-radius: 0 4px 4px 0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .download-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: linear-gradient(90deg, rgba(0, 240, 255, 0.1), transparent);
            transition: width 0.3s ease;
        }

        .subcategory-content a {
            color: var(--text-color);
            text-decoration: none;
            display: block;
        }

        .subcategory-content a:hover .download-item {
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--accent-pink);
            transform: translateX(5px);
        }

        .subcategory-content a:hover .download-item::before {
            width: 100%;
        }

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

        .subcategory-content {
            animation: fadeIn 0.8s ease-out;
        }

        /* 霓虹边缘动画 */
        @keyframes neonPulse {
            0%, 100% { box-shadow: 0 0 5px rgba(0, 240, 255, 0.5); }
            50% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.8); }
        }

        .navbar, .category-card, .subcategory-content {
            animation: neonPulse 3s infinite;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(auto-fit, minmax(calc(25% - 1.5rem), 1fr));
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background: var(--base-gray);
                width: 50%;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: right 0.3s ease;
                z-index: 99;
                border-left: 1px solid var(--accent-blue);
                box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
            }

            .nav-links.active {
                right: 0;
            }

            .hamburger {
                display: block;
            }

            .category-grid {
                grid-template-columns: repeat(auto-fit, minmax(calc(50% - 1rem), 1fr));
            }

            .page-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .category-grid {
                grid-template-columns: 1fr;
            }

            .nav-links {
                width: 100%;
                right: -100%;
            }
        }
        /* 底部状态栏 - 赛博朋克风格强化 */
.footer {
  /* 赛博朋克核心深色背景 + 噪点纹理 */
  background: #0a0a0f;
  background-image: 
    /* 网格纹理 - 增强科技感 */
    linear-gradient(90deg, rgba(0, 240, 255, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(255, 0, 240, 0.05) 1px, transparent 1px),
    /* 噪点纹理 - 增加复古电子感 */
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 20px 20px, 40px 40px, 10px 10px;
  padding: 1.5rem 2rem;
  /* 霓虹渐变边框 - 蓝粉撞色 */
  border-top: 1px solid;
  border-image: linear-gradient(90deg, #00f0ff, #ff00f0, #00f0ff) 1;
  margin-top: 3rem;
  position: relative;
  z-index: 10;
  /* 底部发光条带 */
  box-shadow: 0 -2px 15px rgba(0, 240, 255, 0.2);
  /* 背景缓慢滚动动画 */
  animation: bgScroll 30s linear infinite;
}

/* 背景滚动动画 */
@keyframes bgScroll {
  0% { background-position: 0 0, 0 0, 0 0; }
  100% { background-position: 200px 0, 400px 0, 100px 0; }
}

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

/* 角落霓虹装饰线条 */
.footer::before,
.footer::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00f0ff);
  bottom: 10px;
}

.footer::before {
  left: 2rem;
  box-shadow: 0 0 10px #00f0ff, 0 0 20px rgba(0, 240, 255, 0.5);
}

.footer::after {
  right: 2rem;
  background: linear-gradient(90deg, #ff00f0, transparent);
  box-shadow: 0 0 10px #ff00f0, 0 0 20px rgba(255, 0, 240, 0.5);
}

/* 赛博朋克风格返回顶部按钮 */
.back-to-top {
  /* 霓虹渐变文字 */
  color: #00f0ff;
  text-shadow: 0 0 5px #00f0ff, 0 0 10px #00f0ff;
  text-decoration: none;
  padding: 0.6rem 1.2rem;
  font-family: 'Orbitron', sans-serif; /* 赛博朋克常用科技字体 */
  font-size: 0.9rem;
  letter-spacing: 1px;
  border: 1px solid;
  border-image: linear-gradient(45deg, #00f0ff, #ff00f0) 1;
  border-radius: 2px; /* 棱角更锐利 */
  background: rgba(10, 10, 15, 0.8);
  /* 基础发光 */
  box-shadow: 0 0 5px #00f0ff, inset 0 0 5px rgba(0, 240, 255, 0.2);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

/* 按钮内部发光条纹 */
.back-to-top::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to right,
    transparent,
    rgba(0, 240, 255, 0.1),
    transparent
  );
  transform: rotate(30deg);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% { transform: rotate(30deg) translateX(-100%); }
  100% { transform: rotate(30deg) translateX(100%); }
}

/* 按钮悬停强化效果 */
.back-to-top:hover {
  color: #ff00f0;
  text-shadow: 0 0 5px #ff00f0, 0 0 15px #ff00f0, 0 0 20px #ff00f0;
  background: rgba(30, 5, 30, 0.8);
  /* 强烈发光扩散 */
  box-shadow: 0 0 10px #ff00f0, 0 0 20px rgba(255, 0, 240, 0.5), 
              inset 0 0 8px rgba(255, 0, 240, 0.3);
  transform: translateY(-3px) scale(1.02);
  border-image: linear-gradient(45deg, #ff00f0, #00f0ff) 1;
}

/* 底部额外霓虹装饰条 */
.footer::after {
  /* 底部边缘发光条 */
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent, 
    #00f0ff 20%, 
    #ff00f0 50%, 
    #00f0ff 80%, 
    transparent
  );
  box-shadow: 0 0 10px #00f0ff, 0 0 20px rgba(0, 240, 255, 0.3);
  animation: glowShift 8s ease-in-out infinite;
}

@keyframes glowShift {
  0%, 100% { background-position: 0 0; }
  50% { background-position: 100% 0; }
}

        /* 滚动动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }

/* 首页 */
        /* 基础重置与变量定义 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --base-black: #0A0A0A;
            --base-darkgray: #1A1A1A;
            --neon-blue: #00F0FF;
            --neon-pink: #FF00F0;
            --neon-purple: #9D00FF;
            --acrylic-bg: rgba(34, 34, 34, 0.6);
            --text-color: rgba(255, 255, 255, 0.8);
            --grid-color: #333333;
        }

        body {
            background-color: var(--base-black);
            background-image: 
                linear-gradient(rgba(51, 51, 51, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(51, 51, 51, 0.1) 1px, transparent 1px);
            background-size: 20px 20px;
            color: var(--text-color);
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }

        /* 网格点动画 */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        /* 悬浮金属片装饰 */
        .floating-shape {
            position: fixed;
            background: var(--base-darkgray);
            opacity: 0.7;
            pointer-events: none;
            z-index: 0;
            border: 1px solid var(--neon-blue);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            animation: float 15s infinite ease-in-out, glitch 10s infinite;
        }

        .triangle {
            width: 0;
            height: 0;
            border-left: 30px solid transparent;
            border-right: 30px solid transparent;
            border-bottom: 50px solid var(--base-darkgray);
        }

        .hexagon {
            width: 40px;
            height: 23px;
            position: relative;
        }

        .hexagon::before {
            content: "";
            position: absolute;
            top: -11px;
            left: 0;
            width: 0;
            height: 0;
            border-left: 20px solid transparent;
            border-right: 20px solid transparent;
            border-bottom: 11px solid var(--base-darkgray);
        }

        .hexagon::after {
            content: "";
            position: absolute;
            bottom: -11px;
            left: 0;
            width: 0;
            height: 0;
            border-left: 20px solid transparent;
            border-right: 20px solid transparent;
            border-top: 11px solid var(--base-darkgray);
        }

        /* 导航栏 - 磨砂金属风格 */
        .navbar {
            background: var(--base-darkgray);
            background-image: linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 10px 10px;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--neon-blue);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
            overflow: hidden;
            position: relative;
        }

        .navbar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 50%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
            transition: 0.5s;
            animation: navbar-glow 8s infinite;
        }

        .navbar::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 30px;
            height: 100%;
            animation: glitch-effect 0.5s infinite;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            text-shadow: 0 0 5px var(--neon-pink), 0 0 10px var(--neon-pink);
            position: relative;
            animation: text-glitch 5s infinite;
        }

        .nav-links {
            display: flex;
            gap: 1.5rem;
        }

        .nav-link {
            color: var(--text-color);
            text-decoration: none;
            padding: 0.5rem;
            position: relative;
            transition: all 0.3s;
            background: var(--base-darkgray);
            border: 1px solid transparent;
            border-radius: 4px;
        }

        .nav-link:hover {
            color: white;
            border-color: var(--neon-blue);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
            transition: width 0.3s;
        }

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

        .hamburger {
            display: none;
            color: var(--neon-blue);
            font-size: 1.5rem;
            cursor: pointer;
            text-shadow: 0 0 5px var(--neon-blue);
        }

        /* 主内容区 - 亚克力风格 */
        .main-content {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
            position: relative;
            z-index: 10;
        }

        .announcement {
            background: var(--acrylic-bg);
            backdrop-filter: blur(8px);
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid var(--neon-blue);
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }

        .announcement:hover {
            transform: translateY(-5px);
            border-color: var(--neon-pink);
            box-shadow: 0 0 20px rgba(157, 0, 255, 0.5);
        }

        .announcement::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
        }

        .announcement::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
        }

        .announcement-title {
            color: white;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            text-shadow: 0 0 5px var(--neon-blue);
            position: relative;
        }

        .announcement-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            height: 1px;
            width: 60px;
            background: var(--neon-pink);
        }

        .section-title {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            text-shadow: 0 0 5px var(--neon-pink);
        }

        .announcement-content p {
            margin-bottom: 1rem;
            line-height: 1.8;
            position: relative;
            padding-left: 1.5rem;
        }

        .announcement-content p::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.5rem;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-blue);
            box-shadow: 0 0 5px var(--neon-blue);
        }

        .announcement-content a {
            color: var(--neon-blue);
            text-decoration: none;
            position: relative;
            transition: all 0.3s;
        }

        .announcement-content a:hover {
            color: var(--neon-pink);
            text-shadow: 0 0 5px var(--neon-pink);
        }

        .announcement-content a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 1px;
            background: var(--neon-blue);
            transition: all 0.3s;
        }

        .announcement-content a:hover::after {
            background: var(--neon-pink);
            height: 2px;
        }

        /* 底部状态栏 */
        .footer {
            background: var(--base-darkgray);
            background-image: linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 10px 10px;
            padding: 1rem 2rem;
            border-top: 1px solid var(--neon-blue);
            margin-top: 3rem;
            position: relative;
            z-index: 10;
        }

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

        .back-to-top {
            color: var(--neon-blue);
            text-decoration: none;
            padding: 0.5rem 1rem;
            border: 1px solid var(--neon-blue);
            border-radius: 4px;
            transition: all 0.3s;
            background: rgba(0, 240, 255, 0.05);
        }

        .back-to-top:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background: var(--base-darkgray);
                width: 50%;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: right 0.3s;
                border-left: 1px solid var(--neon-blue);
                z-index: 100;
            }

            .nav-links.active {
                right: 0;
            }

            .hamburger {
                display: block;
            }
        }

        /* 动画效果 */
        @keyframes navbar-glow {
            0% { left: -100%; }
            20% { left: 100%; }
            100% { left: 100%; }
        }

        @keyframes glitch-effect {
            0%, 100% { transform: translateX(0); }
            50% { transform: translateX(-2px); }
        }

        @keyframes text-glitch {
            0%, 100% { transform: translateX(0); }
            90% { transform: translateX(0); }
            92% { transform: translateX(-2px); }
            94% { transform: translateX(2px); }
            96% { transform: translateX(-1px); }
            98% { transform: translateX(1px); }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(5deg); }
        }

        @keyframes glitch {
            0%, 100% { opacity: 0.7; }
            5% { opacity: 0; }
            6% { opacity: 0.7; }
            10% { opacity: 0.4; }
            11% { opacity: 0.7; }
        }

        @keyframes neon-pulse {
            0%, 100% { box-shadow: 0 0 5px var(--neon-blue); }
            50% { box-shadow: 0 0 15px var(--neon-blue); }
        }

        /* 为霓虹边框添加闪烁效果 */
        .navbar, .announcement, .footer {
            animation: neon-pulse 3s infinite;
        }

        /* 滚动动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }