* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            min-height: 100vh;
            padding: 20px;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px 0;
        }
        
        .logo-container {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .logo-img {
            width: 80px;
            height: 80px;
            border-radius: 15px;
            margin-right: 15px;
            object-fit: cover;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            border: 2px solid rgba(255, 255, 255, 0.1);
        }
        
        .logo-text {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff416c, #ff4b2b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 5px 15px rgba(255, 75, 43, 0.3);
        }
        
        .subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }
        
        .search-box {
            max-width: 600px;
            margin: 0 auto 30px;
            position: relative;
        }
        
        .search-box input {
            width: 100%;
            padding: 15px 20px;
            border-radius: 50px;
            border: none;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            color: white;
            font-size: 1rem;
            padding-left: 50px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }
        
        .search-box input:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 20px rgba(255, 75, 43, 0.3);
        }
        
        .search-box i {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.7);
        }
        
        .categories {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 40px;
        }
        
        .category-btn {
            padding: 10px 25px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            position: relative;
            overflow: hidden;
        }
        
        .category-btn:after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 0;
            border-radius: 100%;
            transform: scale(1, 1) translate(-50%);
            transform-origin: 50% 50%;
        }
        
        .category-btn:focus:after {
            animation: ripple 1s ease-out;
        }
        
        @keyframes ripple {
            0% {
                transform: scale(0, 0);
                opacity: 0.5;
            }
            100% {
                transform: scale(20, 20);
                opacity: 0;
            }
        }
        
        .category-btn:hover, .category-btn.active {
            background: linear-gradient(to right, #ff416c, #ff4b2b);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 75, 43, 0.4);
        }
        
        .sites-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }
        
        .site-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        
        .site-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255, 65, 108, 0.1) 0%, rgba(255, 75, 43, 0.1) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }
        
        .site-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        .site-card:hover:before {
            opacity: 1;
        }
        
        .site-icon {
            width: 60px;
            height: 60px;
            border-radius: 15px;
            background: linear-gradient(135deg, #ff416c, #ff4b2b);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
            transition: transform 0.3s ease;
            overflow: hidden;
        }
        
        .site-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 15px;
        }
        
        .site-card:hover .site-icon {
            transform: rotateY(180deg);
        }
        
        .site-name {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .site-desc {
            color: rgba(16, 203, 47);
            margin-bottom: 20px;
            flex-grow: 1;
            line-height: 1.5;
        }
        
        .site-link {
            display: inline-block;
            padding: 12px 25px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            color: white;
            text-decoration: none;
            text-align: center;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .site-link:after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 0;
            border-radius: 100%;
            transform: scale(1, 1) translate(-50%);
            transform-origin: 50% 50%;
        }
        
        .site-link:focus:after {
            animation: ripple 1s ease-out;
        }
        
        .site-link:hover {
            background: linear-gradient(to right, #ff416c, #ff4b2b);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 75, 43, 0.4);
        }
        
        footer {
            text-align: center;
            margin-top: 60px;
            padding: 20px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        /* 弹窗样式 */
        .announcement-modal {
            display: flex;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }
        
        .announcement-content {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            border-radius: 20px;
            width: 90%;
            max-width: 500px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
        }
        
        .announcement-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .announcement-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #ff4b2b;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .announcement-title i {
            font-size: 1.5rem;
        }
        
        .close-btn {
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.8rem;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        
        .close-btn:hover {
            color: #ff4b2b;
            background: rgba(255, 255, 255, 0.1);
        }
        
        .announcement-body {
            margin-bottom: 25px;
        }
        
        .announcement-text {
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .address-list {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
        }
        
        .address-item {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .address-item:last-child {
            border-bottom: none;
        }
        
        .address-item i {
            color: #ff4b2b;
            font-size: 1rem;
        }
        
        .address-link {
            color: #4dabf7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .address-link:hover {
            color: #ff4b2b;
            text-decoration: underline;
        }
        
        .warning-text {
            color: #ff6b6b;
            font-weight: 500;
            margin-top: 15px;
            padding: 10px 15px;
            background: rgba(255, 107, 107, 0.1);
            border-radius: 8px;
            border-left: 3px solid #ff6b6b;
        }
        
        .confirm-btn {
            display: block;
            width: 100%;
            padding: 15px;
            background: linear-gradient(to right, #ff416c, #ff4b2b);
            border: none;
            border-radius: 50px;
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 5px 15px rgba(255, 75, 43, 0.4);
            position: relative;
            overflow: hidden;
        }
        
        .confirm-btn:after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 0;
            border-radius: 100%;
            transform: scale(1, 1) translate(-50%);
            transform-origin: 50% 50%;
        }
        
        .confirm-btn:focus:after {
            animation: ripple 1s ease-out;
        }
        
        .confirm-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 75, 43, 0.6);
        }
        
        /* 点击特效 */
        .click-effect {
            position: fixed;
            pointer-events: none;
            z-index: 1000;
            animation: floatUp 1s forwards;
        }
        
        @keyframes floatUp {
            0% {
                transform: translateY(0) scale(1);
                opacity: 1;
            }
            100% {
                transform: translateY(-100px) scale(0.5);
                opacity: 0;
            }
        }
        
        @media (max-width: 768px) {
            .logo-text {
                font-size: 2.5rem;
            }
            
            .logo-img {
                width: 60px;
                height: 60px;
            }
            
            .sites-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
            
            .announcement-content {
                padding: 20px;
            }
            
            .announcement-title {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 480px) {
            .logo-text {
                font-size: 2rem;
            }
            
            .logo-img {
                width: 50px;
                height: 50px;
            }
            
            .sites-grid {
                grid-template-columns: 1fr;
            }
            
            .category-btn {
                padding: 8px 16px;
                font-size: 0.9rem;
            }
        }