* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
        }
        
        body {
            background-color: #000000;
            color: #fff;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .container {
            width: 100%;
            max-width: 600px;
            background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(212, 175, 55, 0.1);
            overflow: hidden;
            position: relative;
            border: 1px solid rgba(212, 175, 55, 0.3);
        }
        
        .header {
            background-color: #111111;
            padding: 25px 40px;
            text-align: center;
            border-bottom: 2px solid #d4af37;
        }
        
        .title {
            font-size: 32px;
            font-weight: 700;
            color: #d4af37;
            text-shadow: 0 2px 4px rgba(212, 175, 55, 0.3);
            letter-spacing: 1.5px;
        }
        
        .subtitle {
            font-size: 18px;
            color: #b8a05c;
            margin-top: 8px;
            letter-spacing: 1px;
        }
        
        .content {
            padding: 40px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .card {
            background-color: rgba(212, 175, 55, 0.05);
            border-radius: 15px;
            padding: 25px;
            border: 1px solid rgba(212, 175, 55, 0.2);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(212, 175, 55, 0.15);
            background-color: rgba(212, 175, 55, 0.08);
            border-color: rgba(212, 175, 55, 0.4);
        }
        
        .card-title {
            font-size: 22px;
            font-weight: 700;
            color: #d4af37;
            margin-bottom: 15px;
            border-bottom: 2px solid rgba(212, 175, 55, 0.5);
            padding-bottom: 10px;
        }
        
        .card-content {
            font-size: 18px;
            line-height: 1.6;
            color: #e6d9b8;
            flex-grow: 1;
        }
        
        .featured-card {
            grid-column: span 2;
            background: linear-gradient(135deg, rgba(17, 17, 17, 0.9), rgba(212, 175, 55, 0.15));
            border: 1px solid #d4af37;
        }
        
        .featured-card .card-title {
            color: #ffd700;
            border-bottom-color: #d4af37;
        }
        
        .input-section {
            background-color: rgba(17, 17, 17, 0.8);
            padding: 35px 40px;
            text-align: center;
            border-top: 2px solid #d4af37;
            margin-top: 10px;
        }
        
        .input-title {
            font-size: 26px;
            font-weight: 700;
            color: #d4af37;
            margin-bottom: 20px;
        }
        
        .input-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .stock-input {
            flex-grow: 1;
            min-width: 200px;
            padding: 16px 20px;
            font-size: 18px;
            background-color: rgba(255, 255, 255, 0.05);
            border: 2px solid rgba(212, 175, 55, 0.5);
            border-radius: 10px;
            color: #fff;
            transition: all 0.3s;
        }
        
        .stock-input:focus {
            outline: none;
            border-color: #d4af37;
            background-color: rgba(212, 175, 55, 0.05);
            box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
        }
        
        .submit-btn1 {
            background: linear-gradient(to right, #1a1a1a, #d4af37);
            color: #000;
            border: none;
            padding: 16px 35px;
            font-size: 18px;
            font-weight: 700;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            letter-spacing: 1px;
            box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .submit-btn1:hover {
            background: linear-gradient(to right, #d4af37, #1a1a1a);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.5);
            color: #000;
        }
        
        .ws-icon {
            font-weight: bold;
            font-size: 20px;
            color: #000;
        }
        
        .highlight-text {
            color: #d4af37;
            font-weight: 700;
        }
        
        .footer {
            text-align: center;
            padding: 5px;
            font-size: 16px;
            color: #b8a05c;
            border-top: 1px solid rgba(212, 175, 55, 0.3);
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            
            margin-top: 15px;
            margin-bottom: 15px;
        }
        
        .footer-link {
            color: #d4af37;
            text-decoration: none;
            font-size: 15px;
            padding: 8px 15px;
            border-radius: 5px;
            transition: all 0.3s;
            position: relative;
        }
        
        .footer-link:hover {
            background-color: rgba(212, 175, 55, 0.1);
            transform: translateY(-2px);
            text-decoration: underline;
        }
        
        .footer-link.warning {
            color: #ff6b6b;
            font-weight: 700;
        }
        
        .footer-link.warning:hover {
            background-color: rgba(255, 107, 107, 0.1);
        }
        
        .copyright {
            margin-top: 20px;
            font-size: 14px;
            color: #8a7c5a;
        }
        
        .accent-line {
            height: 4px;
            background: linear-gradient(to right, #000, #d4af37, #000);
            margin: 0 40px;
        }
        
        /* 模态框样式 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.85);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .modal-content {
            background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
            border-radius: 15px;
            padding: 30px;
            max-width: 700px;
            width: 100%;
            max-height: 80vh;
            overflow-y: auto;
            border: 2px solid #d4af37;
            box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
            position: relative;
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(212, 175, 55, 0.3);
            padding-bottom: 15px;
        }
        
        .modal-title {
            font-size: 24px;
            color: #d4af37;
            font-weight: 700;
        }
        
        .close-btn {
            background: none;
            border: none;
            color: #d4af37;
            font-size: 28px;
            cursor: pointer;
            transition: all 0.3s;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        
        .close-btn:hover {
            background-color: rgba(212, 175, 55, 0.1);
            transform: rotate(90deg);
        }
        
        .modal-body {
            font-size: 16px;
            line-height: 1.7;
            color: #e6d9b8;
        }
        
        .modal-body h3 {
            color: #d4af37;
            margin: 20px 0 10px 0;
            font-size: 18px;
        }
        
        .modal-body p {
            margin-bottom: 15px;
        }
        
        .modal-body ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
        
        .modal-body li {
            margin-bottom: 8px;
        }
        
        .warning-text {
            color: #ff6b6b;
            font-weight: 700;
            background-color: rgba(255, 107, 107, 0.05);
            padding: 10px;
            border-radius: 5px;
            border-left: 3px solid #ff6b6b;
            margin: 15px 0;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .content {
                grid-template-columns: 1fr;
                padding: 25px;
            }
            
            .featured-card {
                grid-column: span 1;
            }
            
            .header {
                padding: 20px;
            }
            
            .title {
                font-size: 28px;
            }
            
            .input-section {
                padding: 25px;
            }
            
            .modal-content {
                padding: 20px;
            }
            
            .footer-links {
                gap: 10px;
            }
            
            .footer-link {
                padding: 6px 12px;
                font-size: 14px;
            }
        }
        
        @media (max-width: 480px) {
            .title {
                font-size: 24px;
            }
            
            .card-title {
                font-size: 20px;
            }
            
            .card-content, .stock-input, .submit-btn1 {
                font-size: 16px;
            }
            
            .input-group {
                flex-direction: column;
            }
            
            .stock-input, .submit-btn1 {
                width: 100%;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 10px;
            }
            
            .modal-title {
                font-size: 20px;
            }
            
            .modal-body {
                font-size: 14px;
            }
        }