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

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: #0a0a0a;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    position: relative;
}

/* 订单管理按钮 */
.admin-floating-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1000;
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #000;
    border: none;
    border-radius: 50px;
    padding: 12px 25px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.admin-floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
}

/* 产品卡片 */
.product-section {
    background: linear-gradient(145deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid #333;
}

.product-card {
    text-align: center;
}

.product-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #333 0%, #444 100%);
    border-radius: 15px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid #444;
    position: relative;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 49%, rgba(255, 215, 0, 0.1) 50%, transparent 51%);
    pointer-events: none;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 10px;
}

.product-info h2 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 2em;
    font-weight: 600;
}

.product-description {
    color: #b0b0b0;
    margin-bottom: 25px;
    line-height: 1.6;
    font-size: 1.1em;
}

.price {
    font-size: 2.2em;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.price .currency,
.price .unit {
    font-size: 0.7em;
    color: #888;
}

/* 订单表单 */
.order-section {
    background: linear-gradient(145deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid #333;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #ffffff;
    font-size: 1.1em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #444;
    border-radius: 10px;
    font-size: 16px;
    background: #0a0a0a;
    color: #e0e0e0;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ffd700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
    background: #1a1a1a;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #666;
}

/* 数量控制 */
.quantity-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: center;
}

.quantity-controls button {
    width: 45px;
    height: 45px;
    border: 2px solid #ffd700;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    color: #ffd700;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.quantity-controls button:hover {
    background: linear-gradient(145deg, #ffd700, #ffed4a);
    color: #000;
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
}

.quantity-controls input {
    width: 80px;
    text-align: center;
    margin: 0;
    font-weight: bold;
    font-size: 18px;
}

.total-price {
    font-size: 1.3em;
    font-weight: bold;
    text-align: center;
    padding: 15px;
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    border-radius: 10px;
    border: 2px solid #333;
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 按钮 */
.order-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4a 100%);
    color: #000;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.order-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.order-btn:hover::before {
    left: 100%;
}

.order-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 215, 0, 0.4);
}

.order-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 模态框 */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    border: 1px solid #444;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-header {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4a 100%);
    color: #000;
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.4em;
    font-weight: bold;
}

.close {
    color: #000;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}

.close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 30px;
    background: #1a1a1a;
}

.order-summary {
    margin-bottom: 30px;
}

.order-summary h4 {
    color: #ffffff;
    margin-bottom: 20px;
    font-size: 1.3em;
    font-weight: 600;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #333;
    color: #e0e0e0;
}

.summary-item:last-child {
    border-bottom: none;
    font-weight: bold;
    color: #ffd700;
    font-size: 1.1em;
}

.payment-section {
    text-align: center;
    padding: 25px;
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    border-radius: 12px;
    border: 1px solid #333;
}

.payment-section p {
    color: #b0b0b0;
    margin-bottom: 20px;
    font-size: 1.1em;
}

.pay-btn {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #000;
    border: none;
    padding: 15px 35px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
}

/* 支付状态 */
.payment-status {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0a0a0a;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.status-content {
    text-align: center;
    padding: 50px;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    border-radius: 20px;
    border: 1px solid #444;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.status-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
}

.loading-spinner {
    width: 100px;
    height: 100px;
    border: 6px solid #333;
    border-top: 6px solid #ffd700;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.status-content h3 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 2em;
}

.status-content p {
    color: #b0b0b0;
    margin-bottom: 30px;
    font-size: 1.2em;
}

.order-info {
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid #333;
}

.order-info p {
    margin-bottom: 12px;
    color: #e0e0e0;
    font-size: 1.1em;
}

.status-btn {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #000;
    border: none;
    padding: 15px 35px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
}

/* 成功/失败图标 */
.success-icon {
    color: #00ff88;
    font-size: 100px;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.error-icon {
    color: #ff4757;
    font-size: 100px;
    text-shadow: 0 0 30px rgba(255, 71, 87, 0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-section,
    .order-section {
        padding: 25px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-body {
        padding: 25px;
    }
    
    .status-content {
        padding: 30px;
        margin: 20px;
    }
    
    .admin-floating-btn {
        top: 20px;
        right: 20px;
        padding: 10px 20px;
        font-size: 12px;
    }
}

/* 管理员登录表单样式 */
.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: #ffffff;
    font-weight: 600;
}

.login-form input {
    width: 100%;
    padding: 12px 15px;
    background: #0a0a0a;
    border: 2px solid #444;
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 16px;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: #ffd700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
    background: #1a1a1a;
}

.login-form .form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 25px;
}

.login-form .btn-primary {
    padding: 12px 25px;
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #000;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
}

.login-form .btn-secondary {
    padding: 12px 25px;
    background: linear-gradient(145deg, #333, #444);
    color: #e0e0e0;
    border: 1px solid #555;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .btn-secondary:hover {
    background: linear-gradient(145deg, #444, #555);
    transform: translateY(-2px);
}

.error-message {
    color: #ff4757;
    font-size: 14px;
    margin-top: 10px;
    padding: 8px 12px;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid #ff4757;
    border-radius: 6px;
    text-align: center;
}