/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #1e1e2e 0%, #2d2d44 100%);
    color: #e0e0e0;
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar-custom {
    background: rgba(26, 26, 38, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid #5a4fcf;
}

.navbar-custom .navbar-brand {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(90, 79, 207, 0.8);
}

.navbar-custom .nav-link {
    color: #e0e0e0;
    margin: 0 10px;
    transition: all 0.3s ease;
}

.navbar-custom .nav-link:hover {
    color: #9d8fff;
    text-shadow: 0 0 8px rgba(157, 143, 255, 0.6);
}

/* 主要内容区域 */
.main-content {
    padding: 40px 0;
}

/* 卡片样式 */
.card-custom {
    background: rgba(40, 40, 60, 0.8);
    border: 1px solid rgba(90, 79, 207, 0.3);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(90, 79, 207, 0.4);
}

.card-custom .card-header {
    background: linear-gradient(135deg, #5a4fcf 0%, #7b6ff0 100%);
    border-bottom: 1px solid rgba(157, 143, 255, 0.3);
    border-radius: 15px 15px 0 0;
    padding: 15px 20px;
    font-weight: bold;
    color: #fff;
}

.card-custom .card-body {
    padding: 25px;
    color: #e0e0e0;
}

/* 按钮样式 */
.btn-primary-custom {
    background: linear-gradient(135deg, #5a4fcf 0%, #7b6ff0 100%);
    border: none;
    border-radius: 25px;
    padding: 10px 30px;
    color: #fff;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(90, 79, 207, 0.4);
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(90, 79, 207, 0.6);
    background: linear-gradient(135deg, #6a5fdf 0%, #8b7fff 100%);
}

.btn-secondary-custom {
    background: rgba(80, 80, 100, 0.8);
    border: 1px solid rgba(157, 143, 255, 0.3);
    border-radius: 25px;
    padding: 10px 30px;
    color: #e0e0e0;
    transition: all 0.3s ease;
}

.btn-secondary-custom:hover {
    background: rgba(90, 90, 110, 0.9);
    border-color: rgba(157, 143, 255, 0.5);
}

/* 表单样式 */
.form-control-custom {
    background: rgba(50, 50, 70, 0.8);
    border: 1px solid rgba(90, 79, 207, 0.3);
    border-radius: 10px;
    color: #e0e0e0;
    padding: 12px 15px;
}

.form-control-custom:focus {
    background: rgba(60, 60, 80, 0.9);
    border-color: #7b6ff0;
    box-shadow: 0 0 0 0.2rem rgba(123, 111, 240, 0.25);
    color: #fff;
}

.form-control-custom::placeholder {
    color: #888;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(90, 79, 207, 0.2) 0%, rgba(123, 111, 240, 0.1) 100%);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    margin-bottom: 40px;
    border: 1px solid rgba(90, 79, 207, 0.3);
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 20px rgba(157, 143, 255, 0.8);
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 1.2rem;
    color: #b0b0c0;
    margin-bottom: 30px;
}

/* 下载按钮 */
.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.download-btn {
    background: rgba(60, 60, 80, 0.8);
    border: 2px solid rgba(90, 79, 207, 0.5);
    border-radius: 15px;
    padding: 20px 40px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.download-btn:hover {
    background: rgba(90, 79, 207, 0.6);
    border-color: #9d8fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(90, 79, 207, 0.4);
    color: #fff;
    text-decoration: none;
}

.download-btn i {
    margin-right: 10px;
    font-size: 1.5rem;
}

/* 徽章样式 */
.badge-custom {
    background: linear-gradient(135deg, #5a4fcf 0%, #7b6ff0 100%);
    color: #fff;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
}

.badge-submitted {
    background: linear-gradient(135deg, #ffa726 0%, #ff9800 100%);
}

.badge-resolved {
    background: linear-gradient(135deg, #66bb6a 0%, #4caf50 100%);
}

.badge-closed {
    background: linear-gradient(135deg, #78909c 0%, #607d8b 100%);
}

/* 更新日志样式 */
.update-log-item {
    border-left: 3px solid #5a4fcf;
    padding-left: 20px;
    margin-bottom: 30px;
}

.update-log-item h4 {
    color: #9d8fff;
    margin-bottom: 10px;
}

.update-log-item .update-time {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.update-log-item ul {
    list-style: none;
    padding-left: 0;
}

.update-log-item ul li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(90, 79, 207, 0.2);
}

.update-log-item ul li:before {
    content: "▸ ";
    color: #7b6ff0;
    font-weight: bold;
    margin-right: 8px;
}

/* 图片预览 */
.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.image-preview-item {
    position: relative;
    width: 150px;
    height: 150px;
    border: 2px solid rgba(90, 79, 207, 0.3);
    border-radius: 10px;
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(244, 67, 54, 0.8);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .download-btn {
        width: 100%;
    }
}

/* 表格样式 */
.table-custom {
    background: rgba(40, 40, 60, 0.6);
    color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.table-custom thead {
    background: rgba(90, 79, 207, 0.3);
}

.table-custom tbody tr {
    border-bottom: 1px solid rgba(90, 79, 207, 0.2);
}

.table-custom tbody tr:hover {
    background: rgba(90, 79, 207, 0.1);
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* 页脚样式 */
.footer {
    background: rgba(26, 26, 38, 0.95);
    border-top: 2px solid #5a4fcf;
    padding: 30px 0;
    margin-top: 60px;
    color: #888;
    text-align: center;
}

.footer a {
    color: #9d8fff;
    text-decoration: none;
}

.footer a:hover {
    color: #b0a0ff;
    text-decoration: underline;
}