/* 现代简约科技风格CSS */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4cc9f0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #4ade80;
    --warning-color: #facc15;
    --danger-color: #f87171;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: var(--dark-color);
    line-height: 1.6;
}

/* 头部导航 */
.modern-header {
    background: linear-gradient(135deg, #1a2a6c, #2a5298);
    color: white;
    padding: 0 20px;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition);
    width: 200px; /* 加宽logo区域 */
}

.logo:hover {
    transform: scale(1.05);
}

.logo a,
.logo-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.logo a:hover,
.logo-link:hover {
    color: #4cc9f0;
    text-shadow: 0 0 8px rgba(76, 201, 240, 0.5);
}

.logo-icon {
    margin-right: 10px;
    font-size: 20px;
}

.logo-img {
    height: 40px;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    margin: 0 8px; /* 减少菜单项之间的间距 */
    position: relative;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    background: transparent; /* 确保默认背景透明 */
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: white;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    z-index: -1;
    border-radius: var(--border-radius); /* 确保hover效果也是圆角 */
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius); /* 确保激活状态也是圆角 */
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-link:hover::before {
    width: 80%;
}

.nav-link.active::before {
    width: 80%;
    background: #4cc9f0;
}

.user-actions {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* 卡片组件 */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 20px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #4361ee, #3a0ca3);
    color: white;
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.stat-title {
    font-size: 16px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
}

/* 标签 */
.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 50px;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 图片网格 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.image-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    background: white;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.image-thumb {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.image-title {
    padding: 5px 10px;
    text-align: center;
    font-size: 14px;
    color: var(--dark-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 底部 */
.modern-footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

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

/* 按钮组 */
.btn-group {
    display: flex;
    gap: 10px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--dark-color);
}

/* 图片详情页 */
.image-detail-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.image-display {
    text-align: center;
}

.detail-image {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--gray-200);
}

.info-table td:first-child {
    font-weight: 600;
    width: 30%;
    color: var(--gray-700);
}

/* 信息展示样式 */
.informatioin {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, #4361ee, #3a0ca3, #4cc9f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    background-size: 300% 300%;
    animation: gradientShift 3s ease infinite;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    line-height: 50px;
    margin-bottom: 10px;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }

    .nav-menu {
        margin: 15px 0;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-item {
        margin: 5px 10px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .image-detail-container {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .btn-group {
        width: 100%;
        flex-direction: column;
    }
}

#othersize {
    border-top: 2px dotted #E0E0E0;
    padding: 20px 0px;
    margin-top: 20px;
}

#othersize .oneimg {
    margin-bottom: 30px;
}

/* 用户信息样式 */
.user-info {
    display: flex;
    align-items: center;
    height: 100%;
}

.user-link {
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.1);
}

.user-link:hover {
    background: linear-gradient(45deg, #9c27b0, #673ab7, #3f51b5);
    background-size: 200% 200%;
    animation: gradientShift 2s ease infinite;
    transform: translateY(-2px);
    color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.username {
    margin-left: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.username:hover {
    text-shadow: 0 0 8px rgba(156, 39, 176, 0.8);
    transform: scale(1.05);
}

/* 用户中心样式 */
.user-info-section {
    padding: 20px;
}

.user-avatar {
    text-align: center;
    padding: 20px 0;
}

.user-details h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.user-details p {
    margin-bottom: 10px;
    color: var(--gray-700);
}

.user-details i {
    margin-right: 8px;
    color: var(--primary-color);
}