/* 零碎图床 - 全局样式 */

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

:root {
    --primary-blue: #2196F3;
    --dark-blue: #1976D2;
    --light-blue: #E3F2FD;
    --ultra-light-blue: #F0F7FF;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #E0E0E0;
    --dark-gray: #9E9E9E;
    --text-black: #212121;
    --text-gray: #424242;
    --shadow-sm: 0 2px 8px rgba(33, 150, 243, 0.08);
    --shadow-md: 0 4px 16px rgba(33, 150, 243, 0.12);
    --shadow-lg: 0 8px 32px rgba(33, 150, 243, 0.16);
    --shadow-xl: 0 12px 48px rgba(33, 150, 243, 0.2);
    --glow-blue: 0 0 20px rgba(33, 150, 243, 0.3);
    --glow-blue-strong: 0 0 30px rgba(33, 150, 243, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: 
        radial-gradient(circle at 20% 50%, rgba(33, 150, 243, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(33, 150, 243, 0.03) 0%, transparent 50%),
        linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 50%, #F5F5F5 100%);
    background-attachment: fixed;
    color: var(--text-black);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(33, 150, 243, 0.01) 2px,
            rgba(33, 150, 243, 0.01) 4px
        );
    animation: backgroundMove 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes backgroundMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--medium-gray);
    padding: 18px 0;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-blue) 50%, 
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar:hover::after {
    opacity: 0.5;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 26px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
}

.navbar-brand::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--dark-blue));
    transition: width 0.3s ease;
}

.navbar-brand:hover::after {
    width: 100%;
}

.navbar-brand:hover {
    filter: drop-shadow(var(--glow-blue));
}

.navbar-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

.navbar-menu a {
    color: var(--text-gray);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.navbar-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.1), transparent);
    transition: left 0.5s ease;
}

.navbar-menu a:hover::before {
    left: 100%;
}

.navbar-menu a:hover {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    transform: translateY(-1px);
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
    position: relative;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4), var(--glow-blue);
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
}

.btn-secondary {
    background-color: var(--light-gray);
    color: var(--text-black);
    border: 1px solid var(--medium-gray);
}

.btn-secondary:hover {
    background-color: var(--medium-gray);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

.btn-danger:hover {
    box-shadow: 0 6px 20px rgba(244, 67, 54, 0.4);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* 表单 */
.form-container {
    max-width: 480px;
    margin: 80px auto;
    padding: 50px 45px;
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    border: 1px solid var(--medium-gray);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    position: relative;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 2px 10px rgba(33, 150, 243, 0.3);
}

.form-container::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.03) 0%, transparent 70%);
    animation: formGlow 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes formGlow {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    50% { transform: translate(-10%, -10%) scale(1.1); opacity: 0.8; }
}

.form-title {
    text-align: center;
    margin-bottom: 35px;
    color: var(--text-black);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 600;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    background-color: var(--white);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
    transform: translateY(-1px);
}

.form-text {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--dark-gray);
}

.form-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-gray);
}

.form-link a {
    color: var(--primary-blue);
    text-decoration: none;
}

.form-link a:hover {
    text-decoration: underline;
}

/* 提示消息 */
.alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 24px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #4caf50;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border-left: 4px solid #f44336;
}

.alert-info {
    background-color: var(--light-blue);
    color: var(--dark-blue);
    border-left: 4px solid var(--primary-blue);
}

/* 上传区域 */
.upload-area {
    border: 3px dashed var(--medium-gray);
    border-radius: 16px;
    padding: 80px 40px;
    text-align: center;
    background: 
        linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(33, 150, 243, 0.01) 10px,
            rgba(33, 150, 243, 0.01) 20px
        );
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.15), transparent);
    transition: left 0.6s ease;
}

.upload-area::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.upload-area:hover::before {
    left: 100%;
}

.upload-area:hover::after {
    width: 500px;
    height: 500px;
}

.upload-area:hover {
    border-color: var(--primary-blue);
    background: 
        linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(33, 150, 243, 0.03) 10px,
            rgba(33, 150, 243, 0.03) 20px
        );
    box-shadow: var(--shadow-md), inset 0 0 30px rgba(33, 150, 243, 0.05);
    transform: translateY(-4px);
}

.upload-area.dragover {
    border-color: var(--primary-blue);
    border-style: solid;
    background: 
        linear-gradient(135deg, var(--light-blue) 0%, var(--ultra-light-blue) 100%);
    box-shadow: var(--shadow-lg), var(--glow-blue), inset 0 0 50px rgba(33, 150, 243, 0.1);
    transform: scale(1.02);
    animation: dragoverPulse 1s ease-in-out infinite;
}

@keyframes dragoverPulse {
    0%, 100% { box-shadow: var(--shadow-lg), 0 0 20px rgba(33, 150, 243, 0.3), inset 0 0 50px rgba(33, 150, 243, 0.1); }
    50% { box-shadow: var(--shadow-xl), 0 0 40px rgba(33, 150, 243, 0.5), inset 0 0 60px rgba(33, 150, 243, 0.15); }
}

.upload-icon {
    font-size: 64px;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.upload-text {
    color: var(--text-gray);
    font-size: 18px;
    font-weight: 500;
}

.upload-text p:first-child {
    color: var(--text-black);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

/* 图片网格 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.image-card {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.image-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.image-card:hover {
    box-shadow: var(--shadow-md), 0 0 0 1px var(--primary-blue);
    transform: translateY(-6px) scale(1.02);
}

.image-card:hover::before {
    opacity: 1;
}

.image-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-card:hover img {
    transform: scale(1.05);
}

.image-card-body {
    padding: 18px;
}

.image-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-card-info {
    font-size: 13px;
    color: var(--dark-gray);
    margin-bottom: 16px;
}

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

.image-card-actions .btn {
    flex: 1;
    padding: 8px 16px;
    font-size: 13px;
}

/* 表格 */
.table-container {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 30px;
    box-shadow: var(--shadow-sm);
}

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

thead {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

th, td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--medium-gray);
}

th {
    font-weight: 700;
    color: var(--text-black);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    color: var(--text-gray);
    font-size: 14px;
}

tbody tr {
    transition: all 0.2s ease;
}

tbody tr:hover {
    background-color: var(--light-blue);
    transform: scale(1.01);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.pagination a {
    padding: 10px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 600;
    min-width: 44px;
    text-align: center;
}

.pagination a:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagination a.active {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.stat-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border: 1px solid var(--medium-gray);
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    transition: all 0.4s ease;
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md), var(--glow-blue);
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(33, 150, 243, 0.3);
}

.stat-card:hover::before {
    width: 6px;
    box-shadow: 0 0 20px rgba(33, 150, 243, 0.8);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-value {
    font-size: 42px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 15px;
    color: var(--text-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 页面标题 */
h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }
    
    .navbar-brand {
        font-size: 22px;
    }
    
    .navbar-menu {
        gap: 4px;
    }
    
    .navbar-menu a {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
    
    .form-container {
        margin: 40px 20px;
        padding: 35px 25px;
    }
    
    .form-title {
        font-size: 26px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-area {
        padding: 60px 20px;
    }
    
    h2 {
        font-size: 26px;
    }
}

/* 上传结果卡片 */
.upload-result-card {
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    transition: all 0.3s ease;
}

.upload-result-card:hover {
    box-shadow: var(--shadow-md);
}

.upload-result-preview img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--medium-gray);
}

.upload-result-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.link-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.link-input-wrapper {
    display: flex;
    gap: 8px;
}

.link-input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
    background-color: var(--light-gray);
    color: var(--text-black);
    transition: all 0.3s ease;
}

.link-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: var(--white);
}

.copy-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.copy-btn:hover {
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .upload-result-card {
        grid-template-columns: 1fr;
    }
    
    .upload-result-preview img {
        max-width: 200px;
        margin: 0 auto;
        display: block;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--light-gray);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--dark-gray);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 18px;
    margin-bottom: 24px;
}

/* 个人主页 */
.profile-header {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 40px;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border-radius: 16px;
    border: 1px solid var(--medium-gray);
    box-shadow: var(--shadow-md);
    margin-bottom: 48px;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    box-shadow: 0 8px 24px rgba(33, 150, 243, 0.3);
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.profile-id {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.profile-stats {
    display: flex;
    gap: 32px;
}

.profile-stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.profile-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
}

.profile-stat-label {
    font-size: 13px;
    color: var(--dark-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }
    
    .profile-avatar {
        width: 100px;
        height: 100px;
        font-size: 40px;
    }
    
    .profile-name {
        font-size: 28px;
    }
    
    .profile-stats {
        justify-content: center;
    }
}

/* 页面头部 */
.page-header {
    margin-bottom: 40px;
}

.page-header h2 {
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 16px;
    color: var(--dark-gray);
    font-weight: 500;
}

.section-header {
    margin-top: 50px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--medium-gray);
}

.section-header h3 {
    margin: 0;
}

/* 表单链接美化 */
.form-link {
    font-size: 14px;
}

.form-link a {
    font-weight: 600;
    transition: all 0.3s ease;
}

.form-link a:hover {
    color: var(--dark-blue);
}

/* 表单文本提示 */
.form-text {
    font-size: 13px;
}

/* 表格内按钮优化 */
table .btn {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 6px;
}

/* 表格图片优化 */
table img {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

table img:hover {
    transform: scale(1.1);
}

/* 进度提示优化 */
#uploadProgress .alert {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

/* 卡片悬停效果增强 */
.stat-card:hover::before {
    width: 6px;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-gray);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

/* 选中文本颜色 */
::selection {
    background: var(--primary-blue);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary-blue);
    color: var(--white);
}

/* 输入框焦点动画 */
.form-input:focus,
.link-input:focus {
    animation: inputFocus 0.3s ease;
}

@keyframes inputFocus {
    0% {
        box-shadow: 0 0 0 0 rgba(33, 150, 243, 0.4);
    }
    100% {
        box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
    }
}

/* 页面淡入动画 */
.container {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 图片卡片加载动画 */
.image-card {
    animation: cardSlideIn 0.4s ease;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 为不同的卡片添加延迟 */
.image-card:nth-child(1) { animation-delay: 0.05s; }
.image-card:nth-child(2) { animation-delay: 0.1s; }
.image-card:nth-child(3) { animation-delay: 0.15s; }
.image-card:nth-child(4) { animation-delay: 0.2s; }
.image-card:nth-child(5) { animation-delay: 0.25s; }
.image-card:nth-child(6) { animation-delay: 0.3s; }

/* 高级视觉效果 */

/* 玻璃态效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 霓虹发光效果 */
.neon-glow {
    text-shadow: 
        0 0 5px rgba(33, 150, 243, 0.5),
        0 0 10px rgba(33, 150, 243, 0.4),
        0 0 20px rgba(33, 150, 243, 0.3),
        0 0 40px rgba(33, 150, 243, 0.2);
}

/* 渐变边框动画 */
@keyframes borderGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animated-border {
    position: relative;
    background: linear-gradient(
        90deg,
        var(--primary-blue),
        var(--dark-blue),
        var(--primary-blue)
    );
    background-size: 200% 200%;
    animation: borderGradient 3s ease infinite;
}

/* 3D卡片效果 */
.card-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card-3d:hover {
    transform: rotateY(5deg) rotateX(5deg);
}

/* 粒子背景效果 */
@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-10px); }
    75% { transform: translateY(-30px) translateX(5px); }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, var(--primary-blue), transparent);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 6s ease-in-out infinite;
}

/* 波纹扩散效果 */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(33, 150, 243, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
}

.ripple-effect:active::after {
    animation: ripple 0.6s ease-out;
}

/* 渐变文字动画 */
@keyframes gradientText {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-text-animated {
    background: linear-gradient(
        90deg,
        var(--primary-blue),
        var(--dark-blue),
        var(--primary-blue),
        var(--dark-blue)
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 4s ease infinite;
}

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* 闪烁效果 */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.shimmer-effect {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(33, 150, 243, 0.1) 50%,
        transparent 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* 悬浮卡片增强 */
.hover-lift {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(33, 150, 243, 0.15),
        0 0 0 1px rgba(33, 150, 243, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* 渐变背景动画 */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-bg-animated {
    background: linear-gradient(
        135deg,
        var(--white),
        var(--light-blue),
        var(--white),
        var(--ultra-light-blue)
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* 光晕效果 */
.glow-on-hover {
    position: relative;
    transition: all 0.3s ease;
}

.glow-on-hover::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(
        45deg,
        var(--primary-blue),
        var(--dark-blue),
        var(--primary-blue)
    );
    border-radius: inherit;
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.3s ease;
    z-index: -1;
}

.glow-on-hover:hover::before {
    opacity: 1;
    animation: borderGradient 2s linear infinite;
}

/* 打字机效果 */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-blue);
    white-space: nowrap;
    animation: 
        typing 3.5s steps(40, end),
        blink 0.75s step-end infinite;
}

/* 扫描线效果 */
@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.scanline-effect {
    position: relative;
    overflow: hidden;
}

.scanline-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(33, 150, 243, 0.5),
        transparent
    );
    animation: scanline 2s linear infinite;
}

/* 彩虹边框 */
@keyframes rainbowBorder {
    0% { border-color: var(--primary-blue); }
    25% { border-color: var(--dark-blue); }
    50% { border-color: var(--primary-blue); }
    75% { border-color: var(--dark-blue); }
    100% { border-color: var(--primary-blue); }
}

.rainbow-border {
    border: 2px solid var(--primary-blue);
    animation: rainbowBorder 3s linear infinite;
}

/* 深度阴影层叠 */
.layered-shadow {
    box-shadow: 
        0 1px 3px rgba(33, 150, 243, 0.12),
        0 2px 6px rgba(33, 150, 243, 0.10),
        0 4px 12px rgba(33, 150, 243, 0.08),
        0 8px 24px rgba(33, 150, 243, 0.06),
        0 16px 48px rgba(33, 150, 243, 0.04);
}

/* 磨砂玻璃卡片 */
.frosted-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(33, 150, 243, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* 渐变遮罩 */
.gradient-mask {
    -webkit-mask-image: linear-gradient(
        180deg,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 0.8) 50%,
        rgba(0, 0, 0, 0) 100%
    );
    mask-image: linear-gradient(
        180deg,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 0.8) 50%,
        rgba(0, 0, 0, 0) 100%
    );
}

/* 页面加载动画增强 */
@keyframes pageLoad {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.page-load-animation {
    animation: pageLoad 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 悬停发光文字 */
.text-glow-hover {
    transition: all 0.3s ease;
}

.text-glow-hover:hover {
    text-shadow: 
        0 0 10px rgba(33, 150, 243, 0.8),
        0 0 20px rgba(33, 150, 243, 0.6),
        0 0 30px rgba(33, 150, 243, 0.4);
    color: var(--primary-blue);
}

/* 网格背景 */
.grid-background {
    background-image: 
        linear-gradient(rgba(33, 150, 243, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(33, 150, 243, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* 斜纹背景 */
.diagonal-stripes {
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(33, 150, 243, 0.02) 10px,
        rgba(33, 150, 243, 0.02) 20px
    );
}

/* 圆点背景 */
.dot-pattern {
    background-image: radial-gradient(
        circle,
        rgba(33, 150, 243, 0.1) 1px,
        transparent 1px
    );
    background-size: 20px 20px;
}

/* 高级交互效果 */

/* 按钮点击反馈 */
.btn:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

/* 输入框聚焦增强 */
.form-input:focus {
    animation: inputFocusEnhanced 0.4s ease;
}

@keyframes inputFocusEnhanced {
    0% {
        box-shadow: 0 0 0 0 rgba(33, 150, 243, 0.6);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(33, 150, 243, 0);
        transform: scale(1.01);
    }
    100% {
        box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
        transform: scale(1);
    }
}

/* 卡片翻转效果 */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* 进度条动画 */
@keyframes progressBar {
    0% { width: 0%; }
    100% { width: 100%; }
}

.progress-bar {
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--primary-blue),
        var(--dark-blue)
    );
    border-radius: 2px;
    animation: progressBar 2s ease-in-out;
}

/* 加载骨架屏 */
@keyframes skeleton {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--light-gray) 0%,
        var(--medium-gray) 50%,
        var(--light-gray) 100%
    );
    background-size: 200px 100%;
    animation: skeleton 1.5s ease-in-out infinite;
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

.bounce-animation {
    animation: bounce 2s ease infinite;
}

/* 摇摆动画 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake-animation {
    animation: shake 0.5s ease;
}

/* 旋转加载器 */
@keyframes rotateLoader {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.rotate-loader {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: rotateLoader 1s linear infinite;
}

/* 脉冲圆环 */
@keyframes pulseRing {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.pulse-ring {
    position: relative;
}

.pulse-ring::before,
.pulse-ring::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulseRing 2s ease-out infinite;
}

.pulse-ring::after {
    animation-delay: 1s;
}

/* 渐显动画序列 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in-up-delay-1 { animation-delay: 0.1s; }
.fade-in-up-delay-2 { animation-delay: 0.2s; }
.fade-in-up-delay-3 { animation-delay: 0.3s; }
.fade-in-up-delay-4 { animation-delay: 0.4s; }
.fade-in-up-delay-5 { animation-delay: 0.5s; }

/* 缩放进入 */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.zoom-in {
    animation: zoomIn 0.5s ease forwards;
}

/* 滑动进入 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* 旋转进入 */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

.rotate-in {
    animation: rotateIn 0.6s ease forwards;
}

/* 心跳动画 */
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(0.9); }
    20%, 40% { transform: scale(1.1); }
}

.heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* 呼吸灯效果 */
@keyframes breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.breathe-animation {
    animation: breathe 3s ease-in-out infinite;
}

/* 波浪动画 */
@keyframes wave {
    0% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(-25%) translateY(-10px); }
    100% { transform: translateX(-50%) translateY(0); }
}

.wave-animation {
    animation: wave 3s linear infinite;
}

/* 闪光效果 */
@keyframes flash {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0; }
}

.flash-animation {
    animation: flash 2s ease infinite;
}

/* 橡皮筋效果 */
@keyframes rubberBand {
    0% { transform: scale(1); }
    30% { transform: scaleX(1.25) scaleY(0.75); }
    40% { transform: scaleX(0.75) scaleY(1.25); }
    50% { transform: scaleX(1.15) scaleY(0.85); }
    65% { transform: scaleX(0.95) scaleY(1.05); }
    75% { transform: scaleX(1.05) scaleY(0.95); }
    100% { transform: scale(1); }
}

.rubber-band {
    animation: rubberBand 1s ease;
}

/* 悬停倾斜 */
.hover-tilt {
    transition: transform 0.3s ease;
}

.hover-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
}

/* 悬停放大 */
.hover-zoom {
    transition: transform 0.3s ease;
    overflow: hidden;
}

.hover-zoom:hover {
    transform: scale(1.05);
}

/* 悬停模糊背景 */
.hover-blur-bg {
    position: relative;
    overflow: hidden;
}

.hover-blur-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hover-blur-bg:hover::before {
    opacity: 1;
}

/* 文字打散效果 */
@keyframes textScatter {
    0% {
        opacity: 0;
        transform: translateX(-20px) rotate(-10deg);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotate(0);
    }
}

.text-scatter span {
    display: inline-block;
    animation: textScatter 0.5s ease forwards;
}

.text-scatter span:nth-child(1) { animation-delay: 0.05s; }
.text-scatter span:nth-child(2) { animation-delay: 0.1s; }
.text-scatter span:nth-child(3) { animation-delay: 0.15s; }
.text-scatter span:nth-child(4) { animation-delay: 0.2s; }
.text-scatter span:nth-child(5) { animation-delay: 0.25s; }

/* 悬停下划线动画 */
.hover-underline {
    position: relative;
    display: inline-block;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--dark-blue));
    transition: width 0.3s ease;
}

.hover-underline:hover::after {
    width: 100%;
}

/* 悬停边框扫描 */
@keyframes borderScan {
    0% { clip-path: polygon(0 0, 0 0, 0 100%, 0 100%); }
    25% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); }
    50% { clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%); }
    75% { clip-path: polygon(100% 100%, 0 100%, 0 100%, 100% 100%); }
    100% { clip-path: polygon(0 100%, 0 0, 0 0, 0 100%); }
}

.border-scan {
    position: relative;
}

.border-scan::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--primary-blue);
    animation: borderScan 2s linear infinite;
}

/* 悬停阴影扩散 */
.hover-shadow-spread {
    transition: all 0.3s ease;
}

.hover-shadow-spread:hover {
    box-shadow: 
        0 0 20px rgba(33, 150, 243, 0.3),
        0 0 40px rgba(33, 150, 243, 0.2),
        0 0 60px rgba(33, 150, 243, 0.1);
}