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

:root {
    /* 深夜主题 (0-6点) */
    --night-bg: #121212;
    --night-text: #e0e0e0;
    --night-header: rgba(30, 30, 30, 0.8);
    --night-card: #1e1e1e;
    --night-icon: linear-gradient(90deg, #6366f1, #8b5cf6);
    --night-btn: #6366f1;
    --night-btn-hover: #4f46e5;
    --night-border: #333;
    --night-type-bg: rgba(99, 102, 241, 0.1);
    --night-type-text: #818cf8;
    --night-bg-gradient: linear-gradient(135deg, #121212 0%, #1e1b4b 50%, #121212 100%);
    --night-bg-pattern: radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    --night-bg-opacity: 0.6;
    
    /* 上午主题 (6-12点) */
    --morning-bg: #f0f9ff;
    --morning-text: #1e293b;
    --morning-header: rgba(255, 255, 255, 0.9);
    --morning-card: #ffffff;
    --morning-icon: linear-gradient(90deg, #06b6d4, #3b82f6);
    --morning-btn: #06b6d4;
    --morning-btn-hover: #0891b2;
    --morning-border: #e2e8f0;
    --morning-type-bg: rgba(6, 182, 212, 0.1);
    --morning-type-text: #0891b2;
    --morning-bg-gradient: linear-gradient(135deg, #f0f9ff 0%, #dbeafe 50%, #f0f9ff 100%);
    --morning-bg-pattern: radial-gradient(circle at 25% 25%, rgba(6, 182, 212, 0.05) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    --morning-bg-opacity: 0.5;
    
    /* 下午主题 (12-18点) */
    --afternoon-bg: #ffffff;
    --afternoon-text: #0f172a;
    --afternoon-header: rgba(255, 255, 255, 0.9);
    --afternoon-card: #ffffff;
    --afternoon-icon: linear-gradient(90deg, #0042ED, #00A3FF);
    --afternoon-btn: #0099FF;
    --afternoon-btn-hover: #2d77e5;
    --afternoon-border: #e0e0e0;
    --afternoon-type-bg: #e3f2fd;
    --afternoon-type-text: #0099FF;
    --afternoon-bg-gradient: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    --afternoon-bg-pattern: radial-gradient(circle at 25% 25%, rgba(0, 153, 255, 0.05) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(0, 66, 237, 0.05) 0%, transparent 50%);
    --afternoon-bg-opacity: 0.4;
    
    /* 傍晚主题 (18-24点) */
    --evening-bg: #fefce8;
    --evening-text: #78350f;
    --evening-header: rgba(255, 251, 200, 0.9);
    --evening-card: #ffffff;
    --evening-icon: linear-gradient(90deg, #f59e0b, #d97706);
    --evening-btn: #f59e0b;
    --evening-btn-hover: #d97706;
    --evening-border: #fef3c7;
    --evening-type-bg: rgba(245, 158, 11, 0.1);
    --evening-type-text: #d97706;
    --evening-bg-gradient: linear-gradient(135deg, #fefce8 0%, #fef9c3 50%, #fefce8 100%);
    --evening-bg-pattern: radial-gradient(circle at 25% 25%, rgba(245, 158, 11, 0.05) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(217, 119, 6, 0.05) 0%, transparent 50%);
    --evening-bg-opacity: 0.5;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    transition: all 0.3s ease;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-gradient);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-pattern);
    z-index: -1;
    opacity: var(--bg-opacity);
}

/* 主题样式 */
body.night {
    --bg: var(--night-bg);
    --text: var(--night-text);
    --header: var(--night-header);
    --card: var(--night-card);
    --icon: var(--night-icon);
    --btn: var(--night-btn);
    --btn-hover: var(--night-btn-hover);
    --border: var(--night-border);
    --type-bg: var(--night-type-bg);
    --type-text: var(--night-type-text);
    --bg-gradient: var(--night-bg-gradient);
    --bg-pattern: var(--night-bg-pattern);
    --bg-opacity: var(--night-bg-opacity);
}

body.morning {
    --bg: var(--morning-bg);
    --text: var(--morning-text);
    --header: var(--morning-header);
    --card: var(--morning-card);
    --icon: var(--morning-icon);
    --btn: var(--morning-btn);
    --btn-hover: var(--morning-btn-hover);
    --border: var(--morning-border);
    --type-bg: var(--morning-type-bg);
    --type-text: var(--morning-type-text);
    --bg-gradient: var(--morning-bg-gradient);
    --bg-pattern: var(--morning-bg-pattern);
    --bg-opacity: var(--morning-bg-opacity);
}

body.afternoon {
    --bg: var(--afternoon-bg);
    --text: var(--afternoon-text);
    --header: var(--afternoon-header);
    --card: var(--afternoon-card);
    --icon: var(--afternoon-icon);
    --btn: var(--afternoon-btn);
    --btn-hover: var(--afternoon-btn-hover);
    --border: var(--afternoon-border);
    --type-bg: var(--afternoon-type-bg);
    --type-text: var(--afternoon-type-text);
    --bg-gradient: var(--afternoon-bg-gradient);
    --bg-pattern: var(--afternoon-bg-pattern);
    --bg-opacity: var(--afternoon-bg-opacity);
}

body.evening {
    --bg: var(--evening-bg);
    --text: var(--evening-text);
    --header: var(--evening-header);
    --card: var(--evening-card);
    --icon: var(--evening-icon);
    --btn: var(--evening-btn);
    --btn-hover: var(--evening-btn-hover);
    --border: var(--evening-border);
    --type-bg: var(--evening-type-bg);
    --type-text: var(--evening-type-text);
    --bg-gradient: var(--evening-bg-gradient);
    --bg-pattern: var(--evening-bg-pattern);
    --bg-opacity: var(--evening-bg-opacity);
}

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

header {
    background: var(--header);
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    border-radius: 10px;
    border-bottom: 1px solid var(--border);
}

header h1 {
    background: var(--icon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

nav {
    float: right;
    margin-top: 5px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

nav a {
    color: var(--text);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--btn);
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}

.app-card {
    background: var(--card);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-left: 3px solid var(--btn);
}

.app-icon {
    width: 100px;
    height: 100px;
    background: var(--icon);
    border-radius: 20px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: white;
    overflow: hidden;
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.app-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    text-align: center;
}

.app-type {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--type-bg);
    color: var(--type-text);
}

.app-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 8px;
}

.app-download {
    background: var(--btn);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.app-download:hover {
    background: var(--btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0, 153, 255, 0.4);
}

.card {
    background: var(--card);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 153, 255, 0.4);
    background: var(--btn-hover);
}

.btn-danger {
    background: #ff4757;
    color: white;
}

.btn-danger:hover {
    background: #ff3742;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 71, 87, 0.4);
}

.btn-success {
    background: #4caf50;
    color: white;
}

.btn-success:hover {
    background: #45a049;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #da190b;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
    background: var(--card);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--btn);
}

.detail-header {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 30px;
}

.detail-icon {
    width: 120px;
    height: 120px;
    background: var(--icon);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: white;
    flex-shrink: 0;
}

.detail-icon img {
    width: 100%;
    height: 100%;
    border-radius: 25px;
    object-fit: cover;
}

.detail-info h1 {
    font-size: 32px;
    color: var(--text);
    margin-bottom: 10px;
}

.detail-meta {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.detail-section {
    margin-bottom: 30px;
}

.detail-section h2 {
    font-size: 24px;
    color: var(--text);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.detail-section p,
.detail-section ol,
.detail-section ul {
    line-height: 1.8;
    color: var(--text);
    opacity: 0.8;
}

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

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.admin-table th {
    background: var(--card);
    font-weight: 600;
}

.status-pending {
    color: #ff9800;
    font-weight: 600;
}

.status-approved {
    color: #4caf50;
    font-weight: 600;
}

.status-rejected {
    color: #f44336;
    font-weight: 600;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.tab {
    padding: 10px 25px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text);
}

.tab.active {
    background: var(--btn);
    color: white;
    border-color: var(--btn);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.filter-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.filter-bar select {
    padding: 10px 20px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--card);
    color: var(--text);
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 上传页面样式 */
.upload-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    background: var(--card);
}

.upload-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.upload-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--text);
}

.upload-header p {
    font-size: 16px;
    color: var(--text);
    opacity: 0.7;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.form-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    display: flex;
    align-items: center;
}

.required {
    color: #ff6b6b;
    margin-left: 5px;
    font-size: 14px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    color: var(--text);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--btn);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text);
    opacity: 0.5;
}

.file-upload {
    position: relative;
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.file-upload:hover {
    border-color: var(--btn);
    background: rgba(76, 175, 80, 0.05);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 1;
}

.file-label {
    display: block;
    font-size: 16px;
    color: var(--text);
    cursor: pointer;
}

.form-hint {
    font-size: 12px;
    color: var(--text);
    opacity: 0.5;
    margin-top: 4px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    font-size: 16px;
    font-weight: 600;
}

.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    font-size: 16px;
    background: var(--card);
    border: 2px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn-icon {
    font-size: 18px;
}

.upload-section {
    animation: fadeIn 0.3s ease-in-out;
}

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

/* 搜索框样式 */
.search-box {
    display: flex;
    align-items: center;
    margin-left: 20px;
    position: relative;
    flex-shrink: 0;
}

.search-box input {
    padding: 10px 15px;
    padding-right: 40px;
    border: 2px solid var(--border);
    border-radius: 25px;
    font-size: 14px;
    background: var(--card);
    color: var(--text);
    transition: all 0.3s ease;
    width: 220px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.search-box input:focus {
    outline: none;
    border-color: var(--btn);
    width: 280px;
    box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.1);
}

.search-box input::placeholder {
    color: var(--text);
    opacity: 0.5;
}

.search-box button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--text);
    opacity: 0.7;
    transition: all 0.3s ease;
    padding: 5px;
    border-radius: 50%;
}

.search-box button:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

/* 清空搜索按钮 */
.search-box .clear-btn {
    right: 35px;
    font-size: 14px;
    display: none;
}

.search-box .clear-btn.show {
    display: block;
}

/* 搜索结果提示 */
.search-result {
    margin: 15px 0;
    padding: 10px 15px;
    border-radius: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 14px;
    text-align: center;
    display: none;
}

/* 进度条样式 */
.progress-container {
    width: 100%;
    height: 10px;
    background: var(--border);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar {
    height: 100%;
    background: var(--btn);
    border-radius: 5px;
    transition: width 0.3s ease;
    box-shadow: 0 0 5px rgba(0, 153, 255, 0.3);
}

.progress-text {
    font-size: 14px;
    color: var(--text);
    text-align: right;
    font-weight: 500;
}

/* 主题切换按钮样式 */
.theme-btn {
    background: var(--btn);
    color: white;
    border: none;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    font-size: 19px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    transform: scale(1.1);
    background: var(--btn-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.theme-btn:active {
    transform: scale(0.95);
}

/* 响应式设计 */

/* 手机屏幕 (小于768px) */
@media (max-width: 768px) {
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .container {
        padding: 10px;
    }
    
    header {
        padding: 10px 20px;
    }
    
    nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    nav a {
        margin-left: 0;
        margin-right: 15px;
    }
    
    .detail-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .detail-icon {
        width: 100px;
        height: 100px;
    }
    
    .detail-info h1 {
        font-size: 24px;
    }
    
    .detail-meta {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .upload-card {
        padding: 25px;
        margin: 0 10px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-upload,
    .btn-secondary {
        width: 100%;
    }
    
    .theme-btn {
        margin-left: 0;
        margin-top: 10px;
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .search-box {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
        order: -1;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .search-box input:focus {
        width: 100%;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1;
        min-width: 100px;
    }
}

/* 平板屏幕 (768px-1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .app-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
    
    .container {
        padding: 15px;
    }
    
    .detail-header {
        gap: 25px;
    }
    
    .detail-info h1 {
        font-size: 28px;
    }
    
    .upload-card {
        max-width: 600px;
    }
}

/* 笔记本电脑屏幕 (1024px-1440px) */
@media (min-width: 1025px) and (max-width: 1440px) {
    .app-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    
    .container {
        max-width: 1200px;
    }
    
    .detail-info h1 {
        font-size: 30px;
    }
}

/* 台式电脑屏幕 (1440px-2560px) */
@media (min-width: 1441px) and (max-width: 2560px) {
    .app-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 25px;
    }
    
    .container {
        max-width: 1400px;
        padding: 30px;
    }
    
    .app-card {
        padding: 20px;
    }
    
    .app-icon {
        width: 120px;
        height: 120px;
    }
    
    .app-name {
        font-size: 18px;
    }
    
    .detail-info h1 {
        font-size: 36px;
    }
    
    .detail-section h2 {
        font-size: 28px;
    }
    
    .btn {
        padding: 14px 35px;
        font-size: 18px;
    }
}

/* 2K屏幕 (2560px-3840px) */
@media (min-width: 2561px) and (max-width: 3840px) {
    .app-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 30px;
    }
    
    .container {
        max-width: 2000px;
        padding: 40px;
    }
    
    .app-card {
        padding: 24px;
        border-radius: 16px;
    }
    
    .app-icon {
        width: 140px;
        height: 140px;
        border-radius: 24px;
    }
    
    .app-name {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .detail-header {
        gap: 40px;
    }
    
    .detail-icon {
        width: 160px;
        height: 160px;
        border-radius: 30px;
    }
    
    .detail-info h1 {
        font-size: 44px;
    }
    
    .detail-meta {
        gap: 30px;
    }
    
    .detail-meta span {
        font-size: 18px;
    }
    
    .detail-section h2 {
        font-size: 32px;
        margin-bottom: 20px;
    }
    
    .detail-section p,
    .detail-section ol,
    .detail-section ul {
        font-size: 18px;
        line-height: 1.9;
    }
    
    .btn {
        padding: 16px 40px;
        font-size: 20px;
        border-radius: 12px;
    }
    
    .card {
        padding: 40px;
        border-radius: 20px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 16px 20px;
        font-size: 16px;
    }
    
    .form-label {
        font-size: 18px;
    }
}

/* 4K屏幕 (3840px-7680px) */
@media (min-width: 3841px) and (max-width: 7680px) {
    .app-grid {
        grid-template-columns: repeat(8, 1fr);
        gap: 35px;
    }
    
    .container {
        max-width: 3200px;
        padding: 50px;
    }
    
    .app-card {
        padding: 28px;
        border-radius: 20px;
    }
    
    .app-icon {
        width: 160px;
        height: 160px;
        border-radius: 28px;
    }
    
    .app-name {
        font-size: 22px;
        margin-bottom: 16px;
    }
    
    .detail-header {
        gap: 50px;
    }
    
    .detail-icon {
        width: 200px;
        height: 200px;
        border-radius: 36px;
    }
    
    .detail-info h1 {
        font-size: 52px;
    }
    
    .detail-meta {
        gap: 40px;
    }
    
    .detail-meta span {
        font-size: 20px;
    }
    
    .detail-section h2 {
        font-size: 36px;
        margin-bottom: 25px;
    }
    
    .detail-section p,
    .detail-section ol,
    .detail-section ul {
        font-size: 20px;
        line-height: 2.0;
    }
    
    .btn {
        padding: 20px 48px;
        font-size: 24px;
        border-radius: 16px;
    }
    
    .card {
        padding: 50px;
        border-radius: 24px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 20px 24px;
        font-size: 18px;
        border-radius: 12px;
    }
    
    .form-label {
        font-size: 20px;
    }
}

/* 8K屏幕 (7680px以上) */
@media (min-width: 7681px) {
    .app-grid {
        grid-template-columns: repeat(10, 1fr);
        gap: 40px;
    }
    
    .container {
        max-width: 6000px;
        padding: 60px;
    }
    
    .app-card {
        padding: 32px;
        border-radius: 24px;
    }
    
    .app-icon {
        width: 200px;
        height: 200px;
        border-radius: 32px;
    }
    
    .app-name {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .detail-header {
        gap: 60px;
    }
    
    .detail-icon {
        width: 240px;
        height: 240px;
        border-radius: 40px;
    }
    
    .detail-info h1 {
        font-size: 60px;
    }
    
    .detail-meta {
        gap: 50px;
    }
    
    .detail-meta span {
        font-size: 24px;
    }
    
    .detail-section h2 {
        font-size: 40px;
        margin-bottom: 30px;
    }
    
    .detail-section p,
    .detail-section ol,
    .detail-section ul {
        font-size: 24px;
        line-height: 2.1;
    }
    
    .btn {
        padding: 24px 56px;
        font-size: 28px;
        border-radius: 16px;
    }
    
    .card {
        padding: 60px;
        border-radius: 28px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 24px 28px;
        font-size: 20px;
        border-radius: 16px;
    }
    
    .form-label {
        font-size: 24px;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-device-pixel-ratio: 2), (device-pixel-ratio: 2) {
    .app-icon img,
    .detail-icon img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 超高分辨率屏幕优化 */
@media (-webkit-device-pixel-ratio: 3), (device-pixel-ratio: 3) {
    .app-icon img,
    .detail-icon img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}