/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 白淡奶油色调 */
    --primary-bg: #faf8f3;
    --secondary-bg: #f5f2e8;
    --card-bg: #ffffff;
    --border-color: #e8e4d9;
    --text-primary: #4a4a48;
    --text-secondary: #7a7a75;
    --accent-color: #d4a574;
    --accent-hover: #c19660;
    --shadow-light: rgba(212, 165, 116, 0.1);
    --shadow-medium: rgba(212, 165, 116, 0.2);
    
    /* 圆角和间距 - 优化为更紧凑的尺寸 */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 12px;
    --spacing-xs: 2px;
    --spacing-sm: 6px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* 应用容器 */
.app-container {
    max-width: 100vw;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--primary-bg);
    position: relative;
}

/* 顶部导航 - 优化为更紧凑 */
.app-header {
    background: var(--card-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px var(--shadow-light);
}

.app-header h1 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.download-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
    min-width: 80px;
    width: auto;
}

.download-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(212, 165, 116, 0.4);
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(212, 165, 116, 0.3);
}

/* 模态加载指示器样式 */
.loading-indicator {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(3px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.loading-indicator.hidden {
    display: none;
}

.loading-indicator.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-content {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    text-align: center;
    min-width: 150px;
    max-width: 90%;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin: 0 auto var(--spacing-md) auto;
    height: 40px;
}

.loading-spinner::before,
.loading-spinner::after,
.loading-spinner span {
    content: '';
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-spinner::before {
    animation-delay: -0.32s;
}

.loading-spinner::after {
    animation-delay: -0.16s;
}

.loading-spinner span {
    animation-delay: 0s;
}

@keyframes bounce {
    0%, 80%, 100% { 
        transform: scale(0);
        opacity: 0.7;
    } 
    40% { 
        transform: scale(1);
        opacity: 1;
    }
}

.loading-text {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    margin: 0;
}

/* 主内容区域 - 优化间距 */
.main-content {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

/* 预览区域 - 优化尺寸 */
.preview-section {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
    border: 1px solid var(--border-color);
    text-align: center;
}

.preview-container {
    background: linear-gradient(45deg, #f8f6f0 0%, #ffffff 100%);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 150px;
    border: 1px dashed var(--border-color);
    position: relative;
    overflow: hidden;
}

.preview-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(212, 165, 116, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(212, 165, 116, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.preview-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 移动端响应式样式 */
@media (max-width: 768px) {
    .preview-controls {
        gap: 8px;
    }
    
    .preview-btn {
        padding: 6px 12px !important;
        font-size: 14px !important;
        margin: 0 !important;
        flex: 1 1 calc(50% - 8px);
        max-width: calc(50% - 8px);
    }
}

.preview-btn {
    background: var(--secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 80px;
}

#favoriteBtn {
    background-color: #3498db;
    color: white;
    border: none;
}

#favoriteBtn:hover {
    background-color: #2980b9;
}

#favoriteBtn.favorited {
    background-color: #2ecc71;
    animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

#manageFavoritesBtn {
    background-color: #3498db;
    color: white;
    border: none;
}

#manageFavoritesBtn:hover {
    background-color: #2980b9;
}

/* 收藏管理模态框样式 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #7f8c8d;
    display: none;
}

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.favorite-item {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    position: relative;
    background: white;
    transition: all 0.3s ease;
}

.favorite-item:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.favorite-item-preview {
    margin: 10px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
}

.favorite-item-name {
    font-size: 12px;
    color: #555;
    margin: 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.favorite-item-actions {
    display: flex;
    justify-content: space-between;
    gap: 5px;
    margin-top: 10px;
}

.favorite-item-btn {
    flex: 1;
    padding: 5px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.3s;
}

.favorite-item-restore {
    background-color: #27ae60;
    color: white;
}

.favorite-item-restore:hover {
    background-color: #229954;
}

.favorite-item-delete {
    background-color: #e74c3c;
    color: white;
}

.favorite-item-delete:hover {
    background-color: #c0392b;
}

/* APP风格提示框样式 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    z-index: 1000;
    display: none;
    animation: toastFadeIn 0.3s ease-out;
}

@keyframes toastFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.toast.show {
    display: block;
}

.preview-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

/* 设置面板 - 优化为紧凑布局 */
.settings-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.setting-group {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    box-shadow: 0 2px 16px var(--shadow-light);
    border: 1px solid var(--border-color);
}

.setting-group h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

/* 样式选择器 - 优化为更紧凑 */
.style-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.style-btn {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    position: relative;
}

.style-btn:hover {
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-medium);
}

.style-btn.active {
    border-color: var(--accent-color);
    background: rgba(212, 165, 116, 0.1);
    box-shadow: 0 2px 4px var(--shadow-medium);
}

.style-preview {
    width: 16px;
    height: 16px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 样式预览 */
.dot-preview {
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    background: transparent;
}

.circle-preview {
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    position: relative;
}

.circle-preview::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.cross-preview::before,
.cross-preview::after {
    content: '';
    position: absolute;
    background: var(--accent-color);
}

.cross-preview::before {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-1px);
}

.cross-preview::after {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-1px);
}

.triangle-preview {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 18px solid var(--accent-color);
    position: relative;
    margin: 0 auto;
}

.sniper-preview {
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    position: relative;
}

.sniper-preview::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.arrow-preview {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 18px solid var(--accent-color);
    position: relative;
    margin: 0 auto;
}

.arrow-preview::after {
    content: '';
    position: absolute;
    bottom: -23px;
    left: 50%;
    width: 3px;
    height: 8px;
    background: var(--accent-color);
    transform: translateX(-1.5px);
}

.diamond-preview {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-color);
    background: transparent;
    transform: rotate(45deg);
    position: relative;
}

.star-preview {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.star-preview::before {
    content: '☆';
    position: absolute;
    color: var(--accent-color);
    font-size: 20px;
    width: 20px;
    height: 20px;
    line-height: 1;
    text-align: center;
    top: 0;
    left: 0;
}

.star-preview span {
    display: none;
}

/* 新增镂空样式预览 */
.hollow-circle-preview {
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    background: transparent;
    width: 16px;
    height: 16px;
}

.hollow-square-preview {
    border: 2px solid var(--accent-color);
    background: transparent;
    width: 16px;
    height: 16px;
}

.crosshair-preview {
    position: relative;
    width: 16px;
    height: 16px;
}

.crosshair-preview::before,
.crosshair-preview::after {
    content: '';
    position: absolute;
    background: var(--accent-color);
}

.crosshair-preview::before {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-1px);
}

.crosshair-preview::after {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-1px);
}

.chevron-preview {
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 13px solid var(--accent-color);
    position: relative;
    margin: 0 auto;
}

.chevron-preview::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--accent-color);
    transform: translateX(-5px);
}

.hexagon-preview {
    position: relative;
    width: 20px;
    height: 23px;
    margin: 0 auto;
}

.hexagon-preview::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.hexagon-preview::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: transparent;
    border: 1px solid var(--accent-color);
    clip-path: polygon(50% 3%, 95% 28%, 95% 72%, 50% 97%, 5% 72%, 5% 28%);
}

/* 颜色控制 - 优化为水平紧凑布局 */
.color-controls {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
    justify-content: center;
}

.color-input-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.color-input-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.color-input-group input[type="color"] {
    width: 32px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 1px;
    background: var(--secondary-bg);
}

.color-input-group input[type="color"]:hover {
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

/* 滑块控制 - 优化为紧凑网格布局 */
.slider-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.slider-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-group label span {
    color: var(--accent-color);
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

.slider-group input[type="range"] {
    width: 100%;
    height: 4px;
    background: var(--secondary-bg);
    border-radius: 2px;
    outline: none;
    border: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: grab;
    touch-action: none; /* 防止触摸滚动干扰 */
    -webkit-user-select: none; /* 防止文本选择 */
    user-select: none;
    will-change: transform; /* 优化性能 */
}

.slider-group input[type="range"]:active {
    cursor: grabbing;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 6px rgba(212, 165, 116, 0.4);
    transition: all 0.15s ease;
    will-change: transform;
}

.slider-group input[type="range"]:active::-webkit-slider-thumb {
    cursor: grabbing;
    transform: scale(1.2);
    box-shadow: 0 3px 10px rgba(212, 165, 116, 0.6);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(212, 165, 116, 0.5);
}

.slider-group input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: grab;
    border: none;
    box-shadow: 0 2px 6px rgba(212, 165, 116, 0.4);
    transition: all 0.15s ease;
    will-change: transform;
}

.slider-group input[type="range"]:active::-moz-range-thumb {
    cursor: grabbing;
    transform: scale(1.2);
    box-shadow: 0 3px 10px rgba(212, 165, 116, 0.6);
}

/* 开关控制 - 优化为水平紧凑布局 */
.toggle-controls {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-md);
}

.toggle-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--secondary-bg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    min-width: 80px;
    justify-content: space-between;
}

.toggle-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 32px;
    height: 18px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--secondary-bg);
    transition: 0.2s;
    border-radius: 18px;
    border: 1px solid var(--border-color);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-secondary);
    transition: 0.2s;
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(14px);
    background-color: white;
}

/* 底部工具栏 - 优化为更紧凑 */
.app-footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm);
    text-align: center;
    position: sticky;
    bottom: 0;
    backdrop-filter: blur(10px);
}

.footer-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 公告模态框样式 - 移动端风格 */
.announcement-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.announcement-modal.show {
    opacity: 1;
    visibility: visible;
}

.announcement-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    padding: 32px;
    max-width: 380px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.announcement-modal.show .announcement-content {
    transform: scale(1);
}

.announcement-header {
    text-align: center;
    margin-bottom: 24px;
}

.announcement-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.announcement-icon svg {
    color: white;
    opacity: 0.9;
}

.announcement-header h2 {
    color: white;
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.announcement-body {
    margin-bottom: 24px;
}

.announcement-text {
    color: white;
    font-size: 16px;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 8px;
    opacity: 0.95;
}

.announcement-text strong {
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.announcement-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    text-align: center;
    margin-bottom: 20px;
}

.announcement-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item svg {
    color: #4ade80;
    flex-shrink: 0;
}

.feature-item span {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.announcement-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.countdown-timer {
    display: flex;
    align-items: center;
    gap: 4px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
}

.countdown-number {
    color: #fbbf24;
    font-weight: 700;
    font-size: 16px;
    min-width: 20px;
    text-align: center;
}

.announcement-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.announcement-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.6);
}

.announcement-btn:disabled {
    background: rgba(255, 255, 255, 0.2);
    cursor: not-allowed;
    box-shadow: none;
}

.announcement-btn:disabled .btn-text {
    opacity: 0.7;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.announcement-btn:disabled .btn-loader {
    opacity: 1;
}

.announcement-btn:disabled .btn-text {
    opacity: 0;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 480px) {
    .announcement-content {
        padding: 24px;
        margin: 16px;
        width: calc(100% - 32px);
    }
    
    .announcement-header h2 {
        font-size: 20px;
    }
    
    .announcement-icon {
        width: 60px;
        height: 60px;
    }
    
    .announcement-text {
        font-size: 14px;
    }
    
    .announcement-btn {
        padding: 14px 20px;
        font-size: 15px;
    }
}

/* 下载按钮样式 */
.download-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.download-pro-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #4ade80, #22c55e);
    border-radius: 16px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.4);
    position: relative;
    overflow: hidden;
}

.download-pro-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(34, 197, 94, 0.6);
}

.download-pro-btn:active {
    transform: translateY(0);
}

.download-pro-btn svg {
    flex-shrink: 0;
    color: white;
    opacity: 0.9;
}

.download-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.download-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

.download-subtitle {
    font-size: 12px;
    opacity: 0.8;
    line-height: 1.2;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 10% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--secondary-bg);
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.download-option {
    background: var(--secondary-bg);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.download-option h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.download-option p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.download-format-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.download-format-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.4);
}

.size-options h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.size-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.size-btn {
    background: var(--secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.size-btn:hover,
.size-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* 响应式设计 */
@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .style-selector {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xs);
    }
    
    .color-controls {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 20% auto;
        width: 95%;
    }
    
    .preview-section {
        padding: var(--spacing-lg);
    }
    
    .setting-group {
        padding: var(--spacing-md);
    }
}

@media (max-width: 360px) {
    .app-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .app-header h1 {
        font-size: 1.1rem;
    }
    
    .style-selector {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .size-buttons {
        grid-template-columns: 1fr;
    }
}

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

.setting-group {
    animation: fadeIn 0.6s ease-out;
}

.setting-group:nth-child(2) {
    animation-delay: 0.1s;
}

.setting-group:nth-child(3) {
    animation-delay: 0.2s;
}

.setting-group:nth-child(4) {
    animation-delay: 0.3s;
}

.setting-group:nth-child(5) {
    animation-delay: 0.4s;
}

/* 触摸优化 */
@media (hover: none) and (pointer: coarse) {
    .style-btn,
    .preview-btn,
    .download-btn,
    .download-format-btn,
    .size-btn {
        padding: var(--spacing-md);
        min-height: 44px;
    }
    
    .toggle-switch {
        width: 60px;
        height: 34px;
    }
    
    .toggle-slider:before {
        height: 26px;
        width: 26px;
    }
    
    .toggle-switch input:checked + .toggle-slider:before {
        transform: translateX(26px);
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-bg: #1a1a1a;
        --secondary-bg: #2d2d2d;
        --card-bg: #242424;
        --border-color: #404040;
        --text-primary: #e8e8e8;
        --text-secondary: #b0b0b0;
        --accent-color: #d4a574;
        --accent-hover: #e0b583;
        --shadow-light: rgba(212, 165, 116, 0.15);
        --shadow-medium: rgba(212, 165, 116, 0.25);
    }
    
    body {
        background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    }
    
    .preview-container {
        background: linear-gradient(45deg, #2a2a2a 0%, #1f1f1f 100%);
    }
}

/* 底部备案信息样式 */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 8px 0;
    margin-top: auto;
}

.footer-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.beian-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.beian-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.2;
}

.beian-item span {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.police-icon {
    width: 12px;
    height: 12px;
    object-fit: contain;
    filter: grayscale(0.3);
}

.beian-police {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 响应式备案信息 */
@media (max-width: 480px) {
    .beian-info {
        gap: 2px;
    }
    
    .beian-item {
        font-size: 0.65rem;
        gap: 4px;
    }
    
    .police-icon {
        width: 10px;
        height: 10px;
    }
}