/* 千灵写作网站组件样式 */

/* 按钮组件 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background: var(--accent-color);
    color: var(--text-dark);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* 卡片组件 */
.card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

/* 浅色主题下的卡片优化 */
[data-theme="light"] .card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.card-header {
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 2rem;
}

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

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
}

/* 英雄区域 */
.hero {
    background: transparent;
    padding: 6rem 2rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    margin: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 浅色主题下的英雄区域优化 */
[data-theme="light"] .hero::before {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-pattern.png') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 400;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* 特性展示 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
    padding: 0 2rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

/* 浅色主题下的特性卡片 */
[data-theme="light"] .feature-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .feature-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--secondary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-primary);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.feature-icon-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: all var(--transition-normal);
}

.feature-icon-fallback {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

/* 浅色主题下的特性图标 */
[data-theme="light"] .feature-icon-img {
    filter: brightness(0) invert(1);
}

/* 悬停时的特性图标效果 */
.feature-card:hover .feature-icon-img {
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

[data-theme="light"] .feature-card:hover .feature-icon-img {
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 截图画廊 */
.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.screenshot-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

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

.screenshot-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-title {
    color: var(--text-primary);
    font-weight: 500;
    text-align: center;
    padding: 1rem;
}

/* 下载卡片 */
.download-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
}

.download-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
}

.download-platform {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.download-version {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.download-size {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: var(--text-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* 加载屏幕 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.loading-content {
    text-align: center;
}

.loading-logo {
    margin-bottom: 2rem;
}

.logo-image {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
}

.loading-text {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-top: 1rem;
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    visibility: hidden;
    width: 120px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    text-align: center;
    border-radius: var(--border-radius-sm);
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-size: 0.875rem;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* 图标字体 */
[class^="icon-"], [class*=" icon-"] {
    font-family: 'iconfont', 'Font Awesome 5 Free', 'Font Awesome 5 Pro', sans-serif;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 图标定义 */
.icon-home::before {
    content: "🏠";
}

.icon-features::before {
    content: "⚡";
}

.icon-gallery::before {
    content: "🖼️";
}

.icon-download::before {
    content: "⬇️";
}

.icon-guide::before {
    content: "📖";
}

.icon-about::before {
    content: "ℹ️";
}

.icon-ai::before {
    content: "🤖";
}

.icon-chapters::before {
    content: "📝";
}

.icon-character::before {
    content: "👤";
}

.icon-knowledge::before {
    content: "📚";
}

.icon-consistency::before {
    content: "✅";
}

.icon-export::before {
    content: "📤";
}

.icon-check::before {
    content: "✓";
}

.icon-arrow-up::before {
    content: "↑";
}

.icon-zoom::before {
    content: "🔍";
}

.icon-close::before {
    content: "✕";
}

.icon-chevron-down::before {
    content: "⌄";
}

.icon-windows::before {
    content: "🪟";
}

.icon-package::before {
    content: "📦";
}

.icon-beta::before {
    content: "β";
}

.icon-check-circle::before {
    content: "✅";
}

.icon-star::before {
    content: "⭐";
}

.icon-info::before {
    content: "ℹ️";
}

.icon-email::before {
    content: "📧";
}

.icon-wechat::before {
    content: "💬";
}

.icon-qq::before {
    content: "🐧";
}

.icon-github::before {
    content: "🐙";
}

.icon-send::before {
    content: "📤";
}

/* 表单组件 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* 模态框 */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.image-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bg-overlay);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
}

.modal-image {
    width: 100%;
    height: auto;
    display: block;
}

.modal-info {
    padding: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.modal-description {
    color: var(--text-secondary);
}

/* 占位符图片样式 */
.placeholder-image {
    width: 100%;
    height: 200px;
    background: var(--secondary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
}

/* 步骤样式 */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 2rem 0;
}

/* 工作流程样式 */
.workflow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

/* 分支式工作流程样式 */
.workflow-container-branched {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 3rem auto;
}

.workflow-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    width: 100%;
}

.workflow-vertical-arrow {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 40px;
}

.vertical-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: bold;
}

.workflow-step-with-arrow {
    position: relative;
}

.workflow-step {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    min-width: 200px;
    max-width: 280px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    flex: 1;
}

.workflow-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.workflow-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: bold;
}

.workflow-arrow.horizontal {
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: bold;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .workflow-container {
        flex-direction: column;
    }

    .workflow-arrow {
        transform: rotate(90deg);
    }

    .workflow-container-branched {
        gap: 1.5rem;
    }

    .workflow-row {
        flex-direction: column;
        gap: 1rem;
    }

    .workflow-arrow.horizontal {
        transform: rotate(90deg);
        font-size: 1.5rem;
    }

    .workflow-vertical-arrow {
        position: static;
        transform: none;
        height: 40px;
        margin: 1rem 0;
    }

    .vertical-arrow {
        font-size: 1.5rem;
    }

    .workflow-step {
        min-width: 250px;
        max-width: 300px;
    }

    .workflow-step-with-arrow {
        position: static;
    }
}

/* 小图标样式 */
.feature-icon-small {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--accent-color);
    position: relative;
}

.feature-icon-small-img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
    transition: all var(--transition-normal);
}

[data-theme="light"] .feature-icon-small-img {
    filter: brightness(0) invert(0.3);
}

.feature-icon-small-fallback {
    font-size: 2rem;
    color: var(--accent-color);
}

/* 工作流程步骤图标样式 */
.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.step-icon-img {
    width: 48px;
    height: 48px;
    filter: brightness(0) invert(1);
    transition: all var(--transition-normal);
}

[data-theme="light"] .step-icon-img {
    filter: brightness(0) invert(0.3);
}

.step-icon-fallback {
    font-size: 3rem;
    color: var(--text-primary);
}

/* 高级功能样式 */
.advanced-features {
    margin: 4rem 0;
    padding: 3rem 2rem;
    background: var(--secondary-gradient);
    border-radius: var(--border-radius);
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.advanced-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.advanced-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

/* 功能高亮样式 */
.feature-highlight {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--accent-color);
}

.highlight-text {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.1rem;
}

/* 关于我们页面功能高亮样式 */
.features-highlight {
    padding: 4rem 2rem;
    background: var(--secondary-gradient);
    margin: 3rem 0;
    border-radius: var(--border-radius);
}

.highlight-container {
    max-width: 1000px;
    margin: 0 auto;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.highlight-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.highlight-icon-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.highlight-icon-fallback {
    font-size: 2.5rem;
    color: var(--text-primary);
}

.highlight-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.highlight-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.highlight-badge {
    display: inline-block;
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 更多功能持续开发中卡片样式 */
.coming-soon-card {
    position: relative;
    border: 2px dashed var(--accent-color) !important;
    background: rgba(255, 215, 0, 0.05) !important;
}

.coming-soon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 215, 0, 0.1) 50%, transparent 70%);
    animation: shimmer 2s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.coming-soon-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #ff6b6b, #ffd93d);
    color: var(--text-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
}

.coming-soon-badge-small {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ffd93d);
    color: var(--text-dark);
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
}

.coming-soon-highlight {
    background: rgba(255, 215, 0, 0.15) !important;
    border-color: var(--accent-color) !important;
}

/* 提示图标样式 */
.tip-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-gradient);
    border-radius: 50%;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tip-icon-img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: all var(--transition-normal);
}

.tip-icon-fallback {
    font-size: 1.8rem;
    color: var(--text-primary);
}

/* 浅色主题下的提示图标 */
[data-theme="light"] .tip-icon-img {
    filter: brightness(0) invert(1);
}

/* 提示项悬停效果 */
.tip-item:hover .tip-icon {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.tip-item:hover .tip-icon-img {
    transform: scale(1.1);
}

.advanced-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advanced-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 详细指南样式 */
.detailed-guide {
    margin: 4rem 0;
}

.guide-section {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.guide-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
}

.guide-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.guide-item {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--accent-color);
}

.guide-subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.guide-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 技巧提示样式 */
.guide-tips {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tip-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
}

.tip-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.tip-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.tip-content {
    flex: 1;
}

.tip-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tip-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ样式 */
.faq-section {
    margin: 4rem 0;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.faq-question::before {
    content: "Q:";
    color: var(--accent-color);
    font-weight: bold;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1.5rem;
    border-left: 3px solid var(--accent-color);
}

.faq-answer::before {
    content: "A: ";
    color: var(--accent-color);
    font-weight: 600;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 联系方式样式 */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-method {
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.contact-method h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-method p {
    color: var(--accent-color);
    font-weight: 500;
}

.contact-description-small {
    color: var(--text-secondary) !important;
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    margin-bottom: 1rem !important;
}

/* 社区区域样式 */
.community-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
}

.community-actions {
    margin-top: 2rem;
}

.community-info {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* QQ群按钮特殊样式 */
.qq-group-btn {
    background: linear-gradient(135deg, #12B7F5 0%, #0099E1 100%);
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.qq-group-btn:hover {
    background: linear-gradient(135deg, #0099E1 0%, #0088CC 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(18, 183, 245, 0.3);
}

/* QQ图标样式 */
.qq-icon {
    width: 1.2rem;
    height: 1.2rem;
    object-fit: contain;
    filter: brightness(0) invert(1); /* 将图标变为白色 */
}

/* QQ表情回退样式 */
.qq-icon-fallback {
    font-size: 1.2rem;
    line-height: 1;
}

/* Logo占位符样式 */
.logo-placeholder {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto;
}

.logo-placeholder-small {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* 下载页面样式 */
.download-page .download-hero {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.download-info {
    flex: 1;
}

.download-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.download-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.version-info {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.current-version,
.release-date {
    padding: 0.5rem 1rem;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.download-actions {
    flex-shrink: 0;
    text-align: center;
}

.primary-download .download-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.download-icon,
.download-icon-fallback {
    width: 20px;
    height: 20px;
}

.download-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 下载源样式 */
.download-sources {
    margin-bottom: 3rem;
}

.sources-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.source-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.source-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.source-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.source-icon,
.source-icon-fallback {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.source-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.source-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
}

.source-badge.recommended {
    background: var(--accent-color);
    color: var(--text-dark);
}

.source-badge.fast {
    background: #10b981;
    color: white;
}

.source-badge.stable {
    background: #3b82f6;
    color: white;
}

.source-description {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* 模型下载区域样式 */
.model-download-section {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.model-download-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    text-align: center;
}

.model-download-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.model-sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.model-source-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.model-source-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cloud-info {
    margin: 1rem 0;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--accent-color);
}

.cloud-code {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.cloud-code code {
    background: var(--accent-color);
    color: #000000;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-weight: 600;
    margin-left: 0.5rem;
}

.model-setup-guide {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.setup-guide-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.model-setup-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.setup-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    background: var(--accent-color);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.step-content p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-content code {
    background: var(--bg-primary);
    color: var(--accent-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 500;
}

.model-notification {
    border-left: 4px solid var(--accent-color);
}

/* 系统要求样式 */
.system-requirements {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.requirements-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.requirement-icon,
.requirement-icon-fallback {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.requirement-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.requirement-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 下载通知样式 */
.download-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-card);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
}

.notification-icon,
.notification-icon-fallback {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.notification-text {
    color: var(--text-primary);
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.notification-close:hover {
    color: var(--text-primary);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .download-page .download-hero {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .version-info {
        justify-content: center;
    }

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

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

    .download-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        width: auto;
    }
}

/* ==================== 视频演示区域样式 ==================== */

.video-demo-section {
    margin: 3rem 0;
    padding: 2rem 0;
}

.video-container {
    max-width: 900px;
    margin: 2rem auto 0;
    position: relative;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.bilibili-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fallback-content {
    text-align: center;
    padding: 2rem;
}

.fallback-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.fallback-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.fallback-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 内嵌HTML发布说明在卡片中的宽度修正，避免PC端变窄 */
.version-card .html-release-notes { width: 100%; max-width: 100%; }

/* ==================== 更新日志页面样式 ==================== */

/* 更新日志页面容器优化 */
.changelog-page {
    /* 确保页面容器能够正确处理内容 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.changelog-page.page-container,
.changelog-page .page-container {
    /* 更新日志页面的特殊容器样式 */
    max-width: 1000px; /* 稍微减小最大宽度，给内容更多空间 */
    padding: 1.5rem; /* 减少内边距，避免挤压 */
}

.changelog-page .latest-version-section {
    margin: 3rem 0;
}

.version-card {
    margin-bottom: 2rem;
    padding: 2rem;
    border-left: 4px solid var(--accent-color);
    /* 防止内容挤压的关键样式 */
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    /* 确保容器能够正确处理内容溢出 */
    min-width: 0;
    box-sizing: border-box;
}

.version-card.latest-version {
    border-left-color: var(--success-color);
    background: linear-gradient(135deg,
        rgba(var(--success-color-rgb), 0.05) 0%,
        rgba(var(--success-color-rgb), 0.02) 100%);
}

.version-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    /* 防止标题区域挤压 */
    min-width: 0;
    width: 100%;
}

.version-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
    /* 防止标题文本挤压 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
    flex: 1;
}

.version-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: 20px;
}

.version-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.version-badge.latest {
    background: var(--success-color);
    color: white;
}

.version-content {
    color: var(--text-secondary);
    line-height: 1.6;
    /* 确保内容区域能够正确处理文本换行 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
    width: 100%;
}

.version-content h4 {
    color: var(--text-primary);
    margin: 1.5rem 0 1rem 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    /* 防止标题挤压 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
    flex-wrap: wrap;
}

.version-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
    /* 确保列表能够正确换行 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
    width: 100%;
}

.version-content li {
    margin-bottom: 0.5rem;
    /* 防止列表项内容挤压 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.6;
    min-width: 0;
}

.version-timeline {
    position: relative;
}

.version-timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.version-timeline .version-card {
    position: relative;
    margin-left: 4rem;
}

.version-timeline .version-card::before {
    content: '';
    position: absolute;
    left: -4.5rem;
    top: 2rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--bg-primary);
}

.update-cta-section {
    margin: 4rem 0 2rem;
}

.update-cta-container {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg,
        rgba(var(--accent-color-rgb), 0.1) 0%,
        rgba(var(--accent-color-rgb), 0.05) 100%);
    border: 1px solid rgba(var(--accent-color-rgb), 0.2);
}

.cta-title {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.cta-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 响应式设计 - 视频和更新日志 */
@media (max-width: 768px) {
    .video-container {
        margin: 1.5rem auto 0;
    }

    .video-wrapper {
        border-radius: 8px;
    }

    /* 移动端更新日志页面优化 */
    .changelog-page.page-container,
    .changelog-page .page-container {
        padding: 1rem; /* 移动端进一步减少内边距 */
        max-width: 100%; /* 移动端使用全宽 */
    }

    .version-card {
        padding: 1.5rem; /* 减少卡片内边距 */
        margin-bottom: 1.5rem;
    }

    .version-timeline {
        margin-left: 0;
    }

    .version-timeline::before {
        left: 1rem;
    }

    .version-timeline .version-card {
        margin-left: 2.5rem;
        padding: 1.5rem; /* 移动端减少内边距 */
    }

    .version-timeline .version-card::before {
        left: -3rem;
    }

    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .version-title {
        font-size: 1.3rem; /* 移动端减小标题字体 */
    }

    .version-content h4 {
        font-size: 1rem; /* 移动端减小子标题字体 */
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .update-cta-container {
        padding: 2rem 1rem;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .changelog-page.page-container,
    .changelog-page .page-container {
        padding: 0.75rem; /* 超小屏幕最小内边距 */
    }

    .version-card {
        padding: 1rem; /* 进一步减少卡片内边距 */
        border-left-width: 3px; /* 减少左边框宽度 */
    }

    .version-timeline .version-card {
        margin-left: 2rem; /* 减少时间线卡片左边距 */
        padding: 1rem;
    }

    .version-timeline::before {
        left: 0.75rem; /* 调整时间线位置 */
    }

    .version-timeline .version-card::before {
        left: -2.5rem; /* 调整时间线节点位置 */
        width: 10px;
        height: 10px;
    }

    .version-title {
        font-size: 1.2rem; /* 超小屏幕进一步减小标题 */
    }

    .version-content {
        font-size: 0.9rem; /* 减小内容字体 */
    }

    .version-content h4 {
        font-size: 0.95rem;
    }
}

/* ==================== 加载和错误状态样式 ==================== */

.loading-container {
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.error-container {
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.error-container h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.error-container p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* HTML 发布说明样式隔离 */
.html-release-notes {
    /* 重置所有样式，避免继承 */
    all: initial;

    /* 恢复基本显示属性 */
    display: block;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;

    /* 设置容器样式 */
    max-width: 100%;
    margin: 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.html-release-notes * {
    /* 重置所有子元素样式 */
    all: unset;

    /* 恢复基本显示属性 */
    display: revert;
    box-sizing: border-box;
    font-family: inherit;
    line-height: inherit;
    color: inherit;
}

/* 恢复HTML内容的基本样式 */
.html-release-notes .container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.html-release-notes h1 {
    color: #2c3e50;
    text-align: center;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 0 20px 0;
}

.html-release-notes h2 {
    color: #34495e;
    margin-top: 30px;
    padding-left: 10px;
    border-left: 4px solid #3498db;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.html-release-notes h3 {
    color: #2980b9;
    margin-top: 25px;
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.html-release-notes h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: bold;
    margin: 15px 0 10px 0;
}

.html-release-notes p {
    margin: 10px 0;
    line-height: 1.6;
}

.html-release-notes ul, .html-release-notes ol {
    padding-left: 25px;
    margin: 10px 0;
}

.html-release-notes li {
    margin: 8px 0;
    line-height: 1.5;
}

.html-release-notes strong {
    color: #2c3e50;
    font-weight: bold;
}

.html-release-notes .highlight {
    background-color: #e8f4fd;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #3498db;
    margin: 15px 0;
}

.html-release-notes .example {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid #dee2e6;
    margin: 10px 0;
}

.html-release-notes .steps {
    background-color: #fff3cd;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #ffc107;
    margin: 15px 0;
}

.html-release-notes .tip {
    background-color: #d1ecf1;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #17a2b8;
    margin: 15px 0;
}

.html-release-notes .feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.html-release-notes .feature-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.html-release-notes .version-tag {
    display: inline-block;
    background: #28a745;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    margin-left: 10px;
}

/* 响应式设计 - HTML发布说明 */
@media (max-width: 768px) {
    .html-release-notes {
        padding: 15px;
    }

    .html-release-notes .container {
        padding: 20px;
    }

    .html-release-notes .feature-list {
        grid-template-columns: 1fr;
    }

    .html-release-notes h1 {
        font-size: 1.5rem;
    }

    .html-release-notes h2 {
        font-size: 1.25rem;
    }
}