.player-container {
    width: 100%;
    height: 100%;
    max-width: 800px;
    max-height: 340px;
    margin: 20px auto; /* 改为auto实现居中 */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

video {
    width: 100%;
    height: 100%;
    max-width: 800px;
    max-height: 340px;
    display: block;
    background-color: #fff;
    cursor: pointer;
}

/* 修复重复的.video-buttons定义，合并成一个 */
.video-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding: 0 20px;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
}

.button-label {
    font-size: 16px;
    color: #333;
    font-weight: 500;
    min-width: 80px;
    text-align: right;
}

/* 按钮容器样式 */
.buttons-container {
    display: flex;
    gap: 8px;
}

/* 简化按钮样式 */
.video-btn {
    padding: 10px 20px;
    background-color: #eee;
    color: #333;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
}

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

.video_loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

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

.video-wrapper {
    position: relative;
}

/* 添加Loading样式 */
#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading.hidden {
    opacity: 0;
    visibility: hidden;
}

/* 修复font-family语法错误 */
.loading-text {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    color: var(--text-color-secondary);
    font-weight: 500;
    font-size: 18px;
    margin-bottom: 20px;
}

/* 环形进度条 */
.circular-progress {
    width: 80px;
    height: 80px;
    position: relative;
    margin-bottom: 15px;
}

.circular-progress svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.circular-progress circle {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
}

.circular-progress circle.bg {
    stroke: rgba(255, 123, 58, 0.2);
}

.circular-progress circle.progress {
    stroke: var(--primary-color);
    /* 2 * π * r = 2 * 3.14159 * 36 ≈ 226.2 */
    stroke-dasharray: 226.2;
    stroke-dashoffset: 226.2;
    transition: stroke-dashoffset 0.3s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color-secondary);
}

/* 隐藏页面内容直到加载完成 */
.page-content {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.page-content.visible {
    opacity: 1;
}

:root {
    --bg-color: #fff;
    --text-color: #2c3e50;
    --text-color-secondary: #3a5169;
    --primary-color: #ff7b3a;
    --border-color: #eaecef;
    --code-bg-color: #f8f8f8;
    --content-width: 740px;
    --navbar-height: 100px;
    --sidebar-width: 20rem;
}

html[data-theme="dark"] {
    --bg-color: #1d1e1f;
    --text-color: #adbac7;
    --text-color-secondary: #768390;
    --border-color: #444c56;
    --code-bg-color: #2d333b;
}

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

html,
body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    text-decoration: underline;
}

.b{
    opacity: 0.9;
    padding: 0 5px 0 5px;
}
.b:hover{
    text-decoration: none;
    opacity: 1;
}
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background-color: var(--bg-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 2rem;
}

.navbar .brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}
.navbar .brand:hover{
    text-decoration: none;
}

.navbar .logo {
    height: 40px;
    margin-right: 10px;
    border-radius: 6px;
}

.navbar .nav-links {
    display: flex;
    margin-left: auto;
    gap: 2rem;
}

.navbar .nav-link {
    color: var(--text-color-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    text-decoration: none;
}

/* 窄屏时只显示图标 */
@media (max-width: 768px) {
    .navbar .nav-link span {
        display: none;
    }
    
    .navbar .nav-links {
        gap: 1.5rem;
    }
    
    .navbar .nav-link i {
        font-size: 1.2rem;
    }
}

/* 主内容 */
.main-content {
    margin-top: var(--navbar-height);
    padding: 2rem 0;
    min-height: calc(100vh - var(--navbar-height));
}

/* Hero区域 */
.hero {
    text-align: center;
    padding: 3rem 1rem 5rem 1rem;
    max-width: 960px;
    margin: 0 auto;
}

.hero .logo-large {
    height: 120px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.hero .description {
    font-size: 1.5rem;
    color: var(--text-color-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.action-button.primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.action-button.primary:hover {
    background-color: #e66a2c;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 123, 58, 0.3);
}

.action-button.default {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.action-button.default:hover {
    background-color: rgba(255, 123, 58, 0.1);
    text-decoration: none;
    transform: translateY(-2px);
}

.feature-panel {
    padding: 4rem 0 6rem 0;
    background-color: rgba(0, 0, 0, 0.02);
}

.feature-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    background: var(--bg-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.feature-item h3 i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

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

/* 内容区域 */
.content-section {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 2rem 0;
}

.content-section h1 {
    font-size: 2.2rem;
    margin: 2rem 0 1.5rem;
    color: var(--text-color);
}

.content-section h2 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: var(--text-color);
}

.content-section h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-color);
}

.content-section p {
    margin: 1rem 0;
    line-height: 1.8;
}

/* 代码块 */
.code-block {
    background-color: var(--code-bg-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.code-block code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 0.9em;
    color: var(--text-color);
}

/* 表格 */
.content-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95em;
}

.content-table th,
.content-table td {
    border: 1px solid var(--border-color);
    padding: 0.8rem 1rem;
    text-align: left;
}

.content-table th {
    background-color: rgba(0, 0, 0, 0.03);
    font-weight: 600;
    color: var(--text-color);
}

.content-table tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* 下载区块 */
.download-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 4rem 0;
    border-radius: 16px;
    margin: 3rem 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 2rem auto;
}

.download-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-card:hover {
    transform: translateY(-5px);
}

.download-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.version-tag {
    background-color: var(--primary-color);
    color: white;
    padding: 0.2rem 0.8rem 0.3rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 60px;
    padding: 0.8rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 1.5rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.download-btn:hover {
    background-color: #e66a2c;
    text-decoration: none;
}

.download-btn i {
    margin-right: 8px;
}

/* 模组展示区块 */
.mods-section {
    padding: 4rem 0;
}

.mods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 2rem auto;
}

.mod-card {
    background: var(--bg-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.mod-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.mod-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mod-type {
    background-color: rgba(255, 123, 58, 0.1);
    color: var(--primary-color);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

.mod-desc {
    color: var(--text-color-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.mod-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.6rem;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mod-btn:hover {
    background-color: rgba(255, 123, 58, 0.1);
    text-decoration: none;
}

.mod-btn i {
    margin-right: 6px;
}

/* FAQ样式 */
.faq-section {
    margin: 3rem 0;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-color-secondary);
    line-height: 1.7;
}

.faq-answer.show {
    max-height: 500px;
    padding-top: 1rem;
}

/* 页脚 */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #adbac7;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
    text-decoration: none;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid #444c56;
    color: #adbac7;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }
    
    .navbar .nav-links {
        gap: 1rem;
    }
    
    /* 移动端Hero区域字体缩小 */
    .hero h1 {
        font-size: 2.2rem; /* 从3.2rem缩小到2.2rem */
        margin-bottom: 0.8rem;
    }
    
    .hero .description {
        font-size: 1.1rem; /* 从1.5rem缩小到1.1rem */
        margin-bottom: 2rem;
    }
    
    /* 副标题也缩小 */
    .hero h2 {
        font-size: 1.4rem; /* 针对副标题设置合适大小 */
        margin-bottom: 1rem;
        line-height: 1.4;
    }
    
    .feature-wrapper,
    .mods-grid {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        padding: 2rem 1rem;
    }
    
    .hero {
        padding: 2rem 1rem 3rem; /* 减少上下内边距 */
    }
    
    /* 调整容器内边距 */
    .container {
        padding: 0 1rem;
    }
    
    /* 调整按钮间距 */
    .hero .actions {
        gap: 0.8rem;
    }
    
    .action-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.95rem;
    }
}

/* 更小的屏幕适配 */
@media (max-width: 480px) {
    .hero .actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .action-button {
        width: 100%;
        max-width: 280px;
        margin-bottom: 0.5rem;
    }
    
    .navbar .brand span {
        display: none;
    }
    
    /* 超小屏幕进一步缩小字体 */
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero .description {
        font-size: 1rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
    }
    
    /* 调整视频按钮在小屏幕上的显示 */
    .video-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .button-label {
        text-align: center;
        min-width: auto;
        width: 100%;
    }
    
    .buttons-container {
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }
    
    /* 调整视频容器边距 */
    .player-container {
        margin: 15px 0;
    }
}

/* 斜角HOT标签样式 */
.hot-ribbon {
    position: absolute;
    top: 0px;
    right: -35px;
    background: #ff7b3a;
    color: white;
    padding: 6px 35px;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: rotate(45deg);
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 添加针对中等屏幕的调整 */
@media (max-width: 992px) and (min-width: 769px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero .description {
        font-size: 1.3rem;
    }
    
    .hero h2 {
        font-size: 1.6rem;
    }
}