/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    color: #FF9900;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #E68A00;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ===== 按钮样式 ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: #FF9900;
    color: #fff;
}

.btn-primary:hover {
    background-color: #E68A00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
}

.btn-dark {
    background-color: #333;
    color: #fff;
}

.btn-dark:hover {
    background-color: #000;
}

.btn-outline {
    background-color: transparent;
    color: #FF9900;
    border: 2px solid #FF9900;
}

.btn-outline:hover {
    background-color: #FF9900;
    color: #fff;
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    display: block;
}

/* ===== 顶部导航 ===== */
header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.site-logo a {
    display: flex;
    align-items: center;
}

.site-logo img {
    height: 44px;
    width: auto;
}

.main-nav {
    display: flex;
    gap: 30px;
    flex: 1;
    margin-left: 40px;
}

.main-nav a {
    color: #333;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: #FF9900;
}

.header-cta {
    margin-left: auto;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    border-radius: 2px;
}

/* ===== 轮播图 ===== */
.slider-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #fff 100%);
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    padding: 60px 0;
}

.slide-inner {
    display: flex;
    align-items: center;
    gap: 60px;
}

.slide-content {
    flex: 1;
}

.slide-content .tag {
    display: inline-block;
    background-color: #FFF3E0;
    color: #FF9900;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 20px;
}

.slide-content h1,
.slide-content h2 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #000;
}

.slide-content p {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.slide-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.slide-image {
    flex: 1;
    text-align: center;
}

.slide-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 153, 0, 0.8);
    color: #fff;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-prev:hover,
.slider-next:hover {
    background-color: #FF9900;
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dots button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dots button.active {
    background-color: #FF9900;
    width: 30px;
    border-radius: 6px;
}

/* ===== 统计数字区 ===== */
.stats-bar {
    background-color: #f5f5f5;
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-item .num {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #FF9900;
    margin-bottom: 10px;
}

.stat-item .label {
    display: block;
    font-size: 14px;
    color: #666;
}

/* ===== 分段标题 ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header .eyebrow {
    display: inline-block;
    color: #FF9900;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #000;
}

.section-header p {
    font-size: 16px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 产品卡片 ===== */
.products-section {
    padding: 80px 0;
    background-color: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #f9f9f9;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #eee;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #FF9900;
}

.product-card.featured {
    background: linear-gradient(135deg, #FFF8F0 0%, #fff 100%);
    border-color: #FF9900;
}

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #000;
}

.product-version {
    font-size: 12px;
    color: #FF9900;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-card p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.product-features li {
    padding: 8px 0;
    font-size: 14px;
    color: #666;
}

.product-features li:before {
    content: "✓ ";
    color: #FF9900;
    font-weight: 700;
}

/* ===== 功能卡片 ===== */
.features-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #FF9900;
}

.feature-icon-wrap {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #000;
}

.feature-card p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-card ul {
    list-style: none;
    font-size: 14px;
    color: #666;
}

.feature-card ul li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.feature-card ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #FF9900;
    font-weight: 700;
}

/* ===== 新闻区域 ===== */
.news-section {
    padding: 80px 0;
    background-color: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background-color: #f9f9f9;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-thumb {
    position: relative;
    overflow: hidden;
    height: 200px;
    background-color: #eee;
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-category {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #FF9900;
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.news-body {
    padding: 20px;
}

.news-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: #999;
    margin-bottom: 12px;
}

.news-title {
    font-size: 16px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-title a {
    color: #000;
}

.news-title a:hover {
    color: #FF9900;
}

.news-excerpt {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 12px;
}

.read-more {
    font-size: 12px;
    color: #FF9900;
    font-weight: 600;
}

/* ===== CTA区域 ===== */
.cta-section {
    background: linear-gradient(135deg, #FF9900 0%, #E68A00 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 16px;
    margin-bottom: 30px;
}

/* ===== 面包屑导航 ===== */
.breadcrumb-bar {
    background-color: #f5f5f5;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb a {
    color: #FF9900;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .sep {
    color: #ccc;
}

.breadcrumb .current {
    color: #666;
}

/* ===== 列表页面 ===== */
.list-section {
    padding: 60px 0;
}

.list-header {
    text-align: center;
    margin-bottom: 40px;
}

.list-header h1 {
    font-size: 32px;
    margin-bottom: 15px;
}

.list-header p {
    font-size: 16px;
    color: #666;
}

.filter-bar {
    margin-bottom: 40px;
    text-align: center;
}

.filter-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: #FF9900;
    color: #fff;
    border-color: #FF9900;
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.page-btn:hover {
    border-color: #FF9900;
    color: #FF9900;
}

.page-btn.active {
    background-color: #FF9900;
    color: #fff;
    border-color: #FF9900;
}

/* ===== 侧边栏 ===== */
.sidebar-wrap {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.sidebar {
    padding: 40px 0;
}

.sidebar-widget {
    background-color: #f9f9f9;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid #eee;
}

.sidebar-widget h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #000;
}

.hot-list,
.faq-list {
    list-style: none;
}

.hot-list li,
.faq-list li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.hot-list li:last-child,
.faq-list li:last-child {
    border-bottom: none;
}

.hot-list a,
.faq-list a {
    color: #333;
    font-size: 14px;
    transition: color 0.3s ease;
}

.hot-list a:hover,
.faq-list a:hover {
    color: #FF9900;
}

.cta-widget {
    background: linear-gradient(135deg, #FFF8F0 0%, #fff 100%);
    border-color: #FF9900;
}

.cta-widget h3 {
    color: #FF9900;
}

.cta-widget p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}

/* ===== 文章页面 ===== */
.article-layout {
    padding: 60px 0;
}

.article-layout .container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.article-main {
    background-color: #fff;
}

.article-header {
    margin-bottom: 30px;
}

.article-header h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #000;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    color: #999;
}

.article-cover {
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 40px;
}

.article-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #000;
}

.article-content h3 {
    font-size: 20px;
    margin: 25px 0 12px;
    color: #000;
}

.article-content p {
    margin-bottom: 15px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 15px;
    padding-left: 30px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-tags {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 30px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.tag-label {
    font-weight: 600;
    color: #333;
}

.tag {
    display: inline-block;
    background-color: #FFF3E0;
    color: #FF9900;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    transition: all 0.3s ease;
}

.tag:hover {
    background-color: #FF9900;
    color: #fff;
}

.article-share {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 30px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.share-label {
    font-weight: 600;
    color: #333;
}

.share-btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
    color: #333;
    transition: all 0.3s ease;
}

.share-btn:hover {
    border-color: #FF9900;
    color: #FF9900;
}

.article-author {
    display: flex;
    gap: 20px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 40px;
    align-items: center;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.author-info h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #000;
}

.author-info p {
    font-size: 13px;
    color: #666;
}

.related-articles {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.related-articles h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #000;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.related-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.related-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.related-thumb {
    overflow: hidden;
    height: 150px;
    background-color: #eee;
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.related-body {
    padding: 15px;
}

.related-body h3 {
    font-size: 14px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-body h3 a {
    color: #000;
}

.related-body h3 a:hover {
    color: #FF9900;
}

.related-meta {
    font-size: 12px;
    color: #999;
}

.article-sidebar {
    display: flex;
    flex-direction: column;
}

/* ===== 下载页面 ===== */
.download-hero {
    padding: 60px 0;
    text-align: center;
}

.download-hero h1 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #000;
}

.download-hero p {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

.download-hero-img {
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
}

.download-hero-img img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.download-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #333;
}

.download-btn:hover {
    background-color: #FFF3E0;
    border-color: #FF9900;
    transform: translateY(-3px);
}

.download-btn-icon {
    font-size: 32px;
}

.download-btn-text .sub {
    font-size: 12px;
    color: #999;
}

.download-btn-text .main {
    font-size: 16px;
    font-weight: 600;
    color: #000;
}

.versions-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.versions-section h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 10px;
}

.versions-section > .container > p {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.version-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 40px;
    border: 1px solid #eee;
    position: relative;
    transition: all 0.3s ease;
}

.version-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.version-card.featured {
    border-color: #FF9900;
    background: linear-gradient(135deg, #FFF8F0 0%, #fff 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 20px;
    background-color: #FF9900;
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.version-header {
    text-align: center;
    margin-bottom: 20px;
}

.version-header h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.version-price {
    color: #FF9900;
    font-weight: 600;
    font-size: 16px;
}

.version-features {
    margin-bottom: 30px;
}

.version-features ul {
    list-style: none;
}

.version-features li {
    padding: 10px 0;
    font-size: 14px;
    color: #666;
}

.version-features li:before {
    content: "✓ ";
    color: #FF9900;
    font-weight: 700;
}

.version-note {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-top: 15px;
}

.requirements-section {
    padding: 80px 0;
    background-color: #fff;
}

.requirements-section h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.requirement-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 30px;
    border: 1px solid #eee;
}

.requirement-item h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #FF9900;
}

.requirement-item p {
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
}

.requirement-item .small {
    font-size: 12px;
    color: #999;
}

.installation-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.installation-section h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    border: 1px solid #eee;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: #FF9900;
    color: #fff;
    border-radius: 50%;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.step-item h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #000;
}

.step-item p {
    font-size: 14px;
    color: #666;
}

.faq-section {
    padding: 80px 0;
    background-color: #fff;
}

.faq-section h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.faq-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 25px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #FF9900;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.faq-item h3 {
    font-size: 16px;
    margin-bottom: 12px;
}

.faq-item h3 a {
    color: #000;
}

.faq-item h3 a:hover {
    color: #FF9900;
}

.faq-item p {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.6;
}

.faq-item .read-more {
    font-size: 12px;
    color: #FF9900;
    font-weight: 600;
}

.section-footer {
    text-align: center;
}

/* ===== 页脚 ===== */
footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #ccc;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: #FF9900;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #999;
}

.footer-bottom a {
    color: #999;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #FF9900;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .header-wrap {
        flex-wrap: wrap;
    }

    .main-nav {
        order: 3;
        width: 100%;
        margin-left: 0;
        gap: 15px;
        margin-top: 15px;
        display: none;
    }

    .main-nav.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
        order: 2;
    }

    .slide-inner {
        flex-direction: column;
        gap: 30px;
    }

    .slide-content h1,
    .slide-content h2 {
        font-size: 32px;
    }

    .slide-btns {
        flex-direction: column;
    }

    .slide-btns .btn {
        width: 100%;
    }

    .slider-prev,
    .slider-next {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .products-grid,
    .features-grid,
    .news-grid,
    .versions-grid,
    .requirements-grid,
    .steps-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .sidebar-wrap {
        grid-template-columns: 1fr;
    }

    .article-layout .container {
        grid-template-columns: 1fr;
    }

    .download-btns {
        flex-direction: column;
    }

    .download-btn {
        width: 100%;
    }

    .article-header h1 {
        font-size: 24px;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .filter-group {
        gap: 10px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .slide-content h1,
    .slide-content h2 {
        font-size: 24px;
    }

    .slide-content p {
        font-size: 14px;
    }

    .section-header h2 {
        font-size: 22px;
    }

    .section-header p {
        font-size: 14px;
    }

    .product-card,
    .feature-card,
    .version-card,
    .step-item,
    .faq-item {
        padding: 20px;
    }

    .article-header h1 {
        font-size: 20px;
    }

    .article-content {
        font-size: 14px;
    }

    .cta-section h2 {
        font-size: 22px;
    }

    .cta-section p {
        font-size: 14px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    .btn-large {
        padding: 12px 30px;
        font-size: 14px;
    }

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

    .pagination {
        gap: 4px;
    }

    .page-btn {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }
}