/* _c3owmr4ne */
* {padding: 0;box-sizing: border-box;margin: 0}

:root {--shadow: 0 4px 6px rgba(0, 0, 0, 0.1);--bg-color: #f5f5f5;--text-color: #333;--shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);--primary-color: #c8102e;--secondary-color: #1a1a2e;--text-light: #666;--accent-color: #ffd700;--white: #ffffff}

body {color: var(--text-color);line-height: 1.6;font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;overflow-x: hidden}

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

/* 导航栏 */
.navbar {transition: all 0.3s ease;top: 0;position: fixed;width: 100%;box-shadow: var(--shadow);height: 86px;z-index: 1000;background: #000000}

/* 分割线 */
.divider {left: 0;z-index: 999;background-color: #1a1a1a;position: fixed;top: 86px;height: 20px;width: 100%}

.navbar .container {max-width: 100%;justify-content: flex-start;padding: 0 40px;align-items: center;gap: 35rem;height: 100%;display: flex}

.nav-brand {height: 100%;align-items: center;flex-shrink: 0;display: flex}

.logo {height: 53px;width: 432px;object-fit: contain}

.nav-menu {align-items: center;padding: 0;margin: 0;display: flex;list-style: none;margin-left: 0;gap: 2.5rem}

.nav-menu li {position: relative}

.nav-menu a {position: relative;font-size: 1.1rem;font-weight: 500;display: block;padding: 0.5rem 0;text-decoration: none;transition: all 0.3s ease;color: var(--white)}

.nav-menu a::after {position: absolute;transition: width 0.3s ease;left: 0;bottom: 0;width: 0;background: var(--accent-color);height: 2px;content: ''}

.nav-menu a:hover {color: var(--accent-color)}

.nav-menu a:hover::after {width: 100%}

.hamburger {gap: 4px;cursor: pointer;flex-direction: column;display: none}

.hamburger span {background: var(--white);width: 20px;height: 2px;transition: all 0.3s ease}

/* Hero区域 */
.hero {width: 100%;background-image: url('../images/BN-4.jpg');background-size: cover;margin: 106px auto 0;background-repeat: no-repeat;background-color: #1a1a1a;background-position: center;height: 500px}

.hero-content {align-items: center;display: flex;height: 100%;justify-content: flex-start;padding-left: 50px}

.hero-text {flex-direction: column;gap: 30px;align-items: flex-start;display: flex;justify-content: center}

/* 标题样式 */
.hero-title {height: 72px;display: flex;align-items: center;margin: 0;justify-content: flex-start;color: #ffffff;padding: 0;text-align: left;width: 500px}

/* 文本区域样式 */
.hero-description-wrapper {display: flex;height: 74px;justify-content: flex-start;padding: 0;width: 500px;margin: 0;align-items: center}

.hero-description {text-align: left;padding: 0;color: #ffffff;margin: 0}

/* 按钮区域样式 */
.hero-buttons {height: 48px;width: 467px;justify-content: flex-start;margin: 0;align-items: center;gap: 16px;display: flex;padding: 0}

/* 按钮样式 */
.hero-buttons .btn {border: none;background-size: cover;cursor: pointer;text-decoration: none;height: 48px;width: 145px;display: block;background-position: center;margin: 0;background-repeat: no-repeat;padding: 0}

.btn-1 {background-image: url('../images/btn-1.png')}

.btn-2 {background-image: url('../images/btn-2.png')}

.btn-3 {background-image: url('../images/btn-3.png')}

/* 新闻资讯 */
.news {background-color: #1a1a1a;padding: 5rem 0;position: relative;background-position: center;background-repeat: no-repeat;background-size: cover;overflow: hidden;background-image: url('../images/news-bg.jpg')}

.news::before {background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);top: 0;right: 0;pointer-events: none;position: absolute;width: 300px;height: 300px;content: ''}

.news-title {font-weight: 700;margin-bottom: 2rem;line-height: 1.2;padding-left: 20px;color: #ffffff;font-size: 2.5rem}

.news-grid {gap: 2rem;padding: 0 20px;grid-template-columns: repeat(3, 1fr);display: grid}

.news-card {transition: transform 0.3s ease, box-shadow 0.3s ease;overflow: hidden;background: #2a2a2a;border-radius: 15px;cursor: pointer}

.news-card:hover {transform: translateY(-5px);box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5)}

.news-banner {position: relative;overflow: hidden;width: 100%;height: 200px}

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

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

.news-content {padding: 1.5rem}

.news-card-title {-webkit-line-clamp: 2;line-height: 1.4;-webkit-box-orient: vertical;line-clamp: 2;display: -webkit-box;font-size: 1.1rem;overflow: hidden;color: #ffffff;margin-bottom: 0.75rem;font-weight: 600}

.news-card-description {-webkit-box-orient: vertical;margin-bottom: 1rem;line-clamp: 3;display: -webkit-box;-webkit-line-clamp: 3;color: #999999;font-size: 0.9rem;overflow: hidden;line-height: 1.6}

.news-date {color: #c8102e;font-size: 0.85rem;font-weight: 500}

/* 手机App展示 */
.app-showcase {background: #1a1a1a;padding: 5rem 0}

.app-showcase-header {margin-bottom: 3rem;padding: 0 20px;text-align: center}

.app-showcase-title {font-size: 2.5rem;margin-bottom: 1.5rem;text-align: center;color: #ffffff;font-weight: 700}

.app-showcase-description {margin: 0 auto;font-size: 1.1rem;max-width: 800px;text-align: center;line-height: 1.8;color: rgba(255, 255, 255, 0.8)}

.app-images-grid {-webkit-overflow-scrolling: touch;overflow-x: auto;justify-content: center;flex-direction: row;flex-wrap: nowrap;align-items: center;padding: 0 20px;display: flex;scroll-snap-type: x proximity;gap: 1.5rem}

.app-image-item {flex: 0 0 auto;scroll-snap-align: start;transition: transform 0.3s ease, box-shadow 0.3s ease;overflow: hidden;height: 400px;width: 200px;border-radius: 20px;box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2)}

.app-image-item:hover {box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);transform: translateY(-10px)}

.app-image-item img {display: block;width: 100%;object-fit: cover;height: 100%}

/* 背景图片板块 */
.banner-section {display: flex;justify-content: center;align-items: flex-start;background-repeat: no-repeat;background-position: center;height: 900px;background-image: url('../images/banner-section.jpg');background-size: cover;width: 100%;background-color: #1a1a1a;position: relative}

.banner-section::before {width: 100%;content: '';background: rgba(0, 0, 0, 0.4);height: 100%;top: 0;position: absolute;left: 0;z-index: 1}

.banner-section .container {position: relative;padding-top: 3rem;width: 100%;z-index: 2}

.banner-content {text-align: center;margin: 0 auto;padding: 0 20px;max-width: 800px}

.banner-title {text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);font-weight: 700;font-size: 3.5rem;margin-bottom: 2rem;line-height: 1.2;color: #ffffff}

.banner-description {font-size: 1.2rem;text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6);color: rgba(255, 255, 255, 0.95);line-height: 1.8}

/* 红龙官方APP新版 */
.app-preview {background-image: url('../images/app-preview-bg.jpg');background-size: cover;background-position: center;background-repeat: no-repeat;padding: 5rem 0;position: relative;background: #1a1a1a;overflow: hidden}

.app-preview::before {z-index: 1;width: 100%;left: 0;content: '';top: 0;height: 100%;position: absolute;background: rgba(0, 0, 0, 0.6)}

.app-preview .container {z-index: 2;position: relative}

.app-preview-header {text-align: center;padding: 0 20px;margin-bottom: 4rem}

.app-preview-title {color: #c8102e;background: rgba(200, 16, 46, 0.1);border-radius: 10px;font-weight: 700;padding: 1rem 2rem;display: inline-block;border: 2px solid rgba(200, 16, 46, 0.3);font-size: 3rem;margin-bottom: 1.5rem}

.app-preview-desc {color: rgba(255, 255, 255, 0.9);max-width: 800px;font-size: 1.1rem;margin: 0 auto;line-height: 1.8}

.app-preview-phones {padding: 0 20px;gap: 2rem;display: flex;justify-content: center;flex-wrap: wrap;align-items: center}

.phone-item {border-radius: 30px;padding: 10px;max-width: 100%;background: #000;box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);flex: 0 0 auto;height: auto;overflow: hidden;width: 300px;transition: transform 0.3s ease, box-shadow 0.3s ease}

.phone-item:hover {transform: translateY(-10px) scale(1.02);box-shadow: 0 30px 80px rgba(200, 16, 46, 0.4)}

.phone-item img {height: auto;border-radius: 25px;display: block;width: 100%}

/* 文章正文 */
.article {padding: 5rem 0;background: var(--bg-color)}

.article-content {padding: 0 20px;max-width: 900px;margin: 0 auto;text-align: center}

.article-title {color: var(--secondary-color);line-height: 1.3;margin-bottom: 1.5rem;text-align: center;font-weight: 700;font-size: 2.5rem}

.article-meta {border-bottom: 1px solid #e0e0e0;gap: 1.5rem;display: flex;margin-bottom: 2.5rem;padding-bottom: 1.5rem}

.article-date,
.article-author {color: var(--text-light);font-size: 0.95rem}

.article-date::before {content: '📅 '}

.article-author::before {content: '✍️ '}

.article-body {color: var(--text-color);line-height: 1.8}

.article-body p {margin-bottom: 1.5rem;font-size: 1.05rem}

.article-body h2 {color: var(--secondary-color);margin-bottom: 1rem;font-size: 1.8rem;font-weight: 600;margin-top: 2.5rem}

.article-body h3 {margin-top: 2rem;margin-bottom: 1rem;font-size: 1.5rem;color: var(--secondary-color);font-weight: 600}

.article-body ul,
.article-body ol {margin-bottom: 1.5rem;padding-left: 2rem}

.article-body li {font-size: 1.05rem;margin-bottom: 0.75rem}

.article-body strong {font-weight: 600;color: var(--secondary-color)}

.article-body a {transition: color 0.3s ease;text-decoration: none;color: var(--primary-color)}

.article-body a:hover {color: #a00d26;text-decoration: underline}

.article-body {text-align: left}

.article-keywords {display: flex;border-top: 1px solid #e0e0e0;gap: 0.75rem;padding-top: 2rem;justify-content: center;margin-top: 3rem;flex-wrap: wrap}

.keyword-tag {padding: 0.5rem 1rem;transition: all 0.3s ease;font-size: 0.9rem;border-radius: 20px;background: #f5f5f5;color: var(--text-color);display: inline-block;border: 1px solid #e0e0e0}

.keyword-tag:hover {transform: translateY(-2px);box-shadow: 0 4px 8px rgba(200, 16, 46, 0.2);border-color: var(--primary-color);background: var(--primary-color);color: #ffffff}

/* 特色功能 */
.features {padding: 5rem 0;background: var(--bg-color)}

.section-title {margin-bottom: 1rem;color: var(--secondary-color);text-align: center;font-size: 2.5rem}

.section-subtitle {color: var(--text-light);text-align: center;margin-bottom: 3rem;font-size: 1.2rem}

.features-grid {grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));gap: 2rem;display: grid;margin-top: 3rem}

.feature-card {box-shadow: var(--shadow);text-align: center;background: var(--white);padding: 2rem;transition: all 0.3s ease;border-radius: 15px}

.feature-card:hover {transform: translateY(-10px);box-shadow: var(--shadow-lg)}

.feature-icon {font-size: 3rem;margin-bottom: 1rem}

.feature-card h3 {color: var(--secondary-color);font-size: 1.5rem;margin-bottom: 1rem}

.feature-card p {color: var(--text-light);line-height: 1.8}

/* 下载区域 */
.download {padding: 5rem 0;background: var(--white)}

.download-grid {gap: 2rem;display: grid;grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));margin-top: 3rem}

.download-card {border-radius: 15px;padding: 2.5rem;background: linear-gradient(135deg, var(--secondary-color) 0%, #16213e 100%);box-shadow: var(--shadow);transition: all 0.3s ease;color: var(--white);text-align: center}

.download-card:hover {transform: translateY(-10px);box-shadow: var(--shadow-lg)}

.download-icon {font-size: 4rem;margin-bottom: 1rem}

.download-card h3 {font-size: 1.5rem;margin-bottom: 0.5rem}

.download-card p {opacity: 0.9;margin-bottom: 1.5rem}

/* 联系我们 */
.contact {background: var(--bg-color);padding: 5rem 0}

.contact-content {gap: 3rem;grid-template-columns: 1fr 1fr;display: grid;margin-top: 3rem}

.contact-info {gap: 2rem;flex-direction: column;display: flex}

.contact-item {align-items: flex-start;display: flex;gap: 1.5rem}

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

.contact-item h3 {color: var(--secondary-color);margin-bottom: 0.5rem}

.contact-item p {color: var(--text-light)}

.contact-form {border-radius: 15px;padding: 2rem;background: var(--white);box-shadow: var(--shadow)}

.contact-form h3 {color: var(--secondary-color);margin-bottom: 1.5rem}

.contact-form input,
.contact-form textarea {border-radius: 5px;border: 1px solid #ddd;padding: 0.75rem;margin-bottom: 1rem;font-size: 1rem;font-family: inherit;width: 100%}

.contact-form textarea {resize: vertical}

/* 页脚 */
.footer {padding: 3rem 0 1.5rem;margin-top: 0;color: #ffffff;background: #1a1a1a}

.footer-content {margin-bottom: 2rem;display: grid;gap: 3rem;grid-template-columns: 1fr 2fr}

.footer-brand {gap: 1rem;display: flex;flex-direction: column}

.footer-logo {width: auto;object-fit: contain;height: 50px}

.footer-desc {color: rgba(255, 255, 255, 0.7);font-size: 0.9rem;line-height: 1.6}

.footer-links {grid-template-columns: repeat(3, 1fr);gap: 2rem;display: grid}

.footer-column h4 {color: #ffffff;margin-bottom: 1rem;font-size: 1.1rem;font-weight: 600}

.footer-column ul {margin: 0;list-style: none;padding: 0}

.footer-column ul li {margin-bottom: 0.75rem}

.footer-column ul li a {color: rgba(255, 255, 255, 0.7);font-size: 0.9rem;text-decoration: none;transition: color 0.3s ease}

.footer-column ul li a:hover {color: #ff69b4}

.footer-bottom {text-align: center;border-top: 1px solid rgba(255, 255, 255, 0.1);padding-top: 2rem}

.footer-bottom p {color: rgba(255, 255, 255, 0.7);margin-bottom: 0.5rem;font-size: 0.9rem}

.footer-disclaimer {font-size: 0.85rem;color: #ff69b4}

/* 响应式设计 */
@media (max-width: 768px) {.navbar {
        width: 100%;height: 68px}

    .logo {height: 32px;width: 200px}

    .hamburger {display: flex}

    .nav-menu {padding: 2rem 0;width: 100%;background: #000000;left: -100%;position: fixed;transition: 0.3s;text-align: center;top: 88px;flex-direction: column;box-shadow: var(--shadow)}

    .nav-menu.active {left: 0}

    .divider {top: 68px}

    .hero {background-repeat: no-repeat;background-image: url('../images/mb-BN-h5.jpg');height: 214px;background-size: cover;background-color: #1a1a1a;margin: 88px auto 0;background-position: center;width: 100%}

    .hero-content {padding-left: 30px}

    .hero-text {gap: 10px;align-items: flex-start}

    /* 移动端标题和文本区域容器 - 总高度134px */
    .hero-title,
    .hero-description-wrapper {margin-left: 0;width: 172px}

    /* 移动端标题样式 */
    .hero-title {align-items: center;width: 172px;height: 60px;text-align: left;margin: 0;justify-content: flex-start;display: flex;font-size: 1.2rem;padding: 0}

    /* 移动端文本区域样式 */
    .hero-description-wrapper {align-items: center;padding: 0;width: 172px;display: flex;margin: 0;height: 64px;justify-content: flex-start}

    .hero-description {margin: 0;padding: 0;line-height: 1.3;font-size: 0.75rem;text-align: left}

    /* 移动端按钮区域样式 */
    .hero-buttons {min-height: 36px;width: 100%;display: flex;transform: translateX(15px);justify-content: center;margin: 0 auto;gap: 8px;align-items: center;height: auto;max-width: 280px}

    /* 移动端按钮样式 */
    .hero-buttons .btn {background-size: contain;height: 36px;width: 88px}


    .news-title {font-size: 1.8rem;line-height: 1.2;margin-bottom: 1.5rem;padding-left: 15px}

    .news-grid {padding: 0 15px;overflow-x: auto;scrollbar-width: thin;display: flex;scroll-snap-type: x mandatory;gap: 1rem;flex-direction: row;-webkit-overflow-scrolling: touch}

    .news-card {border-radius: 10px;scroll-snap-align: start;min-width: 280px}

    .news-banner {height: 180px}

    .news-content {padding: 1rem}

    .news-card-title {font-size: 1rem;margin-bottom: 0.5rem}

    .news-card-description {margin-bottom: 0.75rem;font-size: 0.85rem}

    .news-date {font-size: 0.8rem}

    .app-showcase-header {padding: 0 15px;margin-bottom: 2rem}

    .app-showcase-title {font-size: 2rem;margin-bottom: 1rem}

    .app-showcase-description {padding: 0 15px;line-height: 1.6;font-size: 0.9rem}

    .app-images-grid {scroll-snap-type: x proximity;padding: 0 15px;justify-content: flex-start;gap: 1rem}

    .app-image-item {width: 160px;border-radius: 15px;height: 320px;scroll-snap-align: start;min-width: 160px}

    .app-preview {padding: 3rem 0}

    .app-preview-header {margin-bottom: 2.5rem;padding: 0 15px}

    .app-preview-title {font-size: 1.8rem;padding: 0.75rem 1.5rem}

    .app-preview-desc {padding: 0 15px;font-size: 1rem}

    .app-preview-phones {padding: 0 15px;gap: 1.5rem;flex-direction: column}

    .phone-item {width: 100%;max-width: 280px}

    .banner-section {height: 356px}

    .banner-section .container {padding-top: 1.5rem}

    .banner-content {padding: 0 15px}

    .banner-title {margin-bottom: 0.75rem;font-size: 1.3rem}

    .banner-description {font-size: 0.8rem;line-height: 1.5}

    .article-title {margin-bottom: 1rem;font-size: 2rem}

    .article-meta {flex-direction: column;margin-bottom: 2rem;padding-bottom: 1rem;gap: 0.75rem}

    .article-content {padding: 0 15px}

    .article-body p {margin-bottom: 1.25rem;font-size: 1rem}

    .article-body h2 {margin-bottom: 0.75rem;margin-top: 2rem;font-size: 1.5rem}

    .article-body h3 {margin-bottom: 0.75rem;margin-top: 1.5rem;font-size: 1.3rem}

    .article-body ul,
    .article-body ol {padding-left: 1.5rem}

    .article-body li {margin-bottom: 0.5rem;font-size: 1rem}

    .article-keywords {margin-top: 2rem;padding-top: 1.5rem;gap: 0.5rem}

    .keyword-tag {padding: 0.4rem 0.8rem;font-size: 0.8rem}

    .footer-content {gap: 2rem;grid-template-columns: 1fr}

    .footer-links {gap: 1.5rem;grid-template-columns: 1fr}

    .footer-column {margin-bottom: 1.5rem}

    .footer-logo {height: 40px}

    .footer-bottom {padding-top: 1.5rem}

    .footer-bottom p {font-size: 0.85rem}

    .footer-disclaimer {font-size: 0.8rem}

    .features-grid,
    .download-grid {grid-template-columns: 1fr}

    .contact-content {grid-template-columns: 1fr}

    .section-title {font-size: 2rem}
}


/* 平滑滚动 */
html {scroll-behavior: smooth}

/* 动画效果 */
@keyframes fadeInUp {from {
        opacity: 0;transform: translateY(30px)}
    to {transform: translateY(0);opacity: 1}
}

.feature-card,
.download-card {animation: fadeInUp 0.6s ease-out}


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