/* _czfwkh44l */
* {padding: 0;margin: 0;box-sizing: border-box}

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

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

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

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

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

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

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

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

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

.nav-menu li {position: relative}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.news-content {padding: 1.5rem}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.article-date::before {content: '📅 '}

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

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

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

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

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

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

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

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

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

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

.article-body {text-align: left}

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

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

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

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

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

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

.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);border-radius: 15px;padding: 2rem;transition: all 0.3s ease}

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

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

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

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

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

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

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

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

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

.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 {padding: 5rem 0;background: var(--bg-color)}

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

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

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

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

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

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

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

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

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

.contact-form textarea {resize: vertical}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    .hamburger {display: flex}

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

    .nav-menu.active {left: 0}

    .divider {top: 68px}

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

    .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 {display: flex;align-items: center;margin: 0;font-size: 1.2rem;justify-content: flex-start;height: 60px;padding: 0;width: 172px;text-align: left}

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

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

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

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


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

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

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

    .news-banner {height: 180px}

    .news-content {padding: 1rem}

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

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

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

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

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

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

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

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

    .app-preview {padding: 3rem 0}

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

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

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

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

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

    .article-content {padding: 0 15px}

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

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

    .article-body h3 {margin-top: 1.5rem;margin-bottom: 0.75rem;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;gap: 0.5rem;padding-top: 1.5rem}

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

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

    .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 {opacity: 1;transform: translateY(0)}
}

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


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