* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #1e2329;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background-color: #1e2329;
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            width: 100%;
        }
        
        .logo h1 {
            color: #f0b90b;
            font-size: 22px;
            margin-left: 10px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
        }
        
        nav ul li a {
            color: #eaecef;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            font-size: 16px;
        }
        
        nav ul li a:hover {
            color: #f0b90b;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #f0b90b;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 主横幅区域 */
        .hero {
            background: linear-gradient(135deg, #1e2329 0%, #3a4453 100%);
            color: white;
            padding: 80px 0 60px;
            text-align: center;
        }
        
        .hero h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: #f0b90b;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .download-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        
        .download-btn {
            display: inline-flex;
            align-items: center;
            background-color: #f0b90b;
            color: #1e2329;
            padding: 14px 28px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.3);
        }
        
        .download-btn:hover {
            background-color: #f8d33a;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(240, 185, 11, 0.4);
        }
        
        .download-btn i {
            margin-right: 10px;
            font-size: 1.4rem;
        }
        
        /* 应用介绍部分 */
        .app-intro {
            padding: 80px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            color: #1e2329;
            font-size: 2.2rem;
            position: relative;
        }
        
        .section-title:after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: #f0b90b;
            margin: 15px auto;
            border-radius: 2px;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: #f8f9fa;
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.1);
        }
        
        .feature-card i {
            font-size: 2.8rem;
            color: #f0b90b;
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            margin-bottom: 15px;
            color: #1e2329;
            font-size: 1.4rem;
        }
        
        .feature-card p {
            color: #5e6673;
        }
        
        /* 应用属性板块 */
        .app-properties {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        .property-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .property-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .property-card h3 {
            color: #1e2329;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0b90b;
            font-size: 1.5rem;
        }
        
        .property-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid #eaecef;
        }
        
        .property-item:last-child {
            border-bottom: none;
        }
        
        .property-name {
            color: #5e6673;
            font-weight: 500;
        }
        
        .property-value {
            color: #1e2329;
            font-weight: 600;
        }
        
        .property-value.highlight {
            color: #f0b90b;
        }
        
        /* 应用截图 - 优化部分 */
        .screenshots {
            padding: 80px 0;
            background-color: white;
            position: relative;
        }
        
        .screenshot-container {
            position: relative;
            max-width: 800px;
            margin: 40px auto;
            overflow: hidden;
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .screenshot-slider {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }
        
        .screenshot {
            min-width: 100%;
            position: relative;
        }
        
        .screenshot img {
            width: 100%;
            display: block;
            border-radius: 20px;
        }
        
        .screenshot-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(30, 35, 41, 0.85);
            color: white;
            padding: 15px;
            text-align: center;
            border-bottom-left-radius: 20px;
            border-bottom-right-radius: 20px;
        }
        
        .slider-nav {
            display: flex;
            justify-content: center;
            margin-top: 25px;
            gap: 10px;
        }
        
        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #c5cbd5;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .slider-dot.active {
            background: #f0b90b;
            transform: scale(1.2);
        }
        
        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(30, 35, 41, 0.8);
            color: white;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            font-size: 20px;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .slider-btn:hover {
            background: #1e2329;
            color: #f0b90b;
        }
        
        .slider-btn.prev {
            left: 20px;
        }
        
        .slider-btn.next {
            right: 20px;
        }
        
        /* 应用属性 */
        .app-attributes {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        .attributes {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .attribute {
            text-align: center;
            padding: 25px 20px;
            border-radius: 12px;
            background: white;
            transition: transform 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .attribute:hover {
            transform: translateY(-5px);
        }
        
        .attribute i {
            font-size: 2.5rem;
            color: #f0b90b;
            margin-bottom: 15px;
        }
        
        .attribute h3 {
            margin-bottom: 12px;
            color: #1e2329;
        }
        
        .attribute p {
            color: #5e6673;
        }
        
        /* 热门问答 */
        .faq {
            padding: 80px 0;
            background-color: white;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .faq-question {
            background-color: #1e2329;
            color: white;
            padding: 20px;
            cursor: pointer;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 18px;
        }
        
        .faq-answer {
            background-color: #f8f9fa;
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        
        .faq-answer.active {
            max-height: 300px;
            padding: 20px;
        }
        
        /* 下载区域 */
        .download-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1e2329 0%, #3a4453 100%);
            color: white;
            text-align: center;
        }
        
        .platform-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        
        .platform-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: rgba(255,255,255,0.1);
            padding: 25px 20px;
            border-radius: 12px;
            width: 160px;
            text-decoration: none;
            color: white;
            transition: all 0.3s;
            backdrop-filter: blur(5px);
        }
        
        .platform-btn:hover {
            background-color: rgba(240, 185, 11, 0.2);
            transform: translateY(-5px);
        }
        
        .platform-btn i {
            font-size: 2.8rem;
            margin-bottom: 15px;
        }
        
        .platform-btn span {
            font-weight: 600;
        }
        
        .platform-btn small {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 5px;
        }
        
        /* 官方公告 */
        .announcements {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        .announcement-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .announcement-item {
            padding: 25px;
            border-bottom: 1px solid #eaecef;
            transition: background 0.3s;
            background: white;
            border-radius: 8px;
            margin-bottom: 15px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        
        
        .announcement-item { color: #f0f2f5; }

/* 链接继承容器颜色，并保持下划线颜色一致 */
.announcement-item a {
  color: inherit;
  text-decoration-color: currentColor;
}

/* 按 LVHA 顺序覆盖所有链接状态 */
.announcement-item a:link,
.announcement-item a:visited,
.announcement-item a:hover,
.announcement-item a:active {
  color: inherit;
}
        .announcement-item h3 {
            color: #1e2329;
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        
        .announcement-item p {
            color: #5e6673;
            margin-bottom: 10px;
        }
        
        .announcement-date {
            color: #707a8a;
            font-size: 0.9rem;
        }
        
        /* 底部广告条 */
        .sticky-download-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: #1e2329;
            color: white;
            padding: 18px 0;
            text-align: center;
            z-index: 1000;
            box-shadow: 0 -5px 15px rgba(0,0,0,0.15);
        }
        
        .sticky-download-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .sticky-download-bar p {
            margin: 0;
            font-size: 1.1rem;
        }
        
        .sticky-btn {
            background-color: #f0b90b;
            color: #1e2329;
            padding: 10px 25px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .sticky-btn:hover {
            background-color: #f8d33a;
            transform: scale(1.05);
        }
        
        /* 版权信息 */
        footer {
            background-color: #1e2329;
            color: #eaecef;
            padding: 80px 0 140px;
            margin-top: 80px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        
        .footer-column h3 {
            color: #f0b90b;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 12px;
        }
        
        .footer-column ul li a {
            color: #eaecef;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 15px;
        }
        
        .footer-column ul li a:hover {
            color: #f0b90b;
        }
        
        .copyright {
            text-align: center;
            margin-top: 60px;
            padding-top: 25px;
            border-top: 1px solid #3a4453;
            color: #707a8a;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            nav {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h2 {
                font-size: 2.2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
                padding: 0 15px;
            }
            
            .download-buttons {
                flex-direction: column;
                align-items: center;
                padding: 0 20px;
            }
            
            .download-btn {
                width: 100%;
                justify-content: center;
                margin-bottom: 15px;
            }
            
            .property-grid {
                grid-template-columns: 1fr;
            }
            
            .slider-btn {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            
            .slider-btn.prev {
                left: 10px;
            }
            
            .slider-btn.next {
                right: 10px;
            }
            
            .platform-buttons {
                gap: 15px;
            }
            
            .platform-btn {
                width: 140px;
                padding: 20px 15px;
            }
            
            .sticky-download-bar .container {
                flex-direction: column;
                gap: 15px;
            }
            
            .sticky-download-bar p {
                text-align: center;
            }
        }