/* 全局样式重置 */ * { margin: 0; padding: 0; box-sizing: border-box;
}
html { scroll-behavior: smooth;
}
body { font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: #333; overflow-x: hidden;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
/* 导航栏样式 */ .navbar { position: fixed; top: 0; width: 100%; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); z-index: 1000; box-shadow: 0 2px 20px 
    rgba(0, 0, 0, 0.1); transition: all 0.3s ease;
}
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; height: 70px;
}
.nav-logo { display: flex; align-items: center; gap: 10px;
}
.logo-img { width: 40px; height: 40px;
}
.logo-text { font-size: 24px; font-weight: bold; color: #2E86AB;
}
.nav-menu { display: flex; list-style: none; gap: 30px;
}
.nav-link { text-decoration: none; color: #333; font-weight: 500; transition: color 0.3s ease; position: relative;
}
.nav-link:hover { color: #2E86AB;
}
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: #2E86AB; transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%;
}
.nav-toggle { display: none; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; padding: 12px; min-width: 48px; min-height: 48px; position: relative; z-index: 1001; -webkit-tap-highlight-color: transparent; touch-action: manipulation; user-select: none;
}
.bar { width: 25px; height: 3px; background: #333; margin: 3px 0; transition: 0.3s; pointer-events: none;
}
/* 主页横幅样式 */ .hero { padding: 120px 0 80px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; min-height: 100vh; display: flex; align-items: 
    center;
}
.hero-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center;
}
.hero-title { font-size: 3.5rem; font-weight: bold; margin-bottom: 20px; line-height: 1.2;
}
.hero-subtitle { font-size: 1.3rem; margin-bottom: 30px; opacity: 0.9;
}
.hero-features { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px;
}
.feature-item { display: flex; align-items: center; gap: 15px; font-size: 1.1rem;
}
.feature-item i { font-size: 1.3rem; color: #FFD700;
}
.hero-buttons { display: flex; gap: 20px;
}
.btn { display: inline-block; padding: 15px 30px; text-decoration: none; border-radius: 50px; font-weight: 600; transition: all 0.3s ease; text-align: center; border: none; 
    cursor: pointer; font-size: 1rem;
}
.btn-primary { background: #FFD700; color: #333;
}
.btn-primary:hover { background: #FFC800; transform: translateY(-2px); box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
}
.btn-secondary { background: transparent; color: white; border: 2px solid white;
}
.btn-secondary:hover { background: white; color: #333; transform: translateY(-2px);
}
.btn-vip { background: #1eb5a6; color: white; border: 2px solid #17a085;
}
.btn-vip:hover { background: #17a085; color: white; transform: translateY(-2px); box-shadow: 0 10px 25px rgba(30, 181, 166, 0.4);
}
.nav-link-vip { color: #1eb5a6 !important; font-weight: 600;
}
.nav-link-vip:hover { color: #17a085 !important;
}
.hero-image { text-align: center; display: flex; align-items: center; justify-content: center;
}
.app-screenshot { width: 100%; max-width: 720px; height: auto; border-radius: 0; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); transition: transform 0.3s ease;
}
.app-screenshot:hover { transform: scale(1.05);
}
/* 横幅下单独展示应用截图 */
.hero-showcase { background: #f8f9fa; padding: 60px 0 80px;
}
.hero-showcase-image { text-align: center;
}
.hero-showcase-video { width: 100%; max-width: 1120px; height: auto; border-radius: 0; box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18); display: block; margin: 0 auto;
}
/* 功能特性样式 */ .features { padding: 100px 0; background: #f8f9fa;
}
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 60px; color: #2E86AB; position: relative;
}
.section-title::after { content: ''; position: absolute; bottom: -15px; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background: #2E86AB; border-radius: 
    2px;
}
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px;
}
.feature-card { background: white; padding: 40px 30px; border-radius: 20px; text-align: center; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); transition: all 0.3s ease; border: 
    1px solid #e9ecef;
}
.feature-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}
.feature-icon { width: 80px; height: 80px; background: linear-gradient(135deg, #2E86AB, #4A90E2); border-radius: 50%; display: flex; align-items: center; justify-content: 
    center; margin: 0 auto 25px;
}
.feature-icon i { font-size: 2rem; color: white;
}
.feature-card h3 { font-size: 1.5rem; margin-bottom: 20px; color: #2E86AB;
}
.feature-card p { color: #666; line-height: 1.6;
}
/* 价格区域（与功能卡、下载卡风格一致） */ .pricing { padding: 100px 0; background: #f8f9fa;
}
.pricing-sub { text-align: center; color: #666; font-size: 1rem; margin-bottom: 40px;
}
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; max-width: 900px; margin: 0 auto;
}
.pricing-card { background: white; padding: 40px 30px; border-radius: 20px; text-align: center; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); transition: all 0.3s ease; border: 1px solid #e9ecef; position: relative;
}
.pricing-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}
.pricing-card-featured { border: 1px solid #e9ecef; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.pricing-card-featured:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}
.pricing-badge { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: #2E86AB; color: #fff; font-size: 12px; padding: 4px 14px; border-radius: 20px;
}
.pricing-card h3 { font-size: 1.5rem; margin-bottom: 20px; color: #2E86AB;
}
.pricing-price { margin-bottom: 8px;
}
.pricing-price .currency { font-size: 1.1rem; color: #2E86AB;
}
.pricing-price .amount { font-size: 2rem; font-weight: bold; color: #2E86AB;
}
.pricing-price .period { font-size: 0.95rem; color: #666;
}
.pricing-save { color: #28a745; font-size: 0.9rem; margin-bottom: 4px;
}
.pricing-desc { color: #666; line-height: 1.6; margin-bottom: 20px;
}
.btn-pricing { display: inline-block; padding: 12px 28px; background: linear-gradient(135deg, #2E86AB, #4A90E2); color: #fff; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 1rem; transition: all 0.3s ease; border: none; cursor: pointer;
}
.btn-pricing:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(46, 134, 171, 0.35);
}
/* 下载区域样式 */ .download { padding: 100px 0; background: white;
}
.download-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 900px; margin: 0 auto;
}
@media (max-width: 768px) {
.download-options { grid-template-columns: 1fr; }
}
.download-card { background: #f8f9fa; padding: 30px; border-radius: 15px; text-align: center; border: 2px solid #e9ecef; transition: all 0.3s ease;
}
.download-card:hover { border-color: #2E86AB; transform: translateY(-5px); box-shadow: 0 15px 30px rgba(46, 134, 171, 0.1);
}
.download-icon { font-size: 3rem; color: #2E86AB; margin-bottom: 20px;
}
.download-card h4 { font-size: 1.3rem; margin-bottom: 10px; color: #333;
}
.download-card p { color: #666; margin-bottom: 25px;
}
.btn-download { background: #2E86AB; color: white; padding: 12px 25px; border-radius: 25px; display: inline-flex; align-items: center; gap: 10px; transition: all 0.3s ease;
}
.btn-download:hover { background: #1e5a7a; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(46, 134, 171, 0.3);
}
.download-note { grid-column: 1 / -1; background: #e3f2fd; padding: 20px; border-radius: 10px; border-left: 4px solid #2196f3; margin-top: 30px;
}
.download-note p { color: #1976d2; margin: 0; display: flex; align-items: center; gap: 10px;
}
/* 使用教程样式 */ .tutorial { padding: 100px 0; background: #f8f9fa;
}
.tutorial-steps { display: flex; flex-direction: column; gap: 40px; max-width: 800px; margin: 0 auto;
}
.step { display: flex; align-items: flex-start; gap: 30px; padding: 30px; background: white; border-radius: 15px; box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08); transition: 
    transform 0.3s ease;
}
.step:hover { transform: translateX(10px);
}
.step-number { width: 60px; height: 60px; background: linear-gradient(135deg, #2E86AB, #4A90E2); color: white; border-radius: 50%; display: flex; align-items: center; 
    justify-content: center; font-size: 1.5rem; font-weight: bold; flex-shrink: 0;
}
.step-content h3 { font-size: 1.4rem; margin-bottom: 15px; color: #2E86AB;
}
.step-content p { color: #666; line-height: 1.6;
}
/* 关于我们样式 */ .about { padding: 100px 0; background: white;
}
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-text h3 { font-size: 2rem; margin-bottom: 25px; color: #2E86AB;
}
.about-text p { font-size: 1.1rem; color: #666; margin-bottom: 20px; line-height: 1.6;
}
.contact-info { margin-top: 30px; padding: 25px; background: #f8f9fa; border-radius: 15px;
}
.contact-info h4 { font-size: 1.2rem; margin-bottom: 15px; color: #333;
}
.contact-info p { margin: 10px 0; color: #666; display: flex; align-items: center; gap: 10px;
}
.contact-info i { color: #2E86AB; width: 20px;
}
.about-image { text-align: center;
}
.about-img { max-width: 100%; height: auto; border-radius: 20px; box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
/* 页脚样式 */ .footer { background: #2c3e50; color: white; padding: 60px 0 20px;
}
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px;
}
.footer-section h4 { font-size: 1.3rem; margin-bottom: 20px; color: #FFD700;
}
.footer-section p { color: #bdc3c7; margin-bottom: 20px; line-height: 1.6;
}
.footer-section ul { list-style: none;
}
.footer-section ul li { margin-bottom: 10px;
}
.footer-section ul li a { color: #bdc3c7; text-decoration: none; transition: color 0.3s ease;
}
.footer-section ul li a:hover { color: #FFD700;
}
.social-links { display: flex; gap: 15px;
}
.social-link { width: 40px; height: 40px; background: #34495e; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: 
    none; transition: all 0.3s ease;
}
.social-link:hover { background: #FFD700; color: #333; transform: translateY(-3px);
}
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #34495e; color: #95a5a6;
}
.footer-bottom .icp-info,
.footer-bottom .icp-info a { color: #95a5a6; text-decoration: none;
}
.footer-bottom .icp-info a:hover { color: #bdc3c7; text-decoration: underline;
}
.footer-bottom .icp-info .separator { color: #95a5a6;
}
/* 返回顶部按钮 */ .back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: #2E86AB; color: white; border: none; border-radius: 50%; 
    cursor: pointer; display: none; align-items: center; justify-content: center; font-size: 1.2rem; transition: all 0.3s ease; z-index: 1000;
}
.back-to-top:hover { background: #1e5a7a; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(46, 134, 171, 0.3);
}
.back-to-top.show { display: flex;
}
/* 响应式设计 */ @media (max-width: 768px) { .nav-menu { position: fixed; left: -100%; top: 70px; flex-direction: column; background-color: white; width: 100%; text-align: 
        center; transition: 0.3s; box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05); padding: 20px 0;
    }
    .nav-menu.active { left: 0;
    }
    .nav-toggle { display: flex;
    }
    .nav-menu { z-index: 1000;
    }
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px;
    }
    .hero-title { font-size: 2.5rem;
    }
    .hero-buttons { flex-direction: column; align-items: center;
    }
    .features-grid { grid-template-columns: 1fr;
    }
    .download-content { grid-template-columns: 1fr; gap: 40px;
    }
    .download-options { grid-template-columns: 1fr;
    }
    .about-content { grid-template-columns: 1fr; text-align: center;
    }
    .step { flex-direction: column; text-align: center;
    }
    .footer-content { grid-template-columns: 1fr; text-align: center;
    }
}
@media (max-width: 480px) { .container { padding: 0 15px;
    }
    .hero-title { font-size: 2rem;
    }
    .section-title { font-size: 2rem;
    }
    .feature-card { padding: 30px 20px;
    }
    .download-card { padding: 25px 20px;
    }
}
/* 动画效果 */ @keyframes fadeInUp { from { opacity: 0; transform: translateY(30px);
    }
    to { opacity: 1; transform: translateY(0);
    }
}
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-30px);
    }
    to { opacity: 1; transform: translateX(0);
    }
}
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px);
    }
    to { opacity: 1; transform: translateX(0);
    }
}
.fade-in-up { animation: fadeInUp 0.8s ease-out;
}
.fade-in-left { animation: fadeInLeft 0.8s ease-out;
}
.fade-in-right { animation: fadeInRight 0.8s ease-out;
}
/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #2E86AB; border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #1e5a7a;
}