* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
}
body { 
    background: #0b0e1a; 
    color: #f0f4ff; 
    line-height: 1.6; 
    overflow-x: hidden; 
}
a { 
    text-decoration: none; 
    color: inherit; 
}
.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

/* 顶部导航 */
header { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    background: rgba(11, 14, 26, 0.85); 
    backdrop-filter: blur(10px); 
    border-bottom: 1px solid rgba(255, 255, 255, 0.05); 
    z-index: 999; 
}
.nav-inner { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    height: 70px; 
}
.nav-logo { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
}
.nav-logo img { 
    width: 40px; 
    height: 40px; 
    border-radius: 12px; 
    object-fit: cover; 
}
.nav-logo span { 
    font-size: 24px; 
    font-weight: bold; 
    background: linear-gradient(135deg, #4d8aff, #00e5ff); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}
.nav-links { 
    display: flex; 
    align-items: center; 
    gap: 30px; 
}
.nav-links a { 
    font-size: 15px; 
    color: #a2adc7; 
    transition: color 0.3s; 
}
.nav-links a:hover, .nav-links a.active { 
    color: #00e5ff; 
}
.btn-download-nav { 
    padding: 8px 20px; 
    background: linear-gradient(135deg, #4d8aff, #7b6bff); 
    border-radius: 20px; 
    color: #fff !important; 
    font-weight: bold; 
    font-size: 14px; 
    transition: transform 0.2s; 
}
.btn-download-nav:hover { 
    transform: scale(1.05); 
    box-shadow: 0 0 15px rgba(77, 138, 255, 0.5); 
}
.menu-toggle { 
    display: none; 
    cursor: pointer; 
    font-size: 28px; 
    color: #fff; 
}

/* 首屏 Hero */
.hero { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    min-height: 90vh; 
    padding-top: 70px; 
    position: relative; 
}
.hero-content { 
    flex: 1; 
    max-width: 600px; 
    padding-right: 40px; 
}
.hero-title { 
    font-size: 58px; 
    font-weight: bold; 
    line-height: 1.2; 
    margin-bottom: 20px; 
}
.hero-title .highlight { 
    color: #00e5ff; 
}
.hero-desc { 
    font-size: 18px; 
    color: #a2adc7; 
    margin-bottom: 40px; 
}
.hero-buttons { 
    display: flex; 
    gap: 20px; 
    align-items: center; 
}
.btn-primary { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    padding: 18px 40px; 
    background: linear-gradient(135deg, #4d8aff, #7b6bff); 
    border-radius: 50px; 
    font-weight: bold; 
    font-size: 18px; 
    box-shadow: 0 10px 30px rgba(77, 138, 255, 0.3); 
    transition: all 0.3s; 
}
.btn-primary:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 15px 40px rgba(77, 138, 255, 0.4); 
    background: linear-gradient(135deg, #5c9aff, #8c7bff); 
}
.btn-outline { 
    padding: 15px 30px; 
    border: 1px solid rgba(255,255,255,0.2); 
    border-radius: 50px; 
    color: #a2adc7; 
    transition: 0.3s; 
}
.btn-outline:hover { 
    border-color: #00e5ff; 
    color: #00e5ff; 
}
.hero-mockup { 
    flex: 1; 
    display: flex; 
    justify-content: center; 
    position: relative; 
}
.mockup-frame { 
    width: 320px; 
    height: 650px; 
    background: #12182b; 
    border: 2px solid rgba(255,255,255,0.1); 
    border-radius: 40px; 
    padding: 12px; 
    box-shadow: 0 20px 60px rgba(0,0,0,0.8), inset 0 0 30px rgba(77, 138, 255, 0.1); 
    position: relative; 
}
.mockup-screen { 
    width: 100%; 
    height: 100%; 
    background: #0e1526; 
    border-radius: 30px; 
    overflow: hidden; 
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"><rect width="100%" height="100%" fill="%23121a2e"/><circle cx="50%" cy="20%" r="100" fill="%234d8aff" opacity="0.1"/><circle cx="80%" cy="80%" r="150" fill="%237b6bff" opacity="0.05"/></svg>'); 
}
.mockup-screen img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    opacity: 0.8; 
}
.mock-slider { 
    width: 100%; 
    height: calc(100% - 30px); 
    overflow: hidden; 
    position: relative; 
}
.mock-slides { 
    display: flex; 
    width: 400%; 
    height: 100%; 
    transition: transform 0.6s ease-in-out; 
}
.mock-slides img { 
    width: 25%; 
    height: 100%; 
    object-fit: cover; 
    flex-shrink: 0; 
    opacity: 1; 
}
.status-bar { 
    height: 30px; 
    display: flex; 
    justify-content: space-between; 
    padding: 8px 15px; 
    font-size: 12px; 
    color: rgba(255,255,255,0.6); 
}
.mock-chat { 
    padding: 20px; 
    display: flex; 
    flex-direction: column; 
    gap: 15px; 
}
.chat-bubble { 
    max-width: 80%; 
    padding: 12px 16px; 
    border-radius: 16px; 
    font-size: 14px; 
    animation: fadeIn 1s ease-out; 
}
.chat-bubble.left { 
    background: rgba(255,255,255,0.08); 
    align-self: flex-start; 
    border-bottom-left-radius: 4px; 
}
.chat-bubble.right { 
    background: linear-gradient(135deg, #4d8aff, #7b6bff); 
    align-self: flex-end; 
    border-bottom-right-radius: 4px; 
}
@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(10px); } 
    to { opacity: 1; transform: translateY(0); } 
}

/* 特色功能板块 */
.features { 
    padding: 100px 0; 
    position: relative; 
}
.section-title { 
    text-align: center; 
    font-size: 40px; 
    margin-bottom: 15px; 
}
.section-subtitle { 
    text-align: center; 
    color: #a2adc7; 
    margin-bottom: 60px; 
    font-size: 18px; 
}
.grid-features { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 30px; 
}
.feature-card { 
    background: rgba(255,255,255,0.03); 
    border: 1px solid rgba(255,255,255,0.06); 
    padding: 40px 30px; 
    border-radius: 20px; 
    text-align: center; 
    transition: all 0.4s; 
}
.feature-card:hover { 
    transform: translateY(-10px); 
    border-color: rgba(77, 138, 255, 0.3); 
    box-shadow: 0 15px 40px rgba(0,0,0,0.5); 
}
.feature-icon { 
    width: 60px; 
    height: 60px; 
    background: linear-gradient(135deg, #4d8aff, #7b6bff); 
    border-radius: 16px; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    margin: 0 auto 20px; 
    font-size: 28px; 
}
.feature-card h3 { 
    font-size: 20px; 
    margin-bottom: 10px; 
}
.feature-card p { 
    color: #a2adc7; 
    font-size: 15px; 
}

/* 热门角色展示板块 */
.roles { 
    padding: 100px 0; 
    background: radial-gradient(circle at 30% 30%, rgba(77, 138, 255, 0.08) 0%, transparent 60%); 
}
.roles-slider { 
    display: flex; 
    gap: 25px; 
    overflow-x: auto; 
    padding: 20px 10px; 
    scrollbar-width: none; 
}
.roles-slider::-webkit-scrollbar { 
    display: none; 
}
.role-card { 
    flex: 0 0 200px; 
    background: rgba(255,255,255,0.03); 
    border: 1px solid rgba(255,255,255,0.05); 
    border-radius: 20px; 
    padding: 20px; 
    text-align: center; 
    transition: 0.3s; 
}
.role-card:hover { 
    border-color: #4d8aff; 
    transform: scale(1.02); 
}
.role-avatar { 
    width: 100px; 
    height: 100px; 
    background: #1d2642; 
    border-radius: 50%; 
    margin: 0 auto 15px; 
    border: 3px solid transparent; 
    background-image: radial-gradient(circle, #2a3a6b 0%, transparent 70%); 
}
.role-avatar img { 
    width: 100%; 
    height: 100%; 
    border-radius: 50%; 
    object-fit: cover; 
}
.role-name { 
    font-size: 18px; 
    font-weight: bold; 
    margin-bottom: 5px; 
}
.role-tags { 
    display: flex; 
    justify-content: center; 
    gap: 8px; 
    flex-wrap: wrap; 
    margin: 10px 0; 
}
.role-tags span { 
    background: rgba(255,255,255,0.1); 
    padding: 2px 10px; 
    border-radius: 12px; 
    font-size: 12px; 
    color: #a2adc7; 
}
.role-pop { 
    font-size: 12px; 
    color: #a2adc7; 
}

/* 下载板块 CTA */
.download { 
    padding: 80px 0; 
    text-align: center; 
}
.download-box { 
    background: linear-gradient(135deg, rgba(77, 138, 255, 0.1), rgba(123, 107, 255, 0.1)); 
    border: 1px solid rgba(255,255,255,0.05); 
    border-radius: 40px; 
    padding: 60px; 
    position: relative; 
    overflow: hidden; 
}
.download-box h2 { 
    font-size: 38px; 
    margin-bottom: 15px; 
}
.download-box p { 
    color: #a2adc7; 
    margin-bottom: 30px; 
}
.download-buttons { 
    display: flex; 
    justify-content: center; 
    gap: 20px; 
}
.btn-download { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    padding: 15px 35px; 
    background: linear-gradient(135deg, #4d8aff, #7b6bff); 
    border-radius: 50px; 
    font-weight: bold; 
    font-size: 18px; 
    transition: 0.3s; 
}
.btn-download:hover { 
    box-shadow: 0 10px 30px rgba(77, 138, 255, 0.5); 
    transform: scale(1.05); 
}
.btn-other { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    padding: 15px 35px; 
    border: 1px solid rgba(255,255,255,0.1); 
    border-radius: 50px; 
    font-weight: bold; 
    font-size: 18px; 
    transition: 0.3s; 
}
.btn-other:hover { 
    background: rgba(255,255,255,0.05); 
}

footer { 
    text-align: center; 
    padding: 40px 0; 
    border-top: 1px solid rgba(255,255,255,0.05); 
    color: #666; 
    font-size: 14px; 
}

/* 响应式适配 */
@media (max-width: 768px) {
    .nav-links { 
        display: none; 
        flex-direction: column; 
        position: absolute; 
        top: 70px; 
        left: 0; 
        width: 100%; 
        background: rgba(11, 14, 26, 0.95); 
        padding: 20px; 
        gap: 20px; 
        border-bottom: 1px solid rgba(255,255,255,0.05); 
    }
    .nav-links.open { 
        display: flex; 
    }
    .menu-toggle { 
        display: block; 
    }
    .hero { 
        flex-direction: column-reverse; 
        padding: 100px 0 60px; 
        text-align: center; 
    }
    .hero-content { 
        padding-right: 0; 
        max-width: 100%; 
    }
    .hero-title { 
        font-size: 36px; 
    }
    .hero-buttons { 
        flex-direction: column; 
        width: 100%; 
    }
    .hero-buttons a { 
        width: 100%; 
        justify-content: center; 
    }
    .mockup-frame { 
        width: 260px; 
        height: 500px; 
        margin-bottom: 40px; 
    }
    .section-title { 
        font-size: 28px; 
    }
    .grid-features { 
        grid-template-columns: 1fr 1fr; 
    }
    .download-box { 
        padding: 30px; 
    }
    .download-buttons { 
        flex-direction: column; 
    }
}
@media (max-width: 480px) {
    .grid-features { 
        grid-template-columns: 1fr; 
    }
}