/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #2a2a2a;
    /* 淡紫色弥散渐变：中心更亮，向外过渡到白色 */
    background:
        radial-gradient(800px 600px at 50% 46%, rgba(168, 133, 255, 0.14) 0%, rgba(210, 196, 255, 0.08) 36%, rgba(240, 236, 255, 0.04) 56%, rgba(255, 255, 255, 0.0) 76%),
        linear-gradient(180deg, #ffffff 0%, #fbfaff 42%, #f9f7ff 72%, #ffffff 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 主容器 */
.starseek-container {
    min-height: 100vh;
    position: relative;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: saturate(140%) blur(16px);
    -webkit-backdrop-filter: saturate(140%) blur(16px);
    border-bottom: 1px solid rgba(30, 30, 60, 0.08);
    box-shadow: 0 4px 12px rgba(20, 16, 40, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    position: relative;
}

/* Logo样式 */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
}

/* 桌面端导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.nav-item.active .nav-link {
    color: #2c3e50;
    font-weight: 600;
}

.nav-item:hover .nav-link {
    color: #2c3e50;
}

/* 导航右侧按钮 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    position: absolute; /* 固定在容器右侧 */
    right: 12px; /* 比原来更靠右一点 */
    top: 50%;
    transform: translateY(-50%);
}

.language-btn,
.download-btn {
    padding: 8px 20px;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-btn {
    background: transparent;
    color: #666;
    border: 1px solid #e0e0e0;
}

.language-btn:hover {
    background: #f5f5f5;
    color: #333;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    font-size: 20px;
    color: #2c3e50;
    cursor: pointer;
    padding: 5px;
}

/* 移动端菜单 */
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px;
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-item {
    margin-bottom: 15px;
}

.mobile-nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    font-size: 16px;
    display: block;
    padding: 10px 0;
}

.mobile-nav-item.active .mobile-nav-link {
    color: #2c3e50;
    font-weight: 600;
}

/* 主要内容区域 */
.main-content {
    padding-top: 170px;
    min-height: calc(100vh - 70px);
    position: relative;
}

/* 版本标签：作为标题上方的胶囊 */
.version-tag {
    position: static;
    display: inline-block;
    margin-bottom: 14px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: #3d3d55;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(30, 30, 60, 0.08);
}

/* 顶部 免费下载 按钮：紫色渐变 */
.download-btn {
    background: linear-gradient(135deg, #a06bff 0%, #7a3cff 100%);
    color: #ffffff;
    border: 1px solid rgba(122, 60, 255, 0.35);
    box-shadow: 0 8px 24px rgba(122, 60, 255, 0.25);
}

.download-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(122, 60, 255, 0.35);
}

/* 内容包装器 */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 180px 20px;
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
    gap: 80px;
    align-items: flex-start;
    min-height: calc(100vh - 150px);
}

/* 左侧内容 */
.content-left {
    z-index: 2;
}

.app-title {
    font-size: 5rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 30px;
    line-height: 1.1;
    letter-spacing: -2px;
}

/* 标语区域 */
.slogan-section {
    margin-bottom: 50px;
}

.chinese-slogan {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.english-slogan {
    font-size: 1.1rem;
    color: #7f8c8d;
    font-weight: 400;
    line-height: 1.5;
}

.contact-email-text {
    font-size: 0.95rem;
    color: #7f8c8d;
    font-weight: 400;
    line-height: 1.5;
    margin-top: 12px;
}

/* 下载区域 */
.download-section {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: flex-start; /* 正常宽度时左对齐 */
}

.download-app-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #2c3e50;
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 180px;
    justify-content: center;
}

.download-app-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.3);
}

.download-app-btn i {
    font-size: 18px;
}

/* 右侧主视觉图 */
.content-right {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

/* 保证主视觉图在缩放时不越界、图片不溢出 */
.image-placeholder img,
.feature-image,
.idea-image {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 中等尺寸时进一步缩小标题与间距，避免挤压 */
@media (max-width: 1200px) {
    .app-title { font-size: 56px; }
    .content-wrapper { gap: 56px; }
    /* 正常宽度时保持原样，不居中 */
}

/* 平板及以下改为单列，彻底避免文本与图片并排挤压 */
@media (max-width: 960px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    /* 小屏：整体内容居中排列，按钮立即居中 */
    .content-left { display: flex; flex-direction: column; align-items: center; text-align: center; }
    .download-section { justify-content: center; }
}

.hero-image {
    width: 100%;
    height: clamp(350px, 48vw, 600px);
    position: relative;
    padding-bottom: 80px;
}

/* 命主图片组样式 */
.mingzhu-images {
    position: absolute;
    bottom: 75px;
    right: 0;
    display: flex;
    align-items: flex-end;
    gap: 16px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.25);
    padding: 8px 12px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transform: translateX(-20px);
}

.mingzhu-img {
    width: clamp(40px, 6vw, 80px);
    height: auto;
    object-fit: contain;
    transition: opacity 0.3s ease;
    border-radius: 8px;
    border: 2px solid #ffffff;
    /* 边缘虚化效果 - 减弱虚化 */
    mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, rgba(0,0,0,1) 40%, rgba(0,0,0,0.95) 50%, rgba(0,0,0,0.8) 60%, rgba(0,0,0,0.5) 70%, rgba(0,0,0,0.2) 80%, rgba(0,0,0,0) 90%);
    -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, rgba(0,0,0,1) 40%, rgba(0,0,0,0.95) 50%, rgba(0,0,0,0.8) 60%, rgba(0,0,0,0.5) 70%, rgba(0,0,0,0.2) 80%, rgba(0,0,0,0) 90%);
}

/* 图片样式 */
.mingzhu-img-1 {
    opacity: 1;
    filter: blur(0px);
}

.mingzhu-img-2 {
    opacity: 1;
    filter: blur(0px);
}

.mingzhu-img-3 {
    opacity: 1;
    filter: blur(0px);
}

.mingzhu-img-4 {
    opacity: 1;
    filter: blur(0px);
}

.mingzhu-img-5 {
    opacity: 1;
    filter: blur(0px);
}

.mingzhu-img-6 {
    opacity: 1;
    filter: blur(0px);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: visible;
}

.hero-background-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    /* 渐隐蒙版：保留人物主体清晰，周围弥散渐隐，自然融入背景 */
    /* 中心区域（人物主体）保持完全不透明，向外逐渐渐隐到边缘完全透明 */
    mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 25%, rgba(0,0,0,0.95) 35%, rgba(0,0,0,0.8) 50%, rgba(0,0,0,0.5) 70%, rgba(0,0,0,0.2) 85%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 25%, rgba(0,0,0,0.95) 35%, rgba(0,0,0,0.8) 50%, rgba(0,0,0,0.5) 70%, rgba(0,0,0,0.2) 85%, rgba(0,0,0,0) 100%);
    animation: imageFadeIn 2.5s ease-in forwards;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .mingzhu-images {
        bottom: 10px;
        right: 0;
        gap: 12px;
    }
    .mingzhu-img {
        width: clamp(35px, 5vw, 60px);
    }
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .app-title {
        font-size: 4rem;
    }
    
    .version-tag {
        position: static;
        display: inline-block;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    /* 隐藏桌面端菜单，显示移动端菜单按钮 */
    .desktop-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-actions {
        gap: 10px;
    }
    
    .language-btn,
    .download-btn {
        padding: 6px 15px;
        font-size: 13px;
    }
    
    .content-wrapper {
        padding: 40px 20px;
        gap: 40px;
    }
    
    .app-title {
        font-size: 3.5rem;
    }
    
    .chinese-slogan {
        font-size: 1.1rem;
    }
    
    .english-slogan {
        font-size: 1rem;
    }
    
    .download-section {
        flex-direction: column;
        align-items: center;
    }
    
    .download-app-btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-image {
        height: 420px;
        padding-bottom: 70px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
        height: 60px;
    }
    
    .main-content {
        padding-top: 160px;
    }
    
    .app-title {
        font-size: 2.8rem;
        letter-spacing: -1px;
    }
    
    .content-wrapper {
        padding: 30px 15px;
    }
    
    .version-tag {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .hero-image {
        height: 250px;
    }
}

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

.content-left > * {
    animation: fadeInUp 0.8s ease forwards;
}

.content-left > *:nth-child(1) { animation-delay: 0.1s; }
.content-left > *:nth-child(2) { animation-delay: 0.2s; }
.content-left > *:nth-child(3) { animation-delay: 0.3s; }

.hero-image {
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 语言下拉菜单 */
.language-dropdown { position: relative; }
.language-menu {
    position: absolute;
    top: 110%;
    right: 0;
    min-width: 160px;
    padding: 8px;
    margin: 8px 0 0 0;
    list-style: none;
    background: rgba(12, 10, 22, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(12px);
    z-index: 1200;
}
.language-option {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    color: #eaeaf3;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}
.language-option:hover { background: rgba(255,255,255,0.08); color: #ffffff; }

/* 首页下方：功能区块（3页） */
.section-features {
    padding: 20px 0 30px;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(245,242,255,0.55) 100%);
    scroll-margin-top: 70px;
}
.section-features + .section-features { padding-top: 60px; }
.section-features .section-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-features .pill {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    color: #6b6f88;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(30,30,60,0.08);
    box-shadow: 0 8px 28px rgba(20,16,40,0.06);
    margin: 0 auto 28px;
}
.section-reviews .pill {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    color: #6b6f88;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(30,30,60,0.08);
    box-shadow: 0 8px 28px rgba(20,16,40,0.06);
    margin: 0 auto 28px;
    display: block;
    text-align: center;
    width: fit-content;
}
.feature-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    column-gap: clamp(40px, 6vw, 120px); 
    row-gap: 40px; 
    align-items: center; 
}
.feature-grid.reverse { grid-template-columns: 1fr 1fr; }
.feature-visual { justify-self: end; }
.feature-grid.reverse .feature-visual { justify-self: start; }
.feature-visual .feature-card { width: 100%; height: clamp(260px, 36vw, 520px); border-radius: 16px; background: #cfcfd4; box-shadow: 0 30px 80px rgba(20,16,40,0.18); }
.feature-card-image {
    position: relative;
    overflow: hidden; /* 防止图片越界到文字区域 */
    background: transparent !important;
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
    min-height: auto;
    box-shadow: none !important;
}
.feature-card-image .feature-image {
    width: auto;
    max-width: min(100%, clamp(320px, 40vw, 520px));
    height: auto;
    max-height: clamp(280px, 38vw, 560px);
    object-fit: contain;
    object-position: center center;
    border-radius: 48px;
    display: block;
}

/* 双图片并排样式（带阴影和空间感） */
.feature-card-dual {
    position: relative;
    overflow: visible;
    background: transparent !important;
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
    min-height: auto;
    box-shadow: none !important;
}

.dual-images {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: nowrap;
}

.dual-image {
    object-fit: contain;
    border-radius: 20px;
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15)) 
            drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.dual-image-main {
    max-width: min(100%, clamp(320px, 40vw, 520px));
    max-height: clamp(280px, 38vw, 560px);
    transform: translateZ(0);
}

.dual-image-small {
    max-width: min(70%, clamp(220px, 28vw, 360px));
    max-height: clamp(200px, 26vw, 400px);
    transform: translateZ(10px) translateY(-10px);
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.2)) 
            drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
}

.dual-images:hover .dual-image-main {
    transform: translateZ(5px) translateY(-5px);
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.2)) 
            drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
}

.dual-images:hover .dual-image-small {
    transform: translateZ(15px) translateY(-15px) scale(1.05);
    filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.25)) 
            drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
}

/* 分层图片样式（纵深感、空间感） */
.feature-card-layered {
    position: relative;
    overflow: visible;
    background: transparent !important;
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
    min-height: auto;
    box-shadow: none !important;
    perspective: 1200px;
}

.layered-images {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-style: preserve-3d;
    min-height: clamp(300px, 40vw, 600px);
}

.layered-image {
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 20px;
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    left: 50%;
    top: 50%;
}

.layered-image-back {
    max-width: min(85%, clamp(280px, 35vw, 450px));
    max-height: clamp(240px, 32vw, 480px);
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.15)) 
            drop-shadow(0 6px 12px rgba(0, 0, 0, 0.1));
    transform: translate(-50%, -50%) translateZ(-40px) translateY(20px) scale(0.9);
    opacity: 0.85;
    z-index: 1;
}

.layered-image-front {
    max-width: min(100%, clamp(320px, 40vw, 520px));
    max-height: clamp(280px, 38vw, 560px);
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.25)) 
            drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15));
    transform: translate(-50%, -50%) translateZ(20px) translateY(-15px) scale(1);
    z-index: 2;
}

.layered-images:hover .layered-image-back {
    transform: translate(-50%, -50%) translateZ(-30px) translateY(15px) scale(0.92);
    opacity: 0.9;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.2)) 
            drop-shadow(0 8px 16px rgba(0, 0, 0, 0.12));
}

.layered-images:hover .layered-image-front {
    transform: translate(-50%, -50%) translateZ(30px) translateY(-20px) scale(1.05);
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.3)) 
            drop-shadow(0 12px 24px rgba(0, 0, 0, 0.2));
}

/* 从两边向中间逐渐增大样式 */
.feature-card-pyramid {
    position: relative;
    overflow: visible;
    background: transparent !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    height: auto;
    min-height: auto;
    box-shadow: none !important;
}

.pyramid-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 20px;
    position: relative;
}

.pyramid-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 16px;
}

.pyramid-nav-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(124, 58, 237, 0.3);
    background: rgba(255, 255, 255, 0.95);
    color: #7C3AED;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.15);
    flex-shrink: 0;
    z-index: 100;
    position: relative;
    pointer-events: auto;
}

.pyramid-nav-btn:hover {
    background: #7C3AED;
    color: #ffffff;
    border-color: #7C3AED;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
}

.pyramid-nav-btn:active {
    transform: scale(0.95);
}

.pyramid-nav-btn i {
    font-size: 18px;
    font-weight: 600;
}

.pyramid-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    width: 100%;
}

.pyramid-image {
    width: auto;
    object-fit: contain;
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15)) 
            drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

/* 每行从两边向中间逐渐增大：位置1和7最小，位置4最大 */
.pyramid-image[data-pos="1"],
.pyramid-image[data-pos="7"] {
    height: clamp(50px, 6vw, 80px);
    flex-shrink: 0;
}

.pyramid-image[data-pos="2"],
.pyramid-image[data-pos="6"] {
    height: clamp(60px, 7vw, 90px);
    flex-shrink: 0;
}

.pyramid-image[data-pos="3"],
.pyramid-image[data-pos="5"] {
    height: clamp(70px, 8vw, 100px);
    flex-shrink: 0;
}

.pyramid-image[data-pos="4"] {
    height: clamp(80px, 9vw, 120px);
    flex-shrink: 0;
}

.pyramid-image:hover {
    transform: translateY(-8px) scale(1.1);
    z-index: 10;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.25)) 
            drop-shadow(0 8px 16px rgba(0, 0, 0, 0.2));
}

.feature-copy .feature-icon { font-size: 56px; color: #7C3AED; margin-bottom: 10px; }
.feature-copy .feature-title { font-size: clamp(28px, 4vw, 52px); font-weight: 800; line-height: 1.12; letter-spacing: -1.2px; color: #101013; margin: 0 0 12px 0; }
.feature-copy .feature-title.feature-title-nowrap { white-space: nowrap; }
.feature-copy .feature-sub { font-size: 16px; color: #6b6f88; margin-bottom: 16px; }
.feature-copy .feature-desc { font-size: 16px; color: #3a3d4f; line-height: 1.75; }

/* 避免视觉层级覆盖：文字始终在图片之上不被遮挡 */
.feature-copy { position: relative; z-index: 2; }
.feature-visual { position: relative; z-index: 1; }
.feature-card-image { z-index: 1; }
@media (max-width: 1024px) {
  .feature-grid, .feature-grid.reverse { grid-template-columns: 1fr; gap: 36px; }
  .feature-visual .feature-card { height: 360px; }
  .feature-copy .feature-title { font-size: 40px; }
  /* 单列时：文字在上，图片在下，避免遮挡 */
  .feature-copy { order: 1; }
  .feature-visual { order: 2; margin-top: 8px; }
  
  .layered-image-back {
    max-width: min(80%, clamp(240px, 30vw, 380px));
    max-height: clamp(200px, 28vw, 400px);
    transform: translate(-50%, -50%) translateZ(-30px) translateY(15px) scale(0.88);
  }
  
  .layered-image-front {
    max-width: min(95%, clamp(300px, 38vw, 480px));
    max-height: clamp(260px, 35vw, 520px);
    transform: translate(-50%, -50%) translateZ(15px) translateY(-12px) scale(1);
  }
  
  .dual-images {
    gap: 20px;
  }
  
  .dual-image-main {
    max-width: min(95%, clamp(300px, 38vw, 480px));
    max-height: clamp(260px, 35vw, 520px);
  }
  
  .dual-image-small {
    max-width: min(65%, clamp(200px, 26vw, 320px));
    max-height: clamp(180px, 24vw, 360px);
  }
  
  .pyramid-wrapper {
    gap: 12px;
  }
  
  .pyramid-container {
    gap: 12px;
  }
  
  .pyramid-row {
    gap: 6px;
    flex-wrap: nowrap;
  }
  
  .pyramid-nav-btn {
    width: 40px;
    height: 40px;
  }
  
  .pyramid-nav-btn i {
    font-size: 16px;
  }
  
  .pyramid-image[data-pos="1"],
  .pyramid-image[data-pos="7"] {
    height: clamp(45px, 5.5vw, 70px);
  }
  
  .pyramid-image[data-pos="2"],
  .pyramid-image[data-pos="6"] {
    height: clamp(50px, 6vw, 75px);
  }
  
  .pyramid-image[data-pos="3"],
  .pyramid-image[data-pos="5"] {
    height: clamp(55px, 6.5vw, 80px);
  }
  
  .pyramid-image[data-pos="4"] {
    height: clamp(60px, 7vw, 85px);
  }
}

@media (max-width: 768px) {
  .pyramid-wrapper {
    gap: 8px;
  }
  
  .pyramid-container {
    gap: 10px;
  }
  
  .pyramid-nav-btn {
    width: 36px;
    height: 36px;
  }
  
  .pyramid-nav-btn i {
    font-size: 14px;
  }
  
  .pyramid-row {
    gap: 4px;
    flex-wrap: nowrap;
  }
  
  .feature-card-pyramid {
    padding: 20px 15px;
  }
  
  .pyramid-image[data-pos="1"],
  .pyramid-image[data-pos="7"] {
    height: clamp(40px, 5vw, 60px);
  }
  
  .pyramid-image[data-pos="2"],
  .pyramid-image[data-pos="6"] {
    height: clamp(45px, 5.5vw, 65px);
  }
  
  .pyramid-image[data-pos="3"],
  .pyramid-image[data-pos="5"] {
    height: clamp(50px, 6vw, 70px);
  }
  
  .pyramid-image[data-pos="4"] {
    height: clamp(55px, 6.5vw, 75px);
  }
  
  .layered-image-back {
    max-width: min(75%, clamp(200px, 28vw, 320px));
    max-height: clamp(180px, 25vw, 360px);
    transform: translate(-50%, -50%) translateZ(-25px) translateY(12px) scale(0.85);
  }
  
  .layered-image-front {
    max-width: min(90%, clamp(280px, 36vw, 440px));
    max-height: clamp(240px, 33vw, 480px);
    transform: translate(-50%, -50%) translateZ(12px) translateY(-10px) scale(1);
  }
  
  .feature-card-layered {
    perspective: 800px;
  }
  
  .dual-images {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .dual-image-main {
    max-width: min(90%, clamp(280px, 36vw, 440px));
    max-height: clamp(240px, 33vw, 480px);
  }
  
  .dual-image-small {
    max-width: min(60%, clamp(180px, 24vw, 280px));
    max-height: clamp(160px, 22vw, 320px);
    transform: translateZ(8px) translateY(-8px);
  }
}

/* 视图容器基础：仅显示active(v-show控制显示) */
.view { width: 100%; }

/* 首页：弥散淡紫色小光圈背景（呼吸+流动明暗）+ 图片背景渐隐 */
#view-home { 
    position: relative; 
    z-index: 1; 
}
/* 底层：原有的紫色渐变 */
#view-home::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(220px 180px at 18% 28%, rgba(168, 85, 247, 0.18) 0%, rgba(168, 85, 247, 0.08) 42%, rgba(168, 85, 247, 0.0) 72%),
        radial-gradient(260px 210px at 78% 22%, rgba(124, 58, 237, 0.16) 0%, rgba(124, 58, 237, 0.07) 46%, rgba(124, 58, 237, 0.0) 76%),
        radial-gradient(300px 220px at 50% 84%, rgba(140, 80, 255, 0.14) 0%, rgba(140, 80, 255, 0.06) 45%, rgba(140, 80, 255, 0.0) 80%);
    filter: blur(0.2px) saturate(115%);
    opacity: 0.9;
    will-change: opacity, transform;
    animation: haloBreath 6s ease-in-out infinite alternate;
}

@keyframes haloBreath {
    0% { opacity: 0.80; transform: scale(1); }
    100% { opacity: 0.95; transform: scale(1.035); }
}
@keyframes haloFlow {
    0%   { background-position: -40% 40%, 140% 40%, 50% 160%; }
    50%  { background-position: 140% 60%, -40% 60%, 50% -20%; }
    100% { background-position: -40% 40%, 140% 40%, 50% 160%; }
}
@keyframes haloPulse {
    0% { opacity: 0.26; }
    100% { opacity: 0.5; }
}
@keyframes imageFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

/* Adaptive deep purple cursor ring: solid base + multiply strengthening on dark */
.cursor-glow {
    position: absolute;
    left: 0;
    top: 0;
    pointer-events: none;
    z-index: 3000;
    border-radius: 50%;
    /* Base ring (always visible on白底): deep purple solid */
    border: 3px solid #4C1D95; /* 深紫 */
    background: transparent;
    box-shadow:
        0 0 0 2px rgba(76, 29, 149, 0.35); /* 在浅底上加强紫色存在感 */
}
.cursor-glow::before {
    content: "";
    position: absolute;
    inset: -3px; /* cover outside of base ring */
    border-radius: 50%;
    pointer-events: none;
    /* Multiply layer (正片叠底) —— 在深/黑底上加重、压暗紫色，仍依赖基底ring保证可见性 */
    mix-blend-mode: multiply;
    box-shadow:
        0 0 0 3px rgba(43, 16, 107, 0.95), /* 更深一层 */
        0 0 14px 6px rgba(43, 16, 107, 0.45); /* 暗部晕影 */
}
/* 移除之前的亮紫 screen 层，避免在黑底上发白而变不清晰 */
.cursor-glow::after { content: none; }

/* Ripple effect for cursor */
.cursor-glow {
    position: absolute;
    left: 0;
    top: 0;
    pointer-events: none;
    z-index: 3000;
    border-radius: 50%;
}

/* existing base ring (deep purple + multiply layer) remains above in file */
.cursor-glow::after {
    content: "";
    position: absolute;
    inset: -6px; /* start slightly larger than base ring */
    border-radius: 50%;
    border: 2px solid rgba(168, 85, 247, 0.85); /* bright purple ring */
    box-shadow: 0 0 14px rgba(168, 85, 247, 0.45);
    opacity: 0.6;
    transform: scale(1);
    will-change: transform, opacity;
    animation: cursorRipple 1.6s ease-out infinite;
    mix-blend-mode: screen; /* pop on dark surfaces */
}

@keyframes cursorRipple {
    0%   { transform: scale(1);   opacity: 0.6; }
    70%  { transform: scale(1.6); opacity: 0.18; }
    100% { transform: scale(2.0); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .cursor-glow::after { animation: none; opacity: 0; }
}

/* prefers-reduced-motion：仅关闭光标呼吸，背景仍动 */
@media (prefers-reduced-motion: reduce) {
    .cursor-glow { animation: none; }
}

/* 理念页样式 */
.idea-header { text-align: center; margin: 10px 0 34px; }
.idea-title {
    font-size: 48px;
    line-height: 1.1;
    letter-spacing: -1px;
    color: #0e1020;
    margin: 6px 0 10px;
}
.idea-sub { color: #6b6f88; font-size: 15px; margin-bottom: 10px; }
.idea-desc { color: #3a3d4f; font-size: 16px; line-height: 1.8; max-width: 760px; margin: 0 auto; }

.idea-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 22px; }
.idea-card {
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(30,30,60,0.08);
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(20,16,40,0.08);
    padding: 26px 22px 22px;
    text-align: center;
}
.idea-visual { 
    height: 220px; 
    border-radius: 16px; 
    background: transparent; 
    margin: 0 auto 16px; 
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.idea-visual .idea-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    border-radius: 16px;
    display: block;
}
.idea-title-sm { font-size: 18px; font-weight: 700; color:#0e1020; margin-bottom: 8px; }
.idea-text { font-size: 14px; color:#3a3d4f; line-height: 1.8; }

@media (max-width: 1024px) {
  .idea-title { font-size: 38px; }
  .idea-cards { grid-template-columns: 1fr; }
}

/* 评价页样式 */
.section-reviews {
    padding: 80px 0 120px;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(245,242,255,0.55) 100%);
    min-height: calc(100vh - 70px);
    scroll-margin-top: 70px;
}
.section-reviews .section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.reviews-title {
    font-size: 48px;
    font-weight: 700;
    color: #1A2B4D;
    text-align: center;
    margin: 0 0 50px 0;
    line-height: 1.2;
}
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.review-text {
    font-size: 15px;
    line-height: 1.6;
    color: #333333;
    margin: 0;
    flex: 1;
}
.review-user {
    display: flex;
    align-items: center;
    gap: 12px;
}
.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #e0e0e0;
    flex-shrink: 0;
    object-fit: cover;
}
.review-user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.review-name {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    line-height: 1.2;
}
.review-handle {
    font-size: 14px;
    color: #666666;
    line-height: 1.2;
}
@media (max-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .reviews-title {
        font-size: 36px;
    }
}
@media (max-width: 768px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    .reviews-title {
        font-size: 32px;
    }
    .section-reviews {
        padding: 60px 0 80px;
    }
}

/* FAQ页样式 */
.section-faq {
    padding: 80px 0 120px;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(245,242,255,0.55) 100%);
    min-height: calc(100vh - 70px);
    scroll-margin-top: 70px;
}

.section-faq .section-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-faq .pill {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    color: #6b6f88;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(30,30,60,0.08);
    box-shadow: 0 8px 28px rgba(20,16,40,0.06);
    margin: 0 auto 28px;
    display: block;
    text-align: center;
    width: fit-content;
}

.faq-title {
    font-size: 48px;
    font-weight: 700;
    color: #0e1020;
    text-align: center;
    margin: 0 0 60px 0;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(30,30,60,0.08);
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(20,16,40,0.06);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(20,16,40,0.1);
}

.faq-item-open {
    box-shadow: 0 8px 24px rgba(20,16,40,0.12);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(245,242,255,0.3);
}

.faq-question-text {
    font-size: 18px;
    font-weight: 600;
    color: #0e1020;
    flex: 1;
    padding-right: 20px;
    line-height: 1.5;
}

.faq-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(168, 133, 255, 0.1);
    color: #a855f7;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.faq-icon i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.faq-icon-open {
    background: rgba(168, 133, 255, 0.2);
    transform: rotate(180deg);
}

.faq-icon-open i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 28px;
}

.faq-answer-open {
    max-height: 500px;
    padding: 0 28px 24px 28px;
}

.faq-answer p {
    font-size: 16px;
    line-height: 1.8;
    color: #3a3d4f;
    margin: 0;
    padding-top: 8px;
}

@media (max-width: 768px) {
    .faq-title {
        font-size: 36px;
        margin-bottom: 40px;
    }
    
    .faq-question {
        padding: 20px;
    }
    
    .faq-question-text {
        font-size: 16px;
        padding-right: 16px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-answer-open {
        padding: 0 20px 20px 20px;
    }
    
    .faq-answer p {
        font-size: 15px;
    }
    
    .section-faq {
        padding: 60px 0 80px;
    }
}

#feat-quick-section { scroll-margin-top: var(--navH, 80px); }

/* Ensure background layers never intercept events */
#view-home::before, #view-home::after { pointer-events: none; }

/* Highly visible cursor glow above all elements */
.cursor-glow {
    position: absolute; /* keep existing positioning */
    pointer-events: none; /* never block clicks */
    z-index: 3000; /* above buttons/navbar */
    mix-blend-mode: screen; /* brighten over dark buttons */
    opacity: 0.75; /* stronger visibility */
    background:
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.55) 22%, rgba(168, 85, 247, 0.45) 44%, rgba(124, 58, 237, 0.28) 66%, rgba(124, 58, 237, 0.0) 84%);
}

/* Click ripple at mouse position */
.click-ripple {
    position: fixed;
    left: 0;
    top: 0;
    width: 12px;
    height: 12px;
    transform: translate(-50%, -50%) scale(0.2);
    border-radius: 50%;
    pointer-events: none;
    z-index: 3500;
    /* radial soft ring with blur to get energy ripple feel */
    background: radial-gradient(circle, rgba(168,85,247,0.55) 0%, rgba(168,85,247,0.40) 35%, rgba(168,85,247,0.20) 60%, rgba(168,85,247,0.0) 75%);
    filter: blur(4px);
    will-change: transform, opacity, filter;
    animation: clickRippleExpand 0.8s ease-out forwards;
}

@keyframes clickRippleExpand {
    0%   { transform: translate(-50%, -50%) scale(0.2); opacity: 0.85; filter: blur(3px); }
    60%  { transform: translate(-50%, -50%) scale(1.4); opacity: 0.35; filter: blur(5px); }
    100% { transform: translate(-50%, -50%) scale(2.0); opacity: 0; filter: blur(6px); }
}

/* 下载推广模块样式 */
/* 首页评价卡片区域样式 */
.section-home-reviews {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(245,242,255,0.3) 100%);
}

.section-home-reviews .section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 产品价值观板块样式 */
.section-values {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(245,242,255,0.3) 100%);
}

.section-values .section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.values-title {
    font-size: 48px;
    font-weight: 700;
    color: #1A2B4D;
    text-align: center;
    margin: 0 0 50px 0;
    line-height: 1.2;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.value-item {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.value-item:hover {
    transform: translateY(-6px);
}

.value-icon-wrapper {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #ffffff;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.value-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.value-icon-1 {
    background: linear-gradient(135deg, #E8D5F2 0%, #D4B5E8 100%);
    box-shadow: 0 8px 24px rgba(212, 181, 232, 0.3);
}

.value-icon-1:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(212, 181, 232, 0.4);
}

.value-icon-2 {
    background: linear-gradient(135deg, #D4B5E8 0%, #C19AE0 100%);
    box-shadow: 0 8px 24px rgba(193, 154, 224, 0.3);
}

.value-icon-2:hover {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 32px rgba(193, 154, 224, 0.4);
}

.value-icon-3 {
    background: linear-gradient(135deg, #C19AE0 0%, #A67DD3 100%);
    box-shadow: 0 8px 24px rgba(166, 125, 211, 0.3);
}

.value-icon-3:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(166, 125, 211, 0.4);
}

.value-icon-4 {
    background: linear-gradient(135deg, #A67DD3 0%, #8B5FC6 100%);
    box-shadow: 0 8px 24px rgba(139, 95, 198, 0.3);
}

.value-icon-4:hover {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 32px rgba(139, 95, 198, 0.4);
}

.value-item-title {
    font-size: 20px;
    font-weight: 700;
    color: #1A2B4D;
    margin: 0 0 12px 0;
    line-height: 1.3;
}

.value-item-text {
    font-size: 15px;
    line-height: 1.8;
    color: #666666;
    margin: 0;
    text-align: center;
    min-height: 3.6em;
}

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .value-icon {
        width: 100px;
        height: 100px;
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .section-values {
        padding: 60px 0;
    }
    
    .values-title {
        font-size: 36px;
        margin-bottom: 40px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .value-icon {
        width: 90px;
        height: 90px;
        font-size: 36px;
    }
    
    .value-icon-wrapper {
        margin-bottom: 20px;
    }
    
    .value-item-title {
        font-size: 18px;
    }
    
    .value-item-text {
        font-size: 14px;
    }
}

.home-reviews-title {
    font-size: 48px;
    font-weight: 700;
    color: #1A2B4D;
    text-align: center;
    margin: 0 0 50px 0;
    line-height: 1.2;
}

.home-reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.home-review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 260px; /* 统一卡片高度 */
}

.home-review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.home-review-text {
    font-size: 16px;
    line-height: 1.7;
    color: #333333;
    margin: 0;
    flex: 1;
}

.home-review-author {
    font-size: 14px;
    color: #666666;
    font-weight: 500;
    margin-top: auto;
    padding-top: 16px;
}

@media (max-width: 1024px) {
    .home-reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-home-reviews {
        padding: 60px 0;
    }
    
    .home-reviews-title {
        font-size: 36px;
        margin-bottom: 40px;
    }
    
    .home-reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .home-review-card {
        padding: 24px;
    }
    
    .home-review-text {
        font-size: 15px;
    }
}

.download-promo {
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(245,242,255,0.55) 100%);
    padding: 60px 0;
    margin-top: 0;
}

.download-promo-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.download-promo-title {
    font-size: 48px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 24px 0;
    line-height: 1.2;
}

.download-promo-desc {
    font-size: 16px;
    color: #7f8c8d;
    line-height: 1.6;
    margin: 0 0 40px 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-promo-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.download-promo-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #2c3e50;
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 180px;
    justify-content: center;
}

.download-promo-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.3);
}

@media (max-width: 768px) {
    .download-promo-title {
        font-size: 36px;
    }
    
    .download-promo-desc {
        font-size: 14px;
    }
    
    .download-promo-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .download-promo-btn {
        width: 100%;
        max-width: 280px;
    }
}

/* Footer 底部栏目样式 */
.site-footer {
    background: #000000;
    color: #ffffff;
    padding: 40px 0 80px;
    margin-top: 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    margin-bottom: 30px;
    align-items: start;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-subsection {
    margin-bottom: 30px;
}

.footer-subsection:last-child {
    margin-bottom: 0;
}

.footer-brand {
    gap: 16px;
}

.footer-logo {
    margin-bottom: 8px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.footer-brand-name {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.footer-slogan {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-slogan-cn {
    font-size: 14px;
    color: #ffffff;
    line-height: 1.5;
}

.footer-slogan-en {
    font-size: 13px;
    color: #cccccc;
    line-height: 1.5;
}

.footer-contact-email {
    font-size: 13px;
    color: #cccccc;
    line-height: 1.5;
    margin-top: 12px;
}

.footer-email-link {
    color: #cccccc;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.footer-email-link:hover {
    color: #ffffff;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 20px 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: #cccccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

/* 下载按钮区域 */
.footer-download {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.footer-download-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 180px;
    justify-content: center;
}

.footer-download-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.footer-download-btn i {
    font-size: 20px;
}

.footer-download-btn span {
    font-size: 14px;
    font-weight: 500;
}

/* 底部导航链接 */
.footer-bottom-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 20px 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.footer-bottom-link {
    color: #cccccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-bottom-link:hover {
    color: #ffffff;
}

.footer-divider {
    color: #666666;
    font-size: 14px;
    margin: 0 4px;
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-download {
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .site-footer {
        padding: 40px 0 20px;
    }
    
    .footer-download {
        align-items: stretch;
    }
    
    .footer-download-btn {
        width: 100%;
    }
}