/* 主页专用样式 */

/* 导航栏样式覆盖 */
.navbar.navbar-expand-lg {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

/* 主页特定的英雄区域 */
.cherr-main {
    position: relative;
    overflow: hidden;
}

.cherr-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="25" cy="75" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="25" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.cherr-main .container {
    position: relative;
    z-index: 2;
}

/* 应用卡片样式增强 */
.app-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    overflow: hidden;
    position: relative;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.app-card:hover::before {
    left: 100%;
}

.app-card .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

/* 统计数据动画 */
.stat-number {
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 技术图标动画 */
.tech-icon {
    transition: all 0.3s ease;
}

.tech-icon:hover {
    transform: scale(1.1) rotate(5deg);
    color: #667eea !important;
}

/* 联系信息样式 */
.contact-item-main {
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.contact-item-main:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.contact-item-main i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-item-main span {
    font-size: 1.1rem;
    font-weight: 500;
}

/* 按钮增强效果 */
.btn {
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    border-radius: 25px;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .cherr-main {
        padding: 100px 0 60px;
        min-height: 80vh;
    }
    
    .cherr-main h1 {
        font-size: 2.5rem !important;
    }
    
    .stat-number {
        font-size: 2rem !important;
    }
    
    .tech-icon {
        font-size: 2rem !important;
    }
    
    .app-card {
        margin-bottom: 2rem;
    }
    
    .d-flex.gap-3 {
        flex-direction: column;
        gap: 1rem !important;
    }
    
    .btn-lg {
        width: 100%;
        text-align: center;
    }
    
    .contact-item-main {
        padding: 15px;
        margin: 0 15px;
    }
    
    .contact-item-main span {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .cherr-main h1 {
        font-size: 2rem !important;
    }
    
    .company-intro, .apps-showcase, .stats-section, .tech-stack {
        padding: 60px 0;
    }
    
    .app-card {
        padding: 20px;
    }
}

/* 加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    cursor: pointer;
    z-index: 3;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
}

/* 社交链接样式 */
.social-links .btn {
    border-radius: 25px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.social-links .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}