/* 轻量化独居老人大数据监护助手项目 - 首页样式文件 */
/* 作者：XXX团队 创建时间：2026年 */

/* 公告区域样式 */
.announcement-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.announcement-badge {
    position: absolute;
    top: -10px;
    right: 0;
    background: var(--primary-orange);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.announcement-content {
    display: grid;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.announcement-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.announcement-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-tech);
}

.announcement-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.announcement-text {
    flex: 1;
}

.announcement-text h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.announcement-text p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.announcement-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.announcement-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 项目方案区域样式 */
.plan-section {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.plan-card {
    text-align: center;
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.1), transparent);
    transition: var(--transition-slow);
}

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

.plan-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-tech);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    transition: var(--transition-normal);
}

.plan-card:hover .plan-icon {
    transform: scale(1.1) rotate(5deg);
}

.plan-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.plan-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.plan-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.plan-link::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: var(--transition-slow);
}

.plan-link:hover::before {
    left: 100%;
}

.plan-link:hover {
    background: var(--primary-purple);
    transform: translateY(-2px);
}

/* 项目进度区域样式 */
.progress-section {
    padding: 4rem 0;
    background: var(--bg-tertiary);
}

/* 方框进度条样式 */
.box-progress-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.progress-box {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.progress-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.progress-box.completed {
    border-color: var(--primary-green);
    background: linear-gradient(135deg, var(--bg-card), #e8f5e8);
}

.progress-box.current {
    border-color: var(--primary-orange);
    background: linear-gradient(135deg, var(--bg-card), #fff3e0);
    box-shadow: 0 0 15px rgba(255, 152, 0, 0.3);
}

.box-number {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 auto 1rem;
    font-size: 1.2rem;
}

.progress-box.completed .box-number {
    background: var(--primary-green);
    color: white;
}

.progress-box.current .box-number {
    background: var(--primary-orange);
    color: white;
}

.box-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.progress-box.completed .box-text {
    color: var(--primary-green);
}

.progress-box.current .box-text {
    color: var(--primary-orange);
}

.box-status {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    display: inline-block;
}

.progress-box .box-status {
    background: var(--bg-secondary);
    color: var(--text-muted);
}

.progress-box.completed .box-status {
    background: var(--primary-green);
    color: white;
}

.progress-box.current .box-status {
    background: var(--primary-orange);
    color: white;
}

/* 友情链接样式 */
.friend-links {
    margin-top: 2rem;
    text-align: center;
}

.friend-links h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.friend-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.friend-link {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.friend-link:hover {
    color: var(--primary-blue);
    background: var(--bg-tertiary);
}

/* 响应式设计 */
@media (min-width: 1024px) {
    .desktop-progress {
        display: block;
    }
    
    .progress-list {
        display: none;
    }
    
    .announcement-content {
        grid-template-columns: 1fr;
    }
    
    .announcement-card {
        flex-direction: row;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .announcement-section,
    .plan-section,
    .progress-section {
        padding: 3rem 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .announcement-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .announcement-icon {
        margin: 0 auto;
    }
    
    .announcement-meta {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .plan-card {
        padding: 2rem 1.5rem;
    }
    
    .progress-item {
        padding: 0.75rem 1rem;
    }
    
    .friend-links-list {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .announcement-section,
    .plan-section,
    .progress-section {
        padding: 2rem 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .announcement-card {
        padding: 1rem;
    }
    
    .plan-card {
        padding: 1.5rem 1rem;
    }
    
    .progress-item {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .progress-number {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
}

/* 特殊效果 */
.tech-glow {
    position: relative;
}

.tech-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-normal);
}

.tech-glow:hover::after {
    opacity: 1;
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 延迟加载动画 */
.announcement-card:nth-child(1) { animation-delay: 0.1s; }
.announcement-card:nth-child(2) { animation-delay: 0.2s; }
.plan-card:nth-child(1) { animation-delay: 0.1s; }
.plan-card:nth-child(2) { animation-delay: 0.2s; }
.plan-card:nth-child(3) { animation-delay: 0.3s; }
.progress-item:nth-child(1) { animation-delay: 0.1s; }
.progress-item:nth-child(2) { animation-delay: 0.2s; }
.progress-item:nth-child(3) { animation-delay: 0.3s; }