/* 新首页样式 */

/* 英雄区域 */
.hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 300px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-50px) rotate(5deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    padding: 60px 0;
}

.hero-text {
    color: white;
}

.hero-title {
    font-size: 2.8rem;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-title .greeting {
    display: block;
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: normal;
    margin-bottom: 10px;
}

.hero-title .highlight {
    background: linear-gradient(90deg, #ffd700, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.hero-illustration {
    position: relative;
    height: 400px;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    animation: bounce 3s ease-in-out infinite;
}

.card-1 { top: 10%; left: 20%; animation-delay: 0s; }
.card-2 { top: 30%; right: 10%; animation-delay: 0.5s; }
.card-3 { bottom: 30%; left: 10%; animation-delay: 1s; }
.card-4 { bottom: 10%; right: 20%; animation-delay: 1.5s; }

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
}

.hero-wave svg {
    width: 100%;
    height: 100%;
}

/* 热门推荐 */
.featured-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-secondary);
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: repeat(2, 200px);
    gap: 20px;
}

.featured-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    display: block;
    color: white;
}

.featured-main {
    grid-row: span 2;
}

.featured-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.featured-card:hover .featured-bg {
    transform: scale(1.1);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 30%, rgba(0,0,0,0.8));
}

.featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
}

.featured-category {
    display: inline-block;
    background: var(--accent-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    margin-bottom: 10px;
}

.featured-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.featured-main .featured-content h3 {
    font-size: 1.8rem;
}

.featured-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    opacity: 0.9;
}

/* 主内容区 */
.main-section {
    padding: 60px 0;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

/* 搜索框 */
.search-box {
    margin-bottom: 30px;
}

.search-form-new {
    display: flex;
    background: var(--bg-card);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
}

.search-form-new input {
    flex: 1;
    padding: 15px 25px;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text-primary);
}

.search-form-new input:focus {
    outline: none;
}

.search-form-new button {
    padding: 15px 25px;
    background: var(--accent-color);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
}

.search-result-info {
    background: var(--bg-secondary);
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 文章列表 */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.post-item {
    display: flex;
    gap: 25px;
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.post-thumb {
    flex-shrink: 0;
    width: 280px;
    height: 200px;
    overflow: hidden;
}

.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-item:hover .post-thumb img {
    transform: scale(1.1);
}

.post-info {
    flex: 1;
    padding: 25px 25px 25px 0;
    display: flex;
    flex-direction: column;
}

.post-meta-top {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.post-category {
    background: linear-gradient(135deg, var(--accent-color), #764ba2);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.post-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.post-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.post-title a {
    color: var(--text-primary);
}

.post-title a:hover {
    color: var(--accent-color);
}

.post-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 15px;
}

.post-meta-bottom {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.read-more-link {
    margin-left: auto;
    color: var(--accent-color);
    font-weight: 500;
}

/* 分页 */
.pagination-new {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
}

.page-btn:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.page-num.current {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* 侧边栏 */
.sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
}

/* 博主卡片 */
.author-card {
    text-align: center;
}

.author-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-color), #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 15px;
}

.author-card h3 {
    margin-bottom: 10px;
}

.author-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.author-social {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.author-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: transform 0.2s ease;
}

.author-social a:hover {
    transform: scale(1.1);
}

/* 分类列表 */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.category-item:hover {
    background: var(--accent-color);
    color: white;
}

.category-item .count {
    background: var(--bg-card);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-item {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.tag-item:hover {
    background: var(--accent-color);
    color: white;
}

/* 快捷导航 */
.quick-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quick-links a {
    display: block;
    padding: 12px 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.quick-links a:hover {
    background: var(--accent-color);
    color: white;
    padding-left: 20px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-card);
    border-radius: 16px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.empty-state h3 {
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-secondary);
}

/* 响应式 */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar-column {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .featured-main {
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-illustration {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .post-item {
        flex-direction: column;
    }
    
    .post-thumb {
        width: 100%;
        height: 200px;
    }
    
    .post-info {
        padding: 20px;
    }
    
    .sidebar-column {
        grid-template-columns: 1fr;
    }
}