/* ========== 资讯中心页面专用样式 ========== */

/* 资讯横幅 - 自定义背景 */
.news-hero {
    position: relative;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('../images/fuimg.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    padding-top: 72px;
    overflow: hidden;
}

.news-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8, 48, 107, 0.75), rgba(12, 79, 150, 0.55));
    z-index: 1;
}

.news-hero .hero-content {
    position: relative;
    z-index: 3;
    max-width: 720px;
    padding: 0 24px;
}

.news-hero .hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.news-hero .hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 540px;
    margin: 0 auto;
}

/* 资讯控制栏 */
.news-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 8px 20px;
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--duration) var(--ease-out);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-family);
}

.category-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-alpha);
}

.category-btn.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(12, 79, 150, 0.25);
}

/* 搜索框 */
.news-controls .search-box {
    display: flex;
    max-width: 280px;
}

.news-controls .search-box input {
    flex: 1;
    padding: 10px 16px;
    border: 1.5px solid var(--border);
    border-radius: 50px 0 0 50px;
    font-size: 0.9rem;
    font-family: var(--font-family);
    color: var(--text);
    background: var(--bg);
    outline: none;
    transition: border-color var(--duration) var(--ease-out);
}

.news-controls .search-box input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.news-controls .search-box input::placeholder {
    color: var(--text-muted);
}

.news-controls .search-box button {
    padding: 10px 18px;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 0 50px 50px 0;
    cursor: pointer;
    transition: all var(--duration) var(--ease-out);
    font-size: 0.9rem;
}

.news-controls .search-box button:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-glow);
}

/* 资讯列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* 资讯文章列表项 - 统一样式 */
.news-item {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    align-items: center;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--duration) var(--ease-out);
}

.news-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-alpha);
    transform: translateY(-2px);
}

.news-item .news-image {
    overflow: hidden;
}

.news-item .news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform var(--duration-slow) var(--ease-out);
}

.news-item:hover .news-image img {
    transform: scale(1.05);
}

.news-item .news-content {
    padding: 24px 24px 24px 0;
}

/* 元数据 */
.news-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.news-category {
    background: var(--primary-alpha);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 标题和摘要 */
.news-item h3 {
    color: var(--text);
    margin-bottom: 12px;
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color var(--duration) var(--ease-out);
}

.news-item:hover h3 {
    color: var(--primary);
}

.news-item p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.read-more {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--duration) var(--ease-out);
}

.read-more:hover {
    color: var(--primary);
    gap: 10px;
}

/* 热门标签云 */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tag {
    display: inline-block;
    padding: 8px 18px;
    background: var(--bg-light);
    color: var(--primary);
    border-radius: 50px;
    text-decoration: none;
    transition: all var(--duration) var(--ease-out);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.tag:hover {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(12, 79, 150, 0.2);
    transform: translateY(-1px);
}

/* 订阅资讯 CTA */
.newsletter {
    background: var(--primary-gradient);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-full);
}

.newsletter::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-full);
}

.newsletter-content {
    position: relative;
    z-index: 1;
}

.newsletter-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.newsletter-content p {
    font-size: 1.1rem;
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 480px;
    margin: 0 auto;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-family: var(--font-family);
    outline: none;
}

.newsletter-form input::placeholder {
    color: var(--text-muted);
}

.newsletter-form .btn {
    padding: 14px 32px;
    border-radius: 50px;
    background: var(--accent-gradient);
    color: var(--primary-dark);
    font-weight: 700;
    flex-shrink: 0;
}

.newsletter-form .btn:hover {
    box-shadow: 0 8px 24px rgba(212, 168, 83, 0.4);
    transform: translateY(-2px);
    color: var(--primary-dark);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .news-hero {
        height: 360px;
        background-attachment: scroll;
    }

    .news-hero .hero-content h1 {
        font-size: 2.5rem;
    }

    .news-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }

    .category-filter {
        justify-content: center;
    }

    .news-controls .search-box {
        max-width: 100%;
        margin: 0 auto;
    }

    .news-item.featured {
        grid-template-columns: 1fr;
    }

    .news-item.featured .news-image img {
        height: 280px;
    }

    .news-item.featured .news-content {
        padding: 0 24px 24px;
    }

    .newsletter {
        padding: 48px 32px;
    }

    .newsletter-form {
        flex-direction: column;
        gap: 12px;
    }

    .newsletter-form input,
    .newsletter-form .btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .news-hero {
        height: 320px;
    }

    .news-hero .hero-content h1 {
        font-size: 2rem;
    }

    .news-hero .hero-content p {
        font-size: 1rem;
    }

    .news-item {
        grid-template-columns: 1fr;
    }

    .news-item .news-image img {
        height: 220px;
    }

    .news-item .news-content {
        padding: 0 20px 20px;
    }

    .news-item .news-image {
        order: -1;
    }

    .news-meta {
        justify-content: flex-start;
    }

    .news-item h3 {
        font-size: 1.3rem;
    }

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

    .tags-cloud {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .news-hero {
        height: 280px;
    }

    .news-hero .hero-content h1 {
        font-size: 1.8rem;
    }

    .category-btn {
        padding: 6px 14px;
        font-size: 0.82rem;
    }

    .news-date {
        font-size: 0.82rem;
    }

    .read-more {
        font-size: 0.85rem;
    }

    .tag {
        padding: 6px 14px;
        font-size: 0.85rem;
    }

    .newsletter {
        padding: 36px 20px;
    }

    .newsletter-content h3 {
        font-size: 1.5rem;
    }

    .newsletter-content p {
        font-size: 0.95rem;
    }

    .newsletter-form input {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .newsletter-form .btn {
        padding: 12px 24px;
    }
}