/* 新闻详情弹窗样式 */
.news-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.news-modal.active {
    display: block;
}

.news-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.news-modal-content {
    position: relative;
    max-width: 900px;
    max-height: 90vh;
    margin: 5vh auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.news-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #333;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.news-modal-close:hover {
    background: #fff;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* 加载动画 */
.news-modal-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 40px;
    min-height: 400px;
}

.news-modal-loading.hidden {
    display: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.news-modal-loading p {
    font-size: 16px;
    color: #6c757d;
    font-weight: 500;
    margin: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 新闻内容容器 */
.news-modal-inner {
    display: flex;
    flex-direction: column;
    opacity: 0;
    animation: fadeInContent 0.4s ease forwards;
    flex: 1;
    overflow-y: auto;
    max-height: 100%;
}

.news-modal-inner.hidden {
    display: none;
}

@keyframes fadeInContent {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-modal-header {
    padding: 40px 50px 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 1px solid #e9ecef;
}

.news-modal-category {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.news-modal-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.4;
    margin: 0 0 12px 0;
    font-family: 'Noto Sans JP', sans-serif;
}

.news-modal-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6c757d;
    font-weight: 500;
}

.news-modal-date::before {
    content: "\f073";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: #667eea;
}

.news-modal-image {
    width: 100%;
    max-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    overflow: hidden;
}

.news-modal-image img {
    max-width: 100%;
    max-height: 300px;
    height: auto;
    object-fit: contain;
    display: block;
}

.news-modal-body {
    padding: 40px 50px;
    font-family: 'Noto Sans JP', sans-serif;
}

/* 新闻内容样式 */
.news-modal-body p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
}

.news-modal-body h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 35px 0 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #667eea;
    display: inline-block;
}

.news-modal-body ul {
    margin: 20px 0;
    padding-left: 0;
    list-style: none;
}

.news-modal-body li {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 12px;
    padding-left: 30px;
    position: relative;
}

.news-modal-body li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 18px;
}

.news-modal-body strong {
    color: #667eea;
    font-weight: 600;
}

.news-modal-body .highlight-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 4px solid #667eea;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.news-modal-body .button-container {
    margin-top: 30px;
    text-align: center;
}

.news-modal-body .news-action-button {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.news-modal-body .news-action-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4);
}

.news-modal-body .news-action-button i {
    margin-left: 8px;
}

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

.news-modal-inner::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.news-modal-inner::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 10px;
}

.news-modal-inner::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-modal-content {
        max-width: 95%;
        margin: 20px auto;
        max-height: calc(100vh - 40px);
        border-radius: 12px;
    }

    .news-modal-header {
        padding: 30px 25px 20px;
    }

    .news-modal-title {
        font-size: 22px;
    }

    .news-modal-body {
        padding: 25px;
    }

    .news-modal-body h3 {
        font-size: 19px;
    }

    .news-modal-body p,
    .news-modal-body li {
        font-size: 15px;
    }

    .news-modal-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

/* 防止背景滚动 */
body.modal-open {
    overflow: hidden;
}