/* 全局CSS变量统一品牌色，一键换色 */
:root {
    --primary-color: #8b5a2b;
    --primary-light: #a87c4e;
    --primary-bg: #f8f3ee;
    --text-dark: #1e2a2e;
    --text-normal: #4a5568;
    --text-light: #6c757d;
    --border-light: #eef2f6;
    --border-gray: #f0f0f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.12);
    --transition-base: all 0.25s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 999px;
}

/* 全局提示弹窗样式 */
.flash-tip {
    position: fixed;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -20px);
    background: rgba(0,0,0,0.75);
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    z-index: 99999;
    opacity: 0;
    transition: var(--transition-base);
}
.flash-tip.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.news-flash-archive {
    background: #f5f5f5;
    padding: 2rem 0;
    min-height: 60vh;
}
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== 英雄区（Archive Header）深度美化 ===== */
.archive-header {
    background: linear-gradient(145deg, #f7efe6 0%, #e5d5c4 100%);
    padding: 3rem 2rem 2.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2.5rem;
    text-align: center;
    position: relative;
    box-shadow: 0 8px 30px rgba(90, 60, 40, 0.15);
    border-bottom: 4px solid #c4a68a;
}
.archive-header::before {
    content: '✦';
    position: absolute;
    top: 15px;
    right: 30px;
    font-size: 2rem;
    color: rgba(139, 90, 43, 0.15);
}
.archive-header::after {
    content: '✦';
    position: absolute;
    bottom: 15px;
    left: 30px;
    font-size: 2rem;
    color: rgba(139, 90, 43, 0.15);
}
.archive-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: #3d2b1f;
    margin: 0 0 0.4rem 0;
    letter-spacing: 3px;
    text-shadow: 0 2px 4px rgba(255,255,255,0.4);
}
.archive-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #c4a68a, #8b5a2b);
    margin: 0.6rem auto 0;
    border-radius: 2px;
}
.archive-desc {
    margin-top: 0.8rem;
    color: #5a4a3a;
    font-size: 1.15rem;
    font-weight: 300;
    letter-spacing: 1px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    background: rgba(255,255,255,0.4);
    padding: 0.4rem 1.2rem;
    border-radius: 30px;
    display: inline-block;
    backdrop-filter: blur(2px);
}

.archive-grid {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}
.main-content {
    flex: 2;
    min-width: 0;
}
.sidebar {
    flex: 1;
    min-width: 260px;
}

/* ===== 侧边栏小工具基础样式 ===== */
.sidebar-widget {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 1.2rem 1.4rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}
.sidebar-widget:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.widget-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.9rem 0;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-dark);
}
.widget-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.widget-list li {
    margin-bottom: 0.7rem;
    line-height: 1.5;
}
.widget-list li a {
    text-decoration: none;
    color: var(--text-normal);
    transition: var(--transition-base);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.widget-list li a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

/* ===== 最新图书、最新文章、诗歌与人 · 暖色协调 ===== */
.sidebar-widget.latest-books,
.sidebar-widget.latest-posts,
.sidebar-widget.poetry-human {
    background: #faf6f0;
    border-left: 4px solid #d4b8a0;
    border-radius: var(--radius-md);
    padding: 1.2rem 1.4rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(90, 60, 40, 0.06);
    transition: var(--transition-base);
}
.sidebar-widget.latest-books:hover,
.sidebar-widget.latest-posts:hover,
.sidebar-widget.poetry-human:hover {
    box-shadow: 0 6px 18px rgba(90, 60, 40, 0.12);
    transform: translateY(-3px);
}
.sidebar-widget.latest-books .widget-title,
.sidebar-widget.latest-posts .widget-title,
.sidebar-widget.poetry-human .widget-title {
    color: #6b4226;
    border-bottom-color: #d4b8a0;
    font-weight: 600;
}
.sidebar-widget.latest-books .widget-list li,
.sidebar-widget.latest-posts .widget-list li,
.sidebar-widget.poetry-human .widget-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 0.8rem;
    border-bottom: 1px dashed rgba(180, 150, 130, 0.2);
    padding-bottom: 0.6rem;
}
.sidebar-widget.latest-books .widget-list li:last-child,
.sidebar-widget.latest-posts .widget-list li:last-child,
.sidebar-widget.poetry-human .widget-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.sidebar-widget.latest-books .widget-list li::before,
.sidebar-widget.latest-posts .widget-list li::before,
.sidebar-widget.poetry-human .widget-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    top: 2px;
    color: #c4a68a;
    font-size: 0.6rem;
    line-height: 1.8;
}
.sidebar-widget.latest-books .widget-list li a,
.sidebar-widget.latest-posts .widget-list li a,
.sidebar-widget.poetry-human .widget-list li a {
    color: #4a3520;
    transition: var(--transition-base);
}
.sidebar-widget.latest-books .widget-list li a:hover,
.sidebar-widget.latest-posts .widget-list li a:hover,
.sidebar-widget.poetry-human .widget-list li a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

/* ===== 每日一句 · 独立设计 ===== */
.sidebar-widget.featured-quote {
    background: linear-gradient(145deg, #f9f5f0 0%, #eae0d6 100%);
    border: none;
    border-radius: 20px;
    padding: 1.2rem 1.5rem;
    box-shadow: 0 10px 40px rgba(90, 60, 40, 0.12);
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-align: center;
}
.sidebar-widget.featured-quote:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(90, 60, 40, 0.18);
}
.quote-text {
    font-size: 1.3rem;
    line-height: 1.7;
    color: #2d1f12;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-style: normal;
    margin: 0.2rem 0 0.1rem;
    padding: 0;
    background: transparent;
    border: none;
    text-shadow: none;
}
.quote-text::before {
    content: '“';
    font-size: 1.8rem;
    color: #8b5a2b;
    margin-right: 4px;
    opacity: 0.6;
}
.quote-text::after {
    content: '”';
    font-size: 1.8rem;
    color: #8b5a2b;
    margin-left: 4px;
    opacity: 0.6;
}
.quote-author {
    font-size: 0.95rem;
    color: #7a6556;
    font-family: 'Georgia', 'Times New Roman', serif;
    text-align: right;
    margin: 0.3rem 0 0;
    padding: 0.4rem 0.3rem 0 0;
    border-top: 1px dashed rgba(139, 90, 43, 0.2);
    letter-spacing: 0.5px;
    opacity: 0.8;
}
.sidebar-widget.featured-quote:hover .quote-author {
    opacity: 1;
}

/* ===== 快讯列表主体样式 ===== */
.news-flash-list {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    overflow: hidden;
}
.flash-date-group {
    margin: 0 1.8rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--border-light);
}
.flash-date-group:last-child {
    border-bottom: none;
}
.flash-date-title {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-light);
    margin: 0 0 1.1rem 0;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.flash-date-title::before {
    content: '';
    width: 4px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 2px;
}
.flash-item {
    position: relative;
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-gray);
    border-left: 3px solid transparent;
    transition: border-color 0.3s, background 0.3s;
}
.flash-item:hover {
    background: var(--primary-bg);
    border-left-color: var(--primary-color);
}
.flash-item:last-child {
    border-bottom: none;
}
.flash-timeline {
    position: relative;
    flex: 0 0 26px;
    margin-right: 12px;
}
.timeline-dot {
    position: absolute;
    top: 10px;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    z-index: 1;
    box-shadow: 0 0 0 3px rgba(139,90,43,0.15);
}
.flash-item:not(:last-child) .flash-timeline::after {
    content: '';
    position: absolute;
    top: 22px;
    left: 5px;
    width: 2px;
    height: calc(100% + 1rem);
    background: var(--border-light);
}
.flash-time {
    flex: 0 0 72px;
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 500;
    white-space: nowrap;
}
.flash-content {
    flex: 1;
}
.flash-title {
    margin: 0 0 0.4rem;
    font-size: 1.12rem;
    font-weight: 500;
    line-height: 1.45;
}
.flash-title a {
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition-base);
}
.flash-title a:hover {
    color: var(--primary-color);
}
.flash-external-icon {
    display: inline-block;
    margin-left: 5px;
    font-size: 0.82rem;
    color: var(--primary-color);
}
.flash-excerpt {
    font-size: 0.96rem;
    color: var(--text-normal);
    line-height: 1.65;
    margin-bottom: 0.5rem;
}
.flash-link {
    font-size: 0.86rem;
    margin-bottom: 0.5rem;
}
.flash-link a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
}
.flash-link a:hover {
    text-decoration: underline;
    color: var(--primary-light);
}
.flash-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    font-size: 0.86rem;
    flex-wrap: wrap;
}
.share-label {
    color: var(--text-light);
}
.share-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: var(--radius-sm);
    color: var(--text-light);
    transition: var(--transition-base);
    text-decoration: none;
    font-size: 1rem;
    background: #f5f0eb;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.share-icon:hover {
    color: #fff;
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
.flash-poster {
    background: linear-gradient(to right, #f8f3ee, #fff);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: 10px;
    padding: 4px 12px;
    transition: var(--transition-base);
}
.flash-poster:hover {
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
}
.flash-load-more {
    text-align: center;
    padding: 1.8rem 0;
    margin-top: 0.6rem;
}
.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid #dcdfe6;
    border-radius: var(--radius-full);
    padding: 0.6rem 1.8rem;
    font-size: 0.92rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-base);
}
.load-more-btn:hover:not(:disabled) {
    background: var(--primary-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.load-more-btn .fa-sync-alt {
    transition: transform 0.6s;
}
.load-more-btn:hover:not(:disabled) .fa-sync-alt {
    transform: rotate(180deg);
}
.load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 弹窗动画+美化 */
.poster-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.65);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.poster-modal.fade-in {
    opacity: 1;
    visibility: visible;
}
.poster-modal-content {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 90%;
    max-height: 90vh;
    overflow: auto;
    text-align: center;
    transform: scale(0.92);
    transition: transform 0.3s ease;
}
.poster-modal-content.scale-in {
    transform: scale(1);
}
.poster-image {
    max-width: 100%;
    height: auto;
    margin-bottom: 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}
.poster-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.poster-buttons button {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 9px 22px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.92rem;
    transition: var(--transition-base);
}
.poster-buttons .close-modal {
    background: var(--text-light);
}
.poster-buttons button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* 海报卡片（隐藏渲染用） */
.poster-card-hidden {
    position: fixed;
    top: -9999px;
    left: -9999px;
    width: 500px;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 22px;
    box-shadow: var(--shadow-lg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
.poster-card {
    width: 500px;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 22px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
.poster-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-light);
}
.poster-logo {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.25rem;
}
.poster-date {
    font-size: 0.82rem;
    color: var(--text-light);
}
.poster-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 14px;
    line-height: 1.42;
    color: var(--text-dark);
}
.poster-content {
    font-size: 0.92rem;
    color: var(--text-normal);
    line-height: 1.68;
    margin-bottom: 22px;
}
.poster-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 22px;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
}
.poster-footer-left {
    flex: 1;
    padding-right: 12px;
}
.poster-footer-text {
    font-size: 0.78rem;
    color: var(--primary-color);
    line-height: 1.5;
}
.poster-footer-qrcode {
    width: 70px;
    height: 70px;
    background: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .archive-grid {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .flash-item {
        flex-wrap: wrap;
        padding: 0.9rem 0;
    }
    .flash-timeline {
        display: none;
    }
    .flash-time {
        flex: 0 0 100%;
        margin-bottom: 6px;
    }
    .flash-date-group {
        margin: 0 1rem;
    }
    .poster-card-hidden,
    .poster-card {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    .archive-title {
        font-size: 2.2rem !important;
    }
    .flash-actions {
        gap: 6px;
    }
    .share-icon {
        width: 28px;
        height: 28px;
    }
    .sidebar-widget.featured-quote {
        padding: 1rem 1rem;
    }
    .quote-text {
        font-size: 1.1rem;
    }
    .quote-author {
        font-size: 0.85rem;
    }
    .archive-header {
        padding: 2rem 1rem;
    }
    .archive-header::before,
    .archive-header::after {
        display: none;
    }
    .archive-desc {
        font-size: 1rem;
        padding: 0.3rem 0.8rem;
    }
}