/* =====================================================================
   全站样式 · 简单美化版
   ===================================================================== */

:root {
    --color-bg:        #f5f7fa;
    --color-card:      #ffffff;
    --color-text:      #1f2937;
    --color-text-soft:#6b7280;
    --color-primary:  #1e5fbf;
    --color-primary-soft:#e8f0ff;
    --color-accent:   #d4351c;
    --color-border:   #e5e7eb;
    --radius:          8px;
    --shadow-sm:       0 1px 2px rgba(0,0,0,.04), 0 1px 4px rgba(0,0,0,.04);
    --shadow-md:       0 2px 6px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
    --container-width: 960px;
    --font-sans:       -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                       "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color .15s ease;
}
a:hover { color: var(--color-accent); text-decoration: underline; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

code {
    background: #f1f3f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
}

/* ---------- 顶部 ---------- */
.site-header {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    flex-wrap: wrap;
    gap: 8px;
}
.site-header__logo {
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
}
.site-header__logo:hover { color: #fff; text-decoration: none; }
.site-header__mark {
    background: #fff;
    color: var(--color-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    letter-spacing: 1px;
}
.site-nav {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}
.site-nav__link {
    color: rgba(255,255,255,.85);
    font-size: 14px;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}
.site-nav__link:hover { color: #fff; text-decoration: none; }
.site-nav__link.is-active {
    color: #fff;
    border-bottom-color: #fff;
}

/* ---------- 顶部语言切换器 ---------- */
.lang-switch {
    display: flex;
    align-items: center;
    margin-left: 12px;
}
.lang-switch__btn {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(255,255,255,.12);
    color: #fff;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 14px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background .15s, border-color .15s;
}
.lang-switch__btn:hover {
    background: rgba(255,255,255,.25);
    text-decoration: none;
    color: #fff;
}

/* ---------- 首页文章卡片语言 tag ---------- */
.article-list__lang-tags {
    display: inline-flex;
    gap: 4px;
    margin-left: 6px;
}
.lang-tag {
    display: inline-block;
    padding: 1px 7px;
    font-size: 11px;
    color: var(--color-text-soft);
    background: #f1f3f5;
    border-radius: 3px;
    text-decoration: none;
    border: 1px solid transparent;
}
.lang-tag:hover {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    text-decoration: none;
}
.lang-tag--active {
    background: var(--color-primary);
    color: #fff;
}

/* ---------- 详情页内语言切换 ---------- */
.article-lang-switch {
    margin: 0 0 16px 0;
    padding: 8px 12px;
    background: #fafbfc;
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius);
    font-size: 14px;
}
.lang-tag-sep {
    color: var(--color-text-soft);
    margin: 0 6px;
}

/* ---------- 主区域 ---------- */
.main {
    padding: 28px 20px 56px;
}

/* ---------- 首页 hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary), #4d8df5);
    color: #fff;
    border-radius: var(--radius);
    padding: 28px 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}
.hero__title {
    margin: 0 0 8px;
    font-size: 24px;
}
.hero__desc {
    margin: 0 0 14px;
    color: rgba(255,255,255,.9);
    font-size: 14px;
    line-height: 1.7;
    max-width: 720px;
}
.hero__times {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.hero__times li {
    background: rgba(255,255,255,.18);
    padding: 4px 10px;
    border-radius: 14px;
    font-size: 12px;
    backdrop-filter: blur(2px);
}

/* ---------- 首页文章列表 ---------- */
.day-group { margin-bottom: 28px; }
.day-group__title {
    font-size: 18px;
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 6px;
}
.day-group__date { color: var(--color-primary); font-weight: 600; }
.day-group__weekday {
    font-size: 12px;
    color: var(--color-text-soft);
    background: var(--color-primary-soft);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: normal;
}

.article-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}
.article-list__item {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .15s ease, transform .15s ease;
}
.article-list__item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}
.article-list__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    color: var(--color-text);
    flex-wrap: wrap;
}
.article-list__link:hover { color: var(--color-text); text-decoration: none; }
.article-list__slot {
    background: var(--color-primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    flex-shrink: 0;
}
.article-list__name {
    flex: 1;
    font-weight: 500;
    min-width: 200px;
}
.article-list__stats {
    color: var(--color-text-soft);
    font-size: 12px;
    background: #f1f3f5;
    padding: 2px 8px;
    border-radius: 10px;
}
.article-list__time {
    color: var(--color-text-soft);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

/* ---------- 空状态 ---------- */
.empty {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    color: var(--color-text-soft);
    box-shadow: var(--shadow-sm);
}
.back-link {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 14px;
    background: var(--color-primary);
    color: #fff !important;
    border-radius: var(--radius);
    font-size: 13px;
}
.back-link:hover { background: var(--color-accent); text-decoration: none; }

/* ---------- 文章详情页 ---------- */
.article-wrap {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 28px 32px;
    box-shadow: var(--shadow-md);
}

.article__header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 14px;
    margin-bottom: 18px;
}
.article__title {
    margin: 0 0 6px;
    font-size: 22px;
    color: var(--color-primary);
}
.article__meta {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 13px;
}

.section {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--color-border);
}
.section:last-of-type {
    border-bottom: none;
}
.section__title {
    margin: 0 0 10px;
    font-size: 16px;
    padding-left: 10px;
    border-left: 4px solid var(--color-primary);
    color: var(--color-text);
}
.section__error,
.section__empty {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 13px;
    font-style: italic;
}
.section__error { color: var(--color-accent); }

.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 6px;
}
.news-list__item {
    padding: 6px 10px;
    border-radius: 4px;
    transition: background .12s ease;
    line-height: 1.5;
}
.news-list__item:hover {
    background: var(--color-primary-soft);
}
.news-list__item::before {
    content: "·";
    color: var(--color-primary);
    margin-right: 6px;
    font-weight: bold;
}
.news-list__item a {
    color: var(--color-text);
}
.news-list__item a:hover {
    color: var(--color-primary);
}

/* ---------- AI 整理后的内容 ---------- */
.ai-summary {
    margin-bottom: 28px;
    line-height: 1.85;
    font-size: 15.5px;
}
.ai-summary .ai-title {
    margin: 22px 0 10px;
    padding: 6px 0 6px 12px;
    border-left: 4px solid var(--color-primary);
    background: linear-gradient(to right, var(--color-primary-soft), transparent);
    font-size: 19px;
    color: var(--color-primary);
    font-weight: 600;
}
.ai-summary .ai-title:first-child {
    margin-top: 0;
}
.ai-summary .ai-sub-title {
    margin: 14px 0 8px;
    font-size: 16px;
    color: var(--color-text);
    font-weight: 600;
}
.ai-summary .ai-paragraph {
    margin: 0 0 12px;
    color: var(--color-text);
    text-indent: 0;
}
.ai-summary .ai-list {
    margin: 6px 0 12px 18px;
    padding: 0;
    list-style: disc;
}
.ai-summary .ai-list li {
    margin: 4px 0;
    line-height: 1.7;
}
.ai-summary strong {
    color: var(--color-primary);
    font-weight: 600;
}
.ai-summary code {
    background: #f1f3f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

/* ---------- 原始新闻来源折叠区 ---------- */
.raw-links {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px dashed var(--color-border);
}
.raw-links summary.raw-links__toggle {
    cursor: pointer;
    font-size: 15px;
    color: var(--color-primary);
    font-weight: 600;
    padding: 8px 0;
    user-select: none;
}
.raw-links summary.raw-links__toggle:hover {
    color: var(--color-accent);
}
.raw-links__group {
    margin: 14px 0;
    padding: 12px 14px;
    background: #fafbfc;
    border-radius: var(--radius);
    border-left: 3px solid var(--color-border);
}
.raw-links__title {
    margin: 0 0 8px;
    font-size: 14px;
    color: var(--color-text-soft);
    font-weight: 600;
}

.article__footer {
    margin-top: 28px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-soft);
    font-size: 12px;
}
.article__footer p { margin: 4px 0; }

/* ---------- 底部 ---------- */
.site-footer {
    background: #1f2937;
    color: rgba(255,255,255,.7);
    padding: 20px 0;
    font-size: 13px;
}
.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}
.site-footer p { margin: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
    .site-header__inner { height: auto; padding: 8px 0; }
    .site-nav { width: 100%; justify-content: flex-start; }
    .hero { padding: 22px 20px; }
    .hero__title { font-size: 20px; }
    .article-wrap { padding: 20px 18px; }
    .article__title { font-size: 19px; }
    .article-list__link { padding: 12px 14px; }
    .article-list__name { min-width: 100%; }
}