/* 皇冠足球平台 - 全站共享样式 */
/* 版式: 侧栏目录型 + 卡片流 | 暗绿运动风 */
:root {
  --color-bg: #0a1612;
  --color-surface: #0f2018;
  --color-surface-2: #162b20;
  --color-border: #1e3d2d;
  --color-text: #e8f0ec;
  --color-text-muted: #8aab98;
  --color-accent: #2a9d5c;
  --color-accent-light: #3dbf7a;
  --color-accent-dark: #1a7a40;
  --color-warn: #e8a020;
  --radius: 6px;
  --radius-lg: 12px;
  --nav-height: 64px;
  --max-w: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent-light); text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

/* 导航栏 */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 22, 18, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
  height: 100%; display: flex; align-items: center; gap: 2rem;
}
.nav-logo { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.nav-logo img { height: 32px; width: auto; }
.nav-logo-text { font-size: 1.1rem; font-weight: 700; color: var(--color-text); }
.nav-links { display: flex; gap: 0; list-style: none; flex: 1; }
.nav-links li a {
  display: block; padding: 0 1rem; height: var(--nav-height); line-height: var(--nav-height);
  color: var(--color-text-muted); font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s, border-bottom 0.2s;
}
.nav-links li a:hover, .nav-links li a[aria-current="page"] {
  color: var(--color-accent-light); text-decoration: none;
}
.nav-links li a[aria-current="page"] { border-bottom: 2px solid var(--color-accent); }

/* 汉堡菜单 */
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; margin-left: auto; }
.nav-hamburger svg { width: 24px; height: 24px; stroke: var(--color-text); }

/* 移动端菜单 */
.mobile-menu { display: none; }
.mobile-menu.is-open { display: block; }
.mobile-menu-inner {
  background: var(--color-surface); border-top: 1px solid var(--color-border);
  padding: 0.5rem 0;
}
.mobile-menu-inner a {
  display: block; padding: 0.75rem 1.5rem; color: var(--color-text-muted);
  font-size: 0.95rem; border-bottom: 1px solid var(--color-border);
}
.mobile-menu-inner a:hover { color: var(--color-accent-light); background: var(--color-surface-2); }

/* 容器 */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

/* 页脚 */
.site-footer {
  background: var(--color-surface); border-top: 1px solid var(--color-border);
  margin-top: 4rem; padding: 2.5rem 0;
}
.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; }
.footer-col h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.4rem; }
.footer-col ul li a { color: var(--color-text-muted); font-size: 0.875rem; }
.footer-col ul li a:hover { color: var(--color-accent-light); }
.footer-bottom {
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center; font-size: 0.8rem; color: var(--color-text-muted);
}

/* 面包屑 */
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 1.5rem; flex-wrap: wrap; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent-light); }
.breadcrumb span { color: var(--color-border); }

/* 文章相关 */
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 2.5rem; padding: 2.5rem 0; align-items: start; }
.article-main {}
.article-meta { display: flex; gap: 1rem; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 1rem; flex-wrap: wrap; }
.article-meta .category-tag { background: var(--color-accent); color: #fff; padding: 0.1rem 0.5rem; border-radius: 3px; font-size: 0.75rem; }
.article-body h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.3; }
.article-body h2 { font-size: 1.3rem; font-weight: 600; margin: 2rem 0 0.75rem; color: var(--color-text); border-left: 3px solid var(--color-accent); padding-left: 0.75rem; }
.article-body h3 { font-size: 1.1rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.article-body p { margin-bottom: 1rem; color: var(--color-text); }
.article-body ul, .article-body ol { margin: 1rem 0 1rem 1.5rem; }
.article-body li { margin-bottom: 0.4rem; }
.article-body img { border-radius: var(--radius); margin: 1.5rem 0; }
.article-body strong { color: var(--color-accent-light); }
.article-figure { margin: 1.5rem 0; }
.article-figure figcaption { font-size: 0.8rem; color: var(--color-text-muted); text-align: center; margin-top: 0.5rem; }

/* 相关文章侧栏 */
.article-aside { position: sticky; top: calc(var(--nav-height) + 1.5rem); }
.aside-title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border); }
.aside-list { list-style: none; }
.aside-list li { margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--color-border); }
.aside-list li:last-child { border-bottom: none; margin-bottom: 0; }
.aside-list li a { font-size: 0.875rem; color: var(--color-text); font-weight: 500; display: block; }
.aside-list li a:hover { color: var(--color-accent-light); }
.aside-list li .aside-date { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.25rem; display: block; }

/* 栏目列表页 */
.category-header { padding: 2.5rem 0 1.5rem; }
.category-header h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; }
.category-header p { color: var(--color-text-muted); }
.article-list { display: grid; gap: 1.5rem; }
.article-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: border-color 0.2s; }
.article-card:hover { border-color: var(--color-accent); }
.article-card-img { width: 100%; height: 180px; object-fit: cover; }
.article-card-body { padding: 1.25rem; }
.article-card-body h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.article-card-body h2 a { color: var(--color-text); }
.article-card-body h2 a:hover { color: var(--color-accent-light); text-decoration: none; }
.article-card-body p { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.article-card-meta { font-size: 0.75rem; color: var(--color-text-muted); display: flex; gap: 1rem; }

/* 首页 */
.home-hero { position: relative; overflow: hidden; border-radius: var(--radius-lg); margin-bottom: 2rem; }
.home-hero img { width: 100%; height: 380px; object-fit: cover; }
.home-hero-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem; background: linear-gradient(transparent, rgba(10,22,18,0.9)); }
.home-hero-title { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.home-hero-sub { color: var(--color-text-muted); font-size: 0.95rem; }

.home-section { padding: 2rem 0; }
.home-section-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.25rem; display: flex; align-items: center; justify-content: space-between; }
.home-section-title a { font-size: 0.85rem; font-weight: 500; color: var(--color-accent-light); }

.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.category-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; text-align: center; transition: border-color 0.2s, background 0.2s; }
.category-card:hover { border-color: var(--color-accent); background: var(--color-surface-2); }
.category-card-icon { font-size: 2rem; margin-bottom: 0.5rem; display: block; }
.category-card-name { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.25rem; }
.category-card-count { font-size: 0.8rem; color: var(--color-text-muted); }

.article-card-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.article-card-row .article-card-img { height: 160px; }

.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.featured-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.featured-item img { width: 100%; height: 200px; object-fit: cover; }
.featured-item-body { padding: 1rem; }
.featured-item-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.featured-item-body h3 a { color: var(--color-text); }
.featured-item-body p { font-size: 0.8rem; color: var(--color-text-muted); }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 2rem 0; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; text-align: center; }
.stat-num { font-size: 1.75rem; font-weight: 700; color: var(--color-accent-light); margin-bottom: 0.25rem; }
.stat-label { font-size: 0.8rem; color: var(--color-text-muted); }

.data-table-wrap { overflow-x: auto; margin: 1.5rem 0; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th { background: var(--color-surface); padding: 0.75rem 1rem; text-align: left; border-bottom: 2px solid var(--color-accent); color: var(--color-text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.data-table td { padding: 0.6rem 1rem; border-bottom: 1px solid var(--color-border); }
.data-table tr:hover td { background: var(--color-surface); }

.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 0.75rem; overflow: hidden; }
.faq-q { padding: 1rem 1.25rem; font-weight: 600; font-size: 0.95rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-a { padding: 0 1.25rem 1rem; font-size: 0.875rem; color: var(--color-text-muted); display: none; }
.faq-item.is-open .faq-a { display: block; }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-icon { font-size: 1.2rem; transition: transform 0.2s; display: inline-block; }

/* JSON-LD 容器 */
.json-ld { display: none; }

/* 响应式 */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr 280px; gap: 2rem; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .article-card-row { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .article-card-row { grid-template-columns: 1fr; }
  .home-hero img { height: 220px; }
  .home-hero-title { font-size: 1.4rem; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .data-table { font-size: 0.8rem; }
  .data-table th, .data-table td { padding: 0.5rem 0.6rem; }
  .article-body h1 { font-size: 1.4rem; }
  .article-body h2 { font-size: 1.15rem; }
}