/* =========================================
   足球博彩平台 - 整站样式
   DESIGN_VARIANCE: 8 / MOTION: 6 / DENSITY: 4
   content_dir: articles
   ========================================= */

:root {
  --clr-bg: #0a0e1a;
  --clr-surface: #111827;
  --clr-surface2: #1a2235;
  --clr-border: #1e2d45;
  --clr-accent: #d4af37;
  --clr-accent2: #f0c040;
  --clr-text: #e8edf5;
  --clr-muted: #8b9ab5;
  --clr-highlight: #1a3a5c;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.25s cubic-bezier(0.16,1,0.3,1);
}

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

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

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  line-height: 1.7;
  min-height: 100dvh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }

/* ---- Header ---- */
.site-header {
  background: rgba(10,14,26,0.92);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.header-logo img {
  height: 36px;
  width: auto;
}
.header-logo span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: 0.02em;
}
.site-nav {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}
.site-nav a {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--clr-muted);
  transition: var(--transition);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--clr-accent);
  background: rgba(212,175,55,0.08);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  margin-left: auto;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  margin-top: 5rem;
  padding: 3rem 1.5rem 2rem;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--clr-border);
}
.footer-brand p {
  color: var(--clr-muted);
  font-size: 0.88rem;
  margin-top: 0.75rem;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-muted);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul a {
  font-size: 0.9rem;
  color: var(--clr-text);
  opacity: 0.8;
  transition: var(--transition);
}
.footer-col ul a:hover { opacity: 1; color: var(--clr-accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--clr-muted);
}

/* ---- Container ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Section ---- */
.section { padding: 3.5rem 0; }
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--clr-text);
}
.section-title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--clr-accent);
  border-radius: 2px;
  margin-top: 0.5rem;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  height: 480px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,0.95) 0%, rgba(10,14,26,0.3) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #fff;
}
.hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: 1.5rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--clr-accent);
  color: #0a0e1a;
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--clr-accent2); transform: translateY(-1px); }

/* ---- Article Card ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card-body { padding: 1.2rem; flex: 1; display: flex; flex-direction: column; }
.card-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-accent);
  margin-bottom: 0.4rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.6rem;
  color: var(--clr-text);
}
.card-title a:hover { color: var(--clr-accent); }
.card-excerpt {
  font-size: 0.85rem;
  color: var(--clr-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  font-size: 0.78rem;
  color: var(--clr-muted);
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card-meta svg { width: 12px; height: 12px; }

/* ---- Article Page ---- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  padding: 2.5rem 0;
}
.article-main {}
.article-header { margin-bottom: 2rem; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 1.2rem;
}
.breadcrumb a:hover { color: var(--clr-accent); }
.breadcrumb span { opacity: 0.5; }
.article-header h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}
.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--clr-muted);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 1.5rem;
}
.article-meta-bar .tag {
  background: rgba(212,175,55,0.12);
  color: var(--clr-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
}
.article-hero-img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}
.article-body { font-size: 0.97rem; line-height: 1.9; color: var(--clr-text); }
.article-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  color: var(--clr-text);
}
.article-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--clr-accent);
}
.article-body p { margin-bottom: 1rem; }
.article-body ul, .article-body ol {
  margin: 0.75rem 0 1rem 1.25rem;
  list-style: disc;
}
.article-body li { margin-bottom: 0.4rem; }
.article-body strong { color: var(--clr-accent); font-weight: 600; }
.article-body img {
  border-radius: var(--radius);
  margin: 1.5rem 0;
}
.article-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-border);
  font-size: 0.85rem;
  color: var(--clr-muted);
}
.article-footer a { color: var(--clr-accent); }
.article-nav {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}
.article-nav a {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  transition: var(--transition);
}
.article-nav a:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* ---- Sidebar ---- */
.sidebar aside {
  position: sticky;
  top: 88px;
}
.widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.widget-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--clr-border);
}
.related-list { display: flex; flex-direction: column; gap: 0.75rem; }
.related-list a {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  transition: var(--transition);
  padding: 0.5rem;
  border-radius: var(--radius);
}
.related-list a:hover { background: var(--clr-surface2); }
.related-list img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}
.related-list .rel-info {}
.related-list .rel-title {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--clr-text);
}
.related-list a:hover .rel-title { color: var(--clr-accent); }
.related-list .rel-date {
  font-size: 0.75rem;
  color: var(--clr-muted);
  margin-top: 0.2rem;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-cloud span {
  padding: 0.3rem 0.75rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--clr-muted);
  cursor: pointer;
  transition: var(--transition);
}
.tag-cloud span:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* ---- Category Page ---- */
.page-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 2rem;
}
.page-header h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.5rem; }
.page-header p { color: var(--clr-muted); font-size: 0.95rem; }

/* ---- Stats Bar ---- */
.stats-bar {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-around;
  gap: 1rem;
  margin: 2rem 0;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--clr-muted); margin-top: 0.25rem; }

/* ---- FAQ ---- */
.faq-item {
  border-bottom: 1px solid var(--clr-border);
  padding: 1.25rem 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-weight: 600;
  font-size: 0.97rem;
  margin-bottom: 0.5rem;
  color: var(--clr-text);
}
.faq-a { font-size: 0.9rem; color: var(--clr-muted); line-height: 1.7; }

/* ---- Mobile Responsive ---- */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .sidebar aside { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-nav { display: none; }
  .menu-toggle { display: block; }
  .card-grid { grid-template-columns: 1fr; }
  .hero { height: 360px; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .article-hero-img { height: 220px; }
  .stats-bar { flex-wrap: wrap; }
  .section { padding: 2rem 0; }
}
@media (max-width: 480px) {
  .header-inner { gap: 1rem; }
  .header-logo span { display: none; }
}