/* =========================================
   排列3彩票资讯网 - Global Stylesheet
   Mobile-first, responsive, no emoji
   ========================================= */

:root {
  --color-primary: #1e3a5f;
  --color-accent: #c9a84c;
  --color-accent-dark: #a8883a;
  --color-bg: #f8f9fb;
  --color-bg-alt: #eef2f7;
  --color-text: #1a1a2e;
  --color-text-light: #5a6070;
  --color-white: #ffffff;
  --color-border: #dde3ec;
  --color-nav-bg: #1e3a5f;
  --color-nav-text: #ffffff;
  --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(30, 58, 95, 0.08);
  --shadow-lg: 0 8px 24px rgba(30, 58, 95, 0.12);
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --max-w: 1200px;
  --nav-h: 64px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }
ul, ol { list-style: none; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.3; color: var(--color-primary); }

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }

/* Header / Nav */
.site-header {
  background: var(--color-nav-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  gap: 2rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.site-logo img {
  height: 38px;
  width: auto;
}

.site-logo-text {
  color: var(--color-white);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0 1.1rem;
  height: var(--nav-h);
  color: rgba(255,255,255,0.88);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  white-space: nowrap;
  position: relative;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-white);
}

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 1.1rem;
  right: 1.1rem;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px 2px 0 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}

.nav-toggle svg { fill: var(--color-white); width: 24px; height: 24px; }

/* Mobile menu */
.mobile-nav {
  display: none;
  background: var(--color-nav-bg);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav.open { display: block; }

.mobile-nav a {
  display: block;
  padding: 0.875rem 1.25rem;
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background var(--transition);
}

.mobile-nav a:hover { background: rgba(255,255,255,0.07); color: var(--color-white); }
.mobile-nav a[aria-current="page"] { color: var(--color-accent); }

/* Main content */
.site-main { flex: 1; }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.75);
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer-brand p { font-size: 0.875rem; line-height: 1.7; margin-top: 0.75rem; }

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul a { color: rgba(255,255,255,0.7); font-size: 0.875rem; }
.footer-col ul a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

/* Article layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  padding: 2.5rem 0;
  align-items: start;
}

.article-main { min-width: 0; }
.article-sidebar { position: sticky; top: calc(var(--nav-h) + 1.5rem); }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { opacity: 0.5; }

/* Article header */
.article-header { margin-bottom: 2rem; }

.article-category-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  margin-bottom: 0.875rem;
  letter-spacing: 0.03em;
}

.article-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.article-meta {
  font-size: 0.825rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.article-hero-img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

/* Article body */
.article-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 2rem 0 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.article-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 1.5rem 0 0.625rem;
}

.article-body p {
  margin-bottom: 1.25rem;
  color: var(--color-text);
  font-size: 0.975rem;
  line-height: 1.8;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.25rem 1.5rem;
  list-style: disc;
}

.article-body ol { list-style: decimal; }

.article-body li {
  margin-bottom: 0.5rem;
  font-size: 0.975rem;
  line-height: 1.7;
}

.article-body strong { color: var(--color-primary); font-weight: 600; }

.article-body .highlight-box {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
  font-size: 0.975rem;
}

.article-body .highlight-box strong { display: block; margin-bottom: 0.4rem; color: var(--color-accent-dark); }

.article-body .split-figure {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.article-body .inline-figure {
  margin: 1.5rem 0;
}

.article-body figure img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.article-body figure figcaption {
  font-size: 0.8rem;
  color: var(--color-text-light);
  text-align: center;
}

.article-body .faq-section { margin-top: 2.5rem; }

.article-body .faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.article-body .faq-item summary {
  padding: 0.875rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.975rem;
  list-style: none;
  background: var(--color-bg-alt);
}

.article-body .faq-item summary::before {
  content: "Q: ";
  color: var(--color-accent);
  font-weight: 700;
}

.article-body .faq-item p {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* Article aside */
.article-aside {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.article-aside h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 0.875rem 1.25rem;
  letter-spacing: 0.04em;
}

.article-aside ul { padding: 0.875rem 0; }

.article-aside li {
  padding: 0.625rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.article-aside li:last-child { border-bottom: none; }

.article-aside li a {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
  transition: color var(--transition);
}

.article-aside li a:hover { color: var(--color-accent-dark); }

.article-aside .related-date {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.2rem;
}

/* Category page */
.category-hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2.5rem 0;
  margin-bottom: 2rem;
}

.category-hero h1 {
  color: var(--color-white);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  margin-bottom: 0.5rem;
}

.category-hero p { opacity: 0.8; font-size: 0.95rem; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 0 0 2.5rem;
}

.article-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card-body { padding: 1.25rem; }

.article-card .card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  margin-bottom: 0.625rem;
}

.article-card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.article-card h2 a { color: inherit; }
.article-card h2 a:hover { color: var(--color-accent-dark); }

.article-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card .card-meta {
  font-size: 0.78rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-card .read-more {
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 0.82rem;
}

/* Homepage sections */
.home-section { padding: 2.5rem 0; }
.home-section-alt { background: var(--color-white); }

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.625rem;
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
}

/* Homepage hero */
.home-hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}

.home-hero .hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.home-hero h1 {
  color: var(--color-white);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.home-hero .hero-subtitle {
  font-size: 1rem;
  opacity: 0.82;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition);
}

.hero-cta:hover { background: var(--color-accent-dark); color: var(--color-white); }

.hero-image-wrap img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* Stats bar */
.stats-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.stats-inner {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 1.25rem 0.5rem;
  border-right: 1px solid var(--color-border);
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* Cards row */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.featured-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.featured-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.featured-card img { width: 100%; height: 180px; object-fit: cover; }

.featured-card-body { padding: 1rem 1.125rem; }

.featured-card .card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  margin-bottom: 0.5rem;
}

.featured-card h3 {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.featured-card h3 a { color: inherit; }
.featured-card h3 a:hover { color: var(--color-accent-dark); }

.featured-card p {
  font-size: 0.825rem;
  color: var(--color-text-light);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Two-col split section */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.split-section img { border-radius: var(--radius); width: 100%; }

.split-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.875rem;
}

.split-content p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.split-content ul {
  list-style: disc;
  margin: 0.75rem 0 1rem 1.25rem;
}

.split-content li {
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

/* Trust section */
.trust-section { background: var(--color-primary); color: var(--color-white); text-align: center; }
.trust-section h2 { color: var(--color-white); margin-bottom: 0.5rem; font-size: 1.4rem; }
.trust-section p { opacity: 0.8; font-size: 0.95rem; margin-bottom: 1.5rem; }

.trust-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.trust-feature-item { background: rgba(255,255,255,0.08); border-radius: var(--radius); padding: 1.5rem 1.25rem; }
.trust-feature-item .trust-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.trust-feature-item h4 { color: var(--color-white); font-size: 1rem; margin-bottom: 0.4rem; }
.trust-feature-item p { opacity: 0.75; font-size: 0.825rem; margin: 0; }

/* FAQ accordion */
.faq-list { max-width: 680px; margin: 0 auto; }

.faq-item summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  list-style: none;
  font-size: 0.975rem;
}

.faq-item summary::before { content: "Q: "; color: var(--color-accent); font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p {
  padding: 1rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.925rem;
  line-height: 1.7;
}

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2a5080 100%);
  color: var(--color-white);
  text-align: center;
  padding: 3rem 0;
}

.cta-banner h2 { color: var(--color-white); margin-bottom: 0.625rem; font-size: 1.5rem; }
.cta-banner p { opacity: 0.85; font-size: 0.975rem; margin-bottom: 1.5rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-features { grid-template-columns: 1fr; gap: 1rem; }
  .home-hero .hero-inner { grid-template-columns: 1fr; }
  .hero-image-wrap { display: none; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .featured-grid { grid-template-columns: 1fr; }
  .split-section { grid-template-columns: 1fr; }
  .article-body .split-figure { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .stats-inner { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--color-border); }
  .stat-item:last-child { border-bottom: none; }
}

@media (max-width: 480px) {
  :root { --nav-h: 56px; }
  .header-inner { gap: 1rem; }
  .site-logo-text { display: none; }
  .home-hero { padding: 2rem 0; }
}