/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0d2137;
  --primary-light: #1a3a5c;
  --primary-dark: #070f1a;
  --secondary: #e8a427;
  --secondary-light: #f0c14b;
  --secondary-dark: #c98a1e;
  --bg: #f5f7fa;
  --bg-dark: #0a1628;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --text-white: #ffffff;
  --border: #e5e7eb;
  --border-light: #f0f0f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.14);
  --shadow-hero: 0 20px 60px rgba(0,0,0,0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
  --font: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --gradient-primary: linear-gradient(135deg, #0d2137 0%, #1a3a5c 100%);
  --gradient-secondary: linear-gradient(135deg, #e8a427 0%, #f0c14b 100%);
  --gradient-hero: linear-gradient(135deg, rgba(13,33,55,0.92) 0%, rgba(26,58,92,0.80) 100%);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
button { cursor: pointer; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
p { margin-bottom: 1rem; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { text-align: center; font-size: 2.2rem; font-weight: 800; margin-bottom: 0.75rem; color: var(--text); letter-spacing: -0.5px; }
.section-subtitle { text-align: center; font-size: 1.1rem; color: var(--text-light); margin-bottom: 3rem; max-width: 640px; margin-left: auto; margin-right: auto; }
.section-divider { width: 60px; height: 4px; background: var(--gradient-secondary); border-radius: 4px; margin: 0 auto 1.5rem; }

/* ===== Header & Nav ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  background: rgba(13, 33, 55, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.2); }
.header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: center;
  position: relative;
}
.nav-left, .nav-right {
  display: flex; align-items: center; gap: 8px;
  flex: 1;
}
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.75);
  transition: var(--transition); letter-spacing: 0.3px;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-link.active { color: var(--secondary); background: rgba(232,164,39,0.12); }
.nav-link i { font-size: 1rem; }
.logo-wrap {
  display: flex; align-items: center; justify-content: center;
  padding: 0 28px; flex-shrink: 0;
}
.logo-link {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.5rem; font-weight: 800; color: #fff;
  letter-spacing: 1px; transition: var(--transition);
}
.logo-link:hover { color: var(--secondary); }
.logo-link .logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--primary); font-weight: 900;
}
.logo-link .logo-text { font-size: 1.35rem; font-weight: 800; }
.mobile-toggle { display: none; color: #fff; font-size: 1.5rem; padding: 8px; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  margin-top: var(--header-height);
  background: var(--bg-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  transform: scale(1.05); transition: transform 8s ease;
  animation: heroZoom 20s infinite alternate;
}
@keyframes heroZoom { 0% { transform: scale(1.05); } 100% { transform: scale(1.15); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; text-align: center; padding-top: 40px; padding-bottom: 60px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232,164,39,0.15); border: 1px solid rgba(232,164,39,0.25);
  padding: 8px 22px; border-radius: 50px; font-size: 0.9rem; color: var(--secondary);
  margin-bottom: 1.8rem; backdrop-filter: blur(4px);
  letter-spacing: 1px; font-weight: 500;
}
.hero-badge i { font-size: 0.85rem; }
.hero h1 {
  font-size: 3.6rem; font-weight: 900; color: #fff;
  line-height: 1.15; margin-bottom: 1.2rem;
  letter-spacing: -1px; text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero h1 span { color: var(--secondary); }
.hero p {
  font-size: 1.2rem; color: rgba(255,255,255,0.75);
  max-width: 600px; margin: 0 auto 2.2rem;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 34px; border-radius: 50px; font-weight: 600;
  font-size: 1rem; transition: var(--transition); letter-spacing: 0.3px;
  border: none; cursor: pointer;
}
.btn-primary {
  background: var(--gradient-secondary); color: var(--primary);
  box-shadow: 0 4px 20px rgba(232,164,39,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232,164,39,0.45); }
.btn-outline {
  background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); background: rgba(232,164,39,0.08); }
.btn-lg { padding: 16px 42px; font-size: 1.1rem; }
.hero-stats { display: flex; gap: 40px; justify-content: center; margin-top: 3.5rem; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat-number { font-size: 2.2rem; font-weight: 800; color: #fff; display: block; }
.hero-stat-number i { color: var(--secondary); font-size: 1.8rem; margin-right: 6px; }
.hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-top: 4px; }

/* ===== Features ===== */
.features { background: #fff; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature-card {
  background: var(--bg); border-radius: var(--radius);
  padding: 40px 32px; text-align: center;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.feature-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--gradient-secondary); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem; font-size: 1.8rem; color: var(--primary);
}
.feature-card h3 { font-size: 1.3rem; margin-bottom: 0.8rem; }
.feature-card p { font-size: 0.95rem; color: var(--text-light); margin: 0; }

/* ===== Sports Categories ===== */
.categories { background: var(--bg); }
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cat-card {
  position: relative; border-radius: var(--radius);
  overflow: hidden; aspect-ratio: 4/3;
  display: flex; align-items: flex-end;
  background: var(--bg-dark);
  transition: var(--transition); cursor: pointer;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cat-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: var(--transition-slow); }
.cat-card:hover img { transform: scale(1.08); }
.cat-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(13,33,55,0.85) 0%, rgba(13,33,55,0.1) 60%, transparent 100%);
  z-index: 1;
}
.cat-card-content { position: relative; z-index: 2; padding: 24px 20px; width: 100%; }
.cat-card-content h3 { color: #fff; font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
.cat-card-content p { color: rgba(255,255,255,0.65); font-size: 0.85rem; margin: 0; }
.cat-card .cat-badge {
  display: inline-block; padding: 2px 12px; border-radius: 20px;
  background: var(--secondary); color: var(--primary); font-size: 0.75rem; font-weight: 700;
  margin-bottom: 8px;
}

/* ===== Latest News (CMS) ===== */
.news { background: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-card {
  display: flex; gap: 20px;
  background: var(--bg); border-radius: var(--radius);
  padding: 20px; border: 1px solid var(--border-light);
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.news-card-image {
  width: 180px; min-height: 130px; border-radius: var(--radius-sm);
  overflow: hidden; flex-shrink: 0;
  background: var(--primary-light);
}
.news-card-image img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.news-card-body .news-cat {
  display: inline-block; padding: 2px 12px; border-radius: 20px;
  background: rgba(232,164,39,0.12); color: var(--secondary-dark);
  font-size: 0.75rem; font-weight: 600; margin-bottom: 6px; width: fit-content;
}
.news-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.news-card-body h3 a { color: var(--text); }
.news-card-body h3 a:hover { color: var(--primary-light); }
.news-card-body p { font-size: 0.9rem; color: var(--text-light); margin: 0 0 8px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body .news-meta { font-size: 0.8rem; color: var(--text-lighter); display: flex; gap: 16px; align-items: center; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 1.1rem; background: var(--bg); border-radius: var(--radius); }

/* ===== Stats Counter ===== */
.stats-section {
  background: var(--bg-dark);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover; background-position: center; background-attachment: fixed;
  position: relative;
}
.stats-section::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(13,33,55,0.88);
}
.stats-section .container { position: relative; z-index: 1; }
.stats-section .section-title { color: #fff; }
.stats-section .section-subtitle { color: rgba(255,255,255,0.6); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-item { padding: 30px 20px; }
.stat-item .stat-number { font-size: 2.8rem; font-weight: 900; color: #fff; display: block; margin-bottom: 8px; }
.stat-item .stat-number i { color: var(--secondary); font-size: 2.2rem; margin-right: 6px; }
.stat-item .stat-label { font-size: 1rem; color: rgba(255,255,255,0.6); font-weight: 500; }

/* ===== How It Works ===== */
.how-it-works { background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.step-card { text-align: center; padding: 32px 20px; position: relative; }
.step-number {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--gradient-secondary); color: var(--primary);
  font-size: 1.4rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.2rem; position: relative; z-index: 2;
}
.step-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.step-card p { font-size: 0.92rem; color: var(--text-light); margin: 0; }
.step-connector {
  position: absolute; top: 28px; left: calc(50% + 30px); right: calc(-50% + 30px);
  height: 2px; background: var(--border); z-index: 0;
}
.step-card:last-child .step-connector { display: none; }

/* ===== Featured / Hot ===== */
.featured { background: var(--bg); }
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.featured-card {
  border-radius: var(--radius); overflow: hidden;
  background: #fff; border: 1px solid var(--border-light);
  transition: var(--transition);
}
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.featured-card-image {
  aspect-ratio: 16/9; overflow: hidden; background: var(--primary-light);
  position: relative;
}
.featured-card-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-slow); }
.featured-card:hover .featured-card-image img { transform: scale(1.05); }
.featured-card-image .hot-tag {
  position: absolute; top: 12px; left: 12px;
  background: var(--secondary); color: var(--primary); padding: 3px 14px;
  border-radius: 20px; font-size: 0.75rem; font-weight: 700;
}
.featured-card-body { padding: 20px 22px 24px; }
.featured-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.featured-card-body p { font-size: 0.9rem; color: var(--text-light); margin: 0 0 12px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.featured-card-body .featured-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: var(--text-lighter); }

/* ===== FAQ ===== */
.faq { background: #fff; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; transition: var(--transition);
}
.faq-item:hover { border-color: var(--secondary); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 24px; cursor: pointer; font-weight: 600; font-size: 1.05rem;
  background: var(--bg); transition: var(--transition); user-select: none;
}
.faq-question:hover { background: rgba(232,164,39,0.04); }
.faq-question i { color: var(--text-light); transition: var(--transition); font-size: 1.1rem; }
.faq-item.active .faq-question { background: rgba(232,164,39,0.06); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--secondary); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px; color: var(--text-light); font-size: 0.98rem; line-height: 1.7;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }

/* ===== CTA ===== */
.cta-section {
  background: var(--bg-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover; background-position: center;
  position: relative; padding: 80px 0;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(13,33,55,0.85);
}
.cta-section .container { position: relative; z-index: 1; text-align: center; }
.cta-section h2 { font-size: 2.4rem; font-weight: 800; color: #fff; margin-bottom: 1rem; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark); color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .logo-link { margin-bottom: 1rem; justify-content: flex-start; }
.footer-brand p { font-size: 0.92rem; max-width: 320px; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1.2rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.92rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 40px; padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--secondary); }

/* ===== Mobile Nav ===== */
@media (max-width: 1024px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.9rem; }
  .hero h1 { font-size: 2.8rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step-connector { display: none; }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .header-inner { padding: 0 16px; }
  .nav-left, .nav-right { display: none; }
  .mobile-toggle { display: block; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); z-index: 10; }
  .logo-wrap { position: absolute; left: 50%; transform: translateX(-50%); padding: 0; }
  .logo-link .logo-text { font-size: 1.2rem; }
  .mobile-menu-open .nav-left,
  .mobile-menu-open .nav-right {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--header-height); left: 0; right: 0;
    background: rgba(13,33,55,0.99); backdrop-filter: blur(12px);
    padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.06);
    gap: 4px;
  }
  .mobile-menu-open .nav-left { padding-bottom: 4px; }
  .mobile-menu-open .nav-right { padding-top: 4px; border-top: 1px solid rgba(255,255,255,0.06); }
  .mobile-menu-open .nav-link { padding: 12px 16px; font-size: 1rem; width: 100%; justify-content: center; }
  .hero { min-height: 70vh; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; }
  .hero-stat-number { font-size: 1.6rem; }
  .section-title { font-size: 1.6rem; }
  .features-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-card { flex-direction: column; }
  .news-card-image { width: 100%; min-height: 180px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item .stat-number { font-size: 2rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-section h2 { font-size: 1.8rem; }
  .btn-lg { padding: 14px 32px; font-size: 1rem; }
}

@media (max-width: 520px) {
  .section { padding: 44px 0; }
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.7rem; }
  .categories-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .faq-question { font-size: 0.95rem; padding: 16px 18px; }
}

/* ===== Accessibility ===== */
a:focus-visible, button:focus-visible, .nav-link:focus-visible {
  outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px;
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --secondary: #1d3557;
  --secondary-light: #2a4a7f;
  --accent: #f4a261;
  --accent-light: #f8c291;
  --bg-body: #f8f9fa;
  --bg-dark: #1a1a2e;
  --bg-card: #ffffff;
  --bg-section-alt: #f0f2f5;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-light: #6c757d;
  --text-white: #ffffff;
  --border-color: #e0e0e0;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.16);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --container-max: 1200px;
  --header-height: 72px;
  --spacing-section: 80px;
  --spacing-block: 48px;
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}
body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text-primary);background:var(--bg-body);-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,textarea{font:inherit;border:none;outline:none;transition:var(--transition)}
button{cursor:pointer;background:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-primary)}
h1{font-size:2.8rem;letter-spacing:-0.02em}
h2{font-size:2.2rem;letter-spacing:-0.01em;margin-bottom:16px}
h3{font-size:1.4rem;margin-bottom:10px}
h4{font-size:1.1rem;margin-bottom:8px}
p{margin-bottom:16px;color:var(--text-secondary)}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 24px}
/* ===== Header & Navigation ===== */
.site-header{position:fixed;top:0;left:0;width:100%;height:var(--header-height);background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--container-max);margin:0 auto;padding:0 24px}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;font-size:0.95rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition);position:relative}
.nav-link i{font-size:0.9rem}
.nav-link:hover{color:var(--primary);background:rgba(230,57,70,0.06)}
.nav-link.active{color:var(--primary);background:rgba(230,57,70,0.10);font-weight:600}
.nav-link.active::after{content:'';position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--primary);border-radius:2px}
.logo-link{display:flex;align-items:center;gap:10px;text-decoration:none;padding:4px 12px}
.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:1.4rem;font-weight:800;border-radius:var(--radius-sm);box-shadow:0 2px 10px rgba(230,57,70,0.3)}
.logo-text{font-size:1.35rem;font-weight:700;color:var(--text-primary);letter-spacing:1px}
.logo-text span{color:var(--primary)}
.mobile-toggle{display:none;font-size:1.5rem;color:var(--text-primary);padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;background:transparent;transition:var(--transition)}
.mobile-toggle:hover{background:rgba(0,0,0,0.05)}
/* ===== Hero / Banner ===== */
.category-hero{position:relative;margin-top:var(--header-height);padding:120px 0 100px;background:linear-gradient(135deg,var(--bg-dark) 0%,#16213e 50%,#0f3460 100%);overflow:hidden;min-height:420px;display:flex;align-items:center}
.category-hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;opacity:0.25;mix-blend-mode:overlay}
.category-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,rgba(230,57,70,0.15),transparent 60%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);backdrop-filter:blur(8px);padding:8px 24px;border-radius:50px;font-size:0.85rem;color:var(--text-white);margin-bottom:24px;border:1px solid rgba(255,255,255,0.15)}
.hero-badge i{color:var(--accent)}
.hero-content h1{color:var(--text-white);font-size:3.2rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.hero-content h1 span{color:var(--accent)}
.hero-content p{color:rgba(255,255,255,0.85);font-size:1.15rem;max-width:600px;margin:0 auto 32px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;font-size:1rem;font-weight:600;border-radius:var(--radius-md);transition:var(--transition);border:none;cursor:pointer}
.btn-primary{background:var(--primary);color:var(--text-white);box-shadow:0 4px 16px rgba(230,57,70,0.35)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 28px rgba(230,57,70,0.45);color:#fff}
.btn-outline{background:transparent;color:var(--text-white);border:2px solid rgba(255,255,255,0.4)}
.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:var(--text-white);transform:translateY(-2px);color:#fff}
.btn-sm{padding:10px 20px;font-size:0.9rem;border-radius:var(--radius-sm)}
/* ===== Section Common ===== */
.section{padding:var(--spacing-section) 0}
.section-alt{background:var(--bg-section-alt)}
.section-dark{background:var(--bg-dark);color:var(--text-white)}
.section-dark h2,.section-dark h3,.section-dark p{color:var(--text-white)}
.section-dark p{color:rgba(255,255,255,0.8)}
.section-header{text-align:center;margin-bottom:var(--spacing-block)}
.section-header h2{position:relative;display:inline-block}
.section-header h2::after{content:'';display:block;width:60px;height:4px;background:var(--primary);border-radius:2px;margin:12px auto 0}
.section-header p{max-width:600px;margin:12px auto 0;font-size:1.05rem}
/* ===== Category Tabs ===== */
.category-tabs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:40px}
.category-tab{padding:10px 28px;border-radius:50px;background:var(--bg-card);border:2px solid var(--border-color);font-weight:600;font-size:0.95rem;color:var(--text-secondary);transition:var(--transition);cursor:pointer}
.category-tab:hover{border-color:var(--primary);color:var(--primary);background:rgba(230,57,70,0.04)}
.category-tab.active{background:var(--primary);color:var(--text-white);border-color:var(--primary);box-shadow:0 4px 16px rgba(230,57,70,0.30)}
.category-tab i{margin-right:6px}
/* ===== Card Grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border-color)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.card-img{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--bg-section-alt)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.card:hover .card-img img{transform:scale(1.06)}
.card-badge{position:absolute;top:14px;left:14px;padding:4px 14px;border-radius:50px;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;z-index:2}
.card-badge.hot{background:var(--primary);color:#fff}
.card-badge.live{background:#00b894;color:#fff}
.card-badge.new{background:var(--accent);color:#fff}
.card-body{padding:22px 24px 24px}
.card-body h3{font-size:1.15rem;margin-bottom:8px;color:var(--text-primary)}
.card-body h3 a{color:inherit}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{font-size:0.92rem;color:var(--text-light);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:16px;font-size:0.82rem;color:var(--text-light);padding-top:14px;border-top:1px solid var(--border-color)}
.card-meta i{margin-right:4px}
.card-meta .tag{display:inline-block;padding:2px 12px;border-radius:50px;background:rgba(230,57,70,0.08);color:var(--primary);font-weight:600;font-size:0.75rem}
/* ===== Stats Section ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{text-align:center;background:rgba(255,255,255,0.06);border-radius:var(--radius-md);padding:36px 20px;border:1px solid rgba(255,255,255,0.08);backdrop-filter:blur(6px);transition:var(--transition)}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(230,57,70,0.3);background:rgba(255,255,255,0.10)}
.stat-number{font-size:2.8rem;font-weight:800;color:var(--accent);line-height:1.2;margin-bottom:6px}
.stat-label{font-size:0.95rem;color:rgba(255,255,255,0.8);font-weight:500}
.stat-card .stat-icon{font-size:2rem;margin-bottom:12px;color:var(--accent-light);opacity:0.7}
/* ===== Content List ===== */
.content-list{display:flex;flex-direction:column;gap:16px}
.list-item{display:flex;align-items:center;gap:20px;padding:20px 24px;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:var(--transition);cursor:default}
.list-item:hover{box-shadow:var(--shadow-md);border-color:transparent;transform:translateX(4px)}
.list-num{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-weight:800;font-size:1.1rem;flex-shrink:0}
.list-num.gold{background:linear-gradient(135deg,#f4a261,#e76f51);color:#fff}
.list-num.silver{background:linear-gradient(135deg,#bdc3c7,#95a5a6);color:#fff}
.list-num.bronze{background:linear-gradient(135deg,#cd7f32,#a0522d);color:#fff}
.list-num.normal{background:var(--bg-section-alt);color:var(--text-secondary)}
.list-content{flex:1;min-width:0}
.list-content h4{font-size:1rem;margin-bottom:4px}
.list-content h4 a{color:var(--text-primary)}
.list-content h4 a:hover{color:var(--primary)}
.list-content p{font-size:0.88rem;color:var(--text-light);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.list-meta{display:flex;align-items:center;gap:14px;font-size:0.8rem;color:var(--text-light);flex-shrink:0}
.list-meta span{display:flex;align-items:center;gap:4px}
/* ===== Process / Steps ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:32px 20px;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);position:relative;transition:var(--transition)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-number{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:1.4rem;font-weight:800;margin:0 auto 16px;box-shadow:0 4px 16px rgba(230,57,70,0.3)}
.step-card h4{font-size:1.1rem;margin-bottom:8px}
.step-card p{font-size:0.9rem;color:var(--text-light);margin:0}
.step-arrow{position:absolute;top:50%;right:-18px;transform:translateY(-50%);font-size:1.4rem;color:var(--primary);opacity:0.4;z-index:2}
.step-card:last-child .step-arrow{display:none}
/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:var(--transition)}
.faq-item:hover{border-color:rgba(230,57,70,0.2)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:1rem;color:var(--text-primary);background:transparent;width:100%;text-align:left;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question i{transition:transform 0.3s ease;color:var(--text-light);font-size:0.9rem}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--primary)}
.faq-answer{padding:0 24px 20px;font-size:0.95rem;color:var(--text-secondary);line-height:1.8;display:none}
.faq-item.active .faq-answer{display:block}
/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,var(--bg-dark) 0%,#16213e 50%,#0f3460 100%);position:relative;overflow:hidden;padding:80px 0}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;opacity:0.10;mix-blend-mode:overlay}
.cta-content{position:relative;z-index:2;text-align:center;max-width:700px;margin:0 auto}
.cta-content h2{color:var(--text-white);font-size:2.4rem;margin-bottom:16px}
.cta-content p{color:rgba(255,255,255,0.8);font-size:1.05rem;margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,0.8);padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand .logo-link{margin-bottom:14px;display:inline-flex}
.footer-brand .logo-text{color:var(--text-white)}
.footer-brand p{font-size:0.9rem;color:rgba(255,255,255,0.6);max-width:360px;line-height:1.7}
.footer-col h4{color:var(--text-white);font-size:1rem;margin-bottom:18px;font-weight:600;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:3px;background:var(--primary);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.6);font-size:0.9rem;transition:var(--transition);display:flex;align-items:center;gap:8px}
.footer-col ul li a:hover{color:var(--primary);transform:translateX(4px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0;font-size:0.85rem;color:rgba(255,255,255,0.5)}
.footer-bottom a{color:rgba(255,255,255,0.6)}
.footer-bottom a:hover{color:var(--primary)}
/* ===== Back to Top ===== */
.back-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 16px rgba(230,57,70,0.4);z-index:999;opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--transition)}
.back-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary-dark);transform:translateY(-3px);color:#fff}
/* ===== Responsive ===== */
@media(max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  :root{--spacing-section:60px}
}
@media(max-width:768px){
  .nav-left,.nav-right{display:none}
  .mobile-toggle{display:block}
  .nav-left.open,.nav-right.open{display:flex;flex-direction:column;position:absolute;top:var(--header-height);left:0;width:100%;background:rgba(255,255,255,0.98);backdrop-filter:blur(12px);padding:16px 24px;box-shadow:var(--shadow-md);border-bottom:1px solid var(--border-color);gap:4px}
  .nav-right.open{top:calc(var(--header-height) + 160px)}
  .hero-content h1{font-size:2rem}
  .hero-content p{font-size:1rem}
  .category-hero{padding:80px 0 60px;min-height:320px}
  .card-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-number{font-size:2rem}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .step-arrow{display:none}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .list-item{flex-wrap:wrap;gap:12px}
  .list-meta{width:100%;justify-content:flex-start}
  :root{--spacing-section:48px}
  .cta-content h2{font-size:1.8rem}
  .category-tabs{gap:8px}
  .category-tab{padding:8px 18px;font-size:0.85rem}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero-content h1{font-size:1.6rem}
  .hero-actions{flex-direction:column;align-items:center}
  .btn{width:100%;justify-content:center}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:24px 12px}
  .stat-number{font-size:1.6rem}
  .section-header h2{font-size:1.5rem}
  .footer-inner{gap:24px}
  .logo-text{font-size:1.1rem}
  .logo-icon{width:34px;height:34px;font-size:1.1rem}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --primary-dark: #0f2440;
  --accent: #e74c3c;
  --accent-light: #f05a4a;
  --accent-dark: #c0392b;
  --gold: #f39c12;
  --gold-light: #f5b342;
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --bg-dark: #0d1b2a;
  --text: #1a1a2e;
  --text-light: #6b7a8f;
  --text-white: #f5f7fa;
  --border: #e2e6ea;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
  --font: 'PingFang SC', 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --container: 1200px;
  --header-h: 72px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.site-header {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  color: var(--text-white);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link i { margin-right: 6px; font-size: 14px; }
.nav-link:hover { background: rgba(255,255,255,0.12); color: #fff; transform: translateY(-1px); }
.nav-link.active { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(231,76,60,0.35); }
.nav-link.active:hover { background: var(--accent-light); }

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(231,76,60,0.3);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}
.logo-text span { color: var(--gold); }

.mobile-toggle {
  display: none;
  background: none;
  color: #fff;
  font-size: 24px;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-toggle:hover { background: rgba(255,255,255,0.1); }

/* ===== Article Banner ===== */
.article-banner {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  overflow: hidden;
  padding: 60px 0 50px;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.20;
  mix-blend-mode: overlay;
}
.article-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(13,27,42,0.3) 0%, rgba(13,27,42,0.7) 100%);
}
.article-banner .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}
.article-banner .post-category {
  display: inline-block;
  background: var(--gold);
  color: var(--primary-dark);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.article-banner h1 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.article-banner .post-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}
.article-banner .post-meta i { margin-right: 6px; color: var(--gold); }

/* ===== Article Content ===== */
.article-main {
  padding: 50px 0 60px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}
.article-body {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px;
}
.article-body .post-content {
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text);
}
.article-body .post-content p {
  margin-bottom: 1.4em;
}
.article-body .post-content h2, 
.article-body .post-content h3 {
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  font-weight: 700;
  color: var(--primary);
}
.article-body .post-content h2 { font-size: 22px; }
.article-body .post-content h3 { font-size: 18px; }
.article-body .post-content ul, 
.article-body .post-content ol {
  margin: 1em 0;
  padding-left: 1.8em;
}
.article-body .post-content li { margin-bottom: 0.4em; }
.article-body .post-content img {
  border-radius: var(--radius);
  margin: 1.5em auto;
  box-shadow: var(--shadow);
}
.article-body .post-content blockquote {
  border-left: 4px solid var(--gold);
  background: #fef9e7;
  padding: 16px 24px;
  margin: 1.4em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--primary-dark);
  font-style: italic;
}
.article-body .post-content a { color: var(--accent); text-decoration: underline; }
.article-body .post-content a:hover { color: var(--accent-dark); }

/* Post Tags */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.post-tags .tag-label {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 500;
  margin-right: 4px;
}
.post-tags .tag-item {
  display: inline-block;
  background: var(--bg);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary-light);
  transition: var(--transition);
}
.post-tags .tag-item:hover { background: var(--primary); color: #fff; }

/* Post Share */
.post-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.post-share span { font-size: 14px; color: var(--text-light); font-weight: 500; }
.post-share a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-light);
  font-size: 16px;
  transition: var(--transition);
}
.post-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px 20px;
}
.sidebar-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--gold); }
.sidebar-list li { margin-bottom: 12px; }
.sidebar-list a {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.sidebar-list a:last-child { border-bottom: none; }
.sidebar-list a:hover { padding-left: 6px; }
.sidebar-list .thumb {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg);
}
.sidebar-list .info { flex: 1; min-width: 0; }
.sidebar-list .info .s-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.sidebar-list .info .s-meta {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}
.sidebar-list .info .s-meta i { margin-right: 4px; }

/* Sidebar CTA */
.sidebar-cta {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
}
.sidebar-cta h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.sidebar-cta p { font-size: 14px; opacity: 0.85; margin-bottom: 20px; line-height: 1.6; }
.sidebar-cta .btn-cta {
  display: inline-block;
  background: var(--gold);
  color: var(--primary-dark);
  padding: 10px 28px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
}
.sidebar-cta .btn-cta:hover { background: #fff; color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

/* ===== Related Posts ===== */
.related-section {
  padding: 50px 0;
  background: var(--bg-card);
}
.related-section .section-title {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 36px;
}
.related-section .section-title i { color: var(--gold); margin-right: 10px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--bg);
}
.related-card .card-body { padding: 16px 18px 20px; }
.related-card .card-cat {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.related-card .card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 6px 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  min-height: 44px;
}
.related-card .card-title a { color: inherit; }
.related-card .card-title a:hover { color: var(--primary-light); }
.related-card .card-meta {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 14px;
}
.related-card .card-meta i { margin-right: 4px; font-size: 12px; }

/* ===== CTA ===== */
.cta-section {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.08;
  mix-blend-mode: overlay;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn-cta {
  display: inline-block;
  background: var(--gold);
  color: var(--primary-dark);
  padding: 14px 40px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 17px;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(243,156,18,0.35);
}
.cta-section .btn-cta:hover { background: #fff; color: var(--primary); transform: translateY(-3px); box-shadow: 0 10px 32px rgba(0,0,0,0.2); }
.cta-section .btn-cta i { margin-right: 8px; }

/* ===== 404 State ===== */
.not-found-wrap {
  text-align: center;
  padding: 80px 20px;
}
.not-found-wrap .icon { font-size: 64px; color: var(--gold); margin-bottom: 20px; }
.not-found-wrap h2 { font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.not-found-wrap p { color: var(--text-light); font-size: 16px; margin-bottom: 24px; }
.not-found-wrap .btn-back {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 32px;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
}
.not-found-wrap .btn-back:hover { background: var(--accent); transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 30px;
  font-size: 14px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-brand .logo-link { margin-bottom: 14px; display: inline-flex; }
.footer-brand .logo-text { font-size: 20px; }
.footer-brand p { line-height: 1.8; margin-top: 10px; color: rgba(255,255,255,0.6); max-width: 360px; }
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-col ul a:hover { color: var(--gold); padding-left: 4px; }
.footer-col ul a i { margin-right: 8px; color: var(--gold); font-size: 13px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .nav-left, .nav-right { display: none; }
  .mobile-toggle { display: block; }
  .nav-left.open, .nav-right.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-dark);
    padding: 16px 20px;
    gap: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    z-index: 99;
  }
  .nav-right.open { top: calc(var(--header-h) + 100px); }
  .nav-link { padding: 12px 16px; font-size: 16px; }
  .article-banner { min-height: 260px; padding: 40px 0 30px; }
  .article-banner h1 { font-size: 24px; }
  .article-body { padding: 24px 16px; }
  .article-body .post-content { font-size: 15px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
  .cta-section h2 { font-size: 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .logo-text { font-size: 18px; }
  .logo-icon { width: 34px; height: 34px; font-size: 18px; }
}

@media (max-width: 520px) {
  .article-banner h1 { font-size: 20px; }
  .article-banner .post-meta { gap: 10px; font-size: 13px; flex-wrap: wrap; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .related-card .card-img { height: 120px; }
  .related-card .card-body { padding: 12px; }
  .related-card .card-title { font-size: 14px; min-height: auto; }
  .cta-section h2 { font-size: 20px; }
  .cta-section .btn-cta { padding: 12px 28px; font-size: 15px; }
  .post-tags .tag-item { font-size: 12px; padding: 3px 10px; }
  .article-body { padding: 16px 12px; }
  .site-footer { padding: 30px 0 20px; }
}

/* ===== 动画 ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.article-banner, .article-body, .related-section, .cta-section { animation: fadeUp 0.6s ease both; }
.article-body { animation-delay: 0.1s; }
.related-section { animation-delay: 0.2s; }
.cta-section { animation-delay: 0.3s; }