/* roulang page: index */
:root {
  --primary: #7c5cff;
  --primary-rgb: 124, 92, 255;
  --accent: #00f5a0;
  --accent-rgb: 0, 245, 160;
  --accent-dim: #00d9c8;
  --bg-deep: #080c14;
  --bg-body: #0d1220;
  --bg-card: #121a2b;
  --bg-card-hover: #1b2540;
  --bg-section: #0f1524;
  --text-main: #e8edf5;
  --text-muted: #8b98ad;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 245, 160, 0.25);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 44px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.6);
  --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== 按钮 ===== */
.btn-primary, .btn-outline, .btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #9a6cff);
  color: #fff;
  box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(var(--primary-rgb), 0.5);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.3);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  background: rgba(var(--accent-rgb), 0.08);
}

.btn-light {
  background: var(--accent);
  color: #06251c;
  box-shadow: 0 8px 30px rgba(var(--accent-rgb), 0.35);
}

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(var(--accent-rgb), 0.5);
  color: #06251c;
}

.btn-lg {
  padding: 17px 44px;
  font-size: 17px;
}

.btn-sm {
  padding: 9px 22px;
  font-size: 14px;
}

/* ===== 徽章 ===== */
.badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(124, 92, 255, 0.18);
  color: #b9a5ff;
  border: 1px solid rgba(124, 92, 255, 0.25);
  letter-spacing: 0.03em;
}

.badge-accent {
  background: rgba(0, 245, 160, 0.14);
  color: var(--accent);
  border-color: rgba(0, 245, 160, 0.3);
}

.badge-dark {
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-main);
  border-color: transparent;
}

/* ===== Header 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(13, 18, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #9a6cff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 6px 20px rgba(124, 92, 255, 0.4);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, #fff, #cfd6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(0, 245, 160, 0.1);
  border-color: rgba(0, 245, 160, 0.2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  z-index: 0;
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 12, 20, 0.92) 0%, rgba(13, 18, 32, 0.78) 50%, rgba(8, 12, 20, 0.92) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  background: rgba(0, 245, 160, 0.12);
  border: 1px solid rgba(0, 245, 160, 0.3);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(44px, 7vw, 78px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(120deg, #ffffff 20%, #c7b8ff 60%, #9ef7da 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(16px, 1.6vw, 20px);
  color: #b0bccd;
  line-height: 1.8;
  margin-bottom: 38px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-mini-stat {
  text-align: center;
}

.hero-mini-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(120deg, var(--accent), #7cffd0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero-mini-stat span {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ===== Section 通用 ===== */
.section {
  padding: 96px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-section);
}

.section-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.15);
  color: #b9a5ff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 1px solid rgba(124, 92, 255, 0.25);
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ===== 特色卡片 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.2), rgba(0, 245, 160, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== 分类卡片 ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: block;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-accent);
}

.category-cover {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.category-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.category-card:hover .category-cover img {
  transform: scale(1.06);
}

.category-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 14, 23, 0.7) 100%);
}

.category-body {
  padding: 24px 26px 28px;
}

.category-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.category-card:hover .category-link {
  gap: 12px;
}

/* ===== 资讯列表 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.news-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.news-date {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 12px;
}

.news-card h3 a:hover {
  color: var(--accent);
}

.news-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.read-more:hover {
  gap: 12px;
  color: #7cffd0;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: 16px;
  border: 1px dashed var(--border-light);
}

/* ===== 数据统计 ===== */
.stats-section {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.12), rgba(0, 245, 160, 0.06));
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stats-item {
  text-align: center;
  padding: 20px 10px;
}

.stats-number {
  display: block;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--accent), #7cffd0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

.stats-label {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===== 流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: process;
}

.process-step {
  position: relative;
  padding: 32px 28px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--border-accent);
}

.process-step::after {
  counter-increment: process;
  content: "0" counter(process);
  position: absolute;
  top: 16px;
  right: 22px;
  font-size: 52px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
  transition: var(--transition);
}

.process-step:hover::after {
  color: rgba(0, 245, 160, 0.15);
}

.process-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(124, 92, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 热门游戏 ===== */
.games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.game-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-accent);
}

.game-cover {
  height: 150px;
  overflow: hidden;
  position: relative;
}

.game-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.game-card:hover .game-cover img {
  transform: scale(1.08);
}

.game-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10, 14, 23, 0.65) 100%);
}

.game-body {
  padding: 20px 22px 24px;
}

.game-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.game-body p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-accent);
}

.faq-question {
  padding: 22px 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
  user-select: none;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: rgba(0, 245, 160, 0.15);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 12, 20, 0.92), rgba(13, 18, 32, 0.82));
  z-index: 1;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.cta-content p {
  color: #b0bccd;
  font-size: 17px;
  margin-bottom: 36px;
  line-height: 1.7;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-light);
  padding: 64px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .features-grid, .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .games-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 24px;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: rgba(13, 18, 32, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 8px;
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border-bottom: 1px solid var(--border-light);
    align-items: stretch;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .nav-link {
    text-align: center;
    padding: 14px 20px;
    font-size: 16px;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .hero {
    padding: 130px 0 70px;
    min-height: auto;
  }

  .hero-mini-stats {
    gap: 24px;
    margin-top: 40px;
  }

  .hero-mini-stat strong {
    font-size: 26px;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .btn-lg {
    padding: 15px 36px;
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 20px;
  }

  .features-grid, .categories-grid, .games-grid, .process-grid, .stats-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    height: 64px;
  }

  .main-nav {
    top: 64px;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .logo-text {
    font-size: 18px;
  }

  .section {
    padding: 56px 0;
  }

  .cta-section {
    padding: 70px 0;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .news-card {
    padding: 22px;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 20px 20px;
    font-size: 14px;
  }
}

/* focus 状态 */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* 选中文字 */
::selection {
  background: rgba(0, 245, 160, 0.3);
  color: #fff;
}

/* roulang page: article */
:root {
        --bg-primary: #070b12;
        --bg-secondary: #0d131f;
        --bg-card: #111a29;
        --bg-elevated: #162236;
        --bg-overlay: rgba(7, 11, 18, 0.82);
        --text-primary: #eaf0f8;
        --text-secondary: #a4b2c9;
        --text-muted: #64748b;
        --accent: #00e5a0;
        --accent-secondary: #00b4ff;
        --accent-glow: rgba(0, 229, 160, 0.16);
        --accent-secondary-glow: rgba(0, 180, 255, 0.12);
        --danger: #ff5470;
        --border: rgba(255, 255, 255, 0.08);
        --border-strong: rgba(255, 255, 255, 0.14);
        --radius-sm: 10px;
        --radius: 16px;
        --radius-lg: 24px;
        --shadow: 0 12px 32px rgba(0, 0, 0, 0.36);
        --shadow-glow: 0 0 36px rgba(0, 229, 160, 0.12);
        --shadow-blue: 0 0 30px rgba(0, 180, 255, 0.1);
        --spacing-section: 76px;
        --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
    }

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

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

    body {
        font-family: var(--font-family);
        background: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.72;
        font-size: 16px;
        overflow-x: hidden;
    }

    body::before {
        content: "";
        position: fixed;
        inset: 0;
        background:
            radial-gradient(700px 420px at 90% -10%, rgba(0, 180, 255, 0.13), transparent 65%),
            radial-gradient(800px 500px at 10% 0%, rgba(0, 229, 160, 0.09), transparent 60%);
        pointer-events: none;
        z-index: 0;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.2s ease, opacity 0.2s ease;
    }

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

    button,
    input {
        font: inherit;
        color: inherit;
        background: none;
        border: none;
    }

    button {
        cursor: pointer;
    }

    ul,
    ol {
        list-style: none;
    }

    .container {
        width: min(1200px, 100% - 48px);
        margin: 0 auto;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(7, 11, 18, 0.82);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 20px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .logo-mark {
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
        border-radius: 11px;
        font-weight: 800;
        font-size: 19px;
        color: #071018;
        box-shadow: 0 0 22px var(--accent-glow), 0 0 10px rgba(0, 180, 255, 0.25);
        flex-shrink: 0;
    }

    .logo-text {
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0.5px;
        background: linear-gradient(90deg, #f4f9ff, #c4d4e8);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        white-space: nowrap;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .nav-link {
        padding: 9px 18px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        color: var(--text-secondary);
        transition: all 0.25s ease;
        white-space: nowrap;
    }

    .nav-link:hover {
        color: var(--text-primary);
        background: rgba(255, 255, 255, 0.07);
    }

    .nav-link.active {
        color: #06131b;
        background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
        box-shadow: 0 0 20px var(--accent-glow);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
        color: #06131b;
        font-weight: 700;
        font-size: 14px;
        padding: 10px 24px;
        border-radius: 999px;
        transition: all 0.28s ease;
        box-shadow: 0 0 18px var(--accent-glow);
        border: none;
        cursor: pointer;
        white-space: nowrap;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(0, 229, 160, 0.32), 0 0 20px rgba(0, 180, 255, 0.2);
        filter: brightness(1.05);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 12px rgba(0, 229, 160, 0.2);
    }

    .btn-primary:focus-visible,
    .nav-link:focus-visible,
    .btn-secondary:focus-visible,
    .tag-btn:focus-visible,
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
        border-radius: 6px;
    }

    .btn-sm {
        padding: 7px 18px;
        font-size: 13px;
    }

    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border: 1px solid var(--border-strong);
        color: var(--text-primary);
        font-weight: 600;
        font-size: 14px;
        padding: 10px 24px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.04);
        transition: all 0.28s ease;
        white-space: nowrap;
    }

    .btn-secondary:hover {
        border-color: var(--accent);
        background: var(--accent-glow);
        color: var(--accent);
        box-shadow: 0 0 20px rgba(0, 229, 160, 0.12);
    }

    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: 12px;
        border: 1px solid var(--border);
        background: rgba(255, 255, 255, 0.06);
        font-size: 22px;
        line-height: 1;
        color: var(--text-primary);
        align-items: center;
        justify-content: center;
        transition: all 0.22s ease;
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: var(--accent);
    }

    .article-banner {
        position: relative;
        padding: 74px 0 40px;
        background-image: url("/assets/images/backpic/back-1.png");
        background-size: cover;
        background-position: center;
        border-bottom: 1px solid var(--border);
        isolation: isolate;
    }

    .article-banner::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(100deg, rgba(7, 11, 18, 0.96) 10%, rgba(7, 11, 18, 0.78) 48%, rgba(7, 11, 18, 0.5) 100%);
        z-index: -1;
    }

    .article-banner::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, transparent 55%, var(--bg-primary) 100%);
        z-index: -1;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 26px;
    }

    .breadcrumb a {
        color: var(--text-secondary);
        transition: color 0.2s;
    }

    .breadcrumb a:hover {
        color: var(--accent);
    }

    .breadcrumb .sep {
        opacity: 0.5;
    }

    .breadcrumb .current {
        color: var(--text-primary);
        max-width: 280px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .article-banner-inner {
        max-width: 860px;
    }

    .article-category-badge {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
        color: #06131b;
        font-weight: 700;
        font-size: 12px;
        padding: 5px 14px;
        border-radius: 999px;
        box-shadow: 0 0 20px var(--accent-glow);
        margin-bottom: 18px;
        letter-spacing: 0.3px;
    }

    .article-banner h1 {
        font-size: clamp(28px, 4vw, 42px);
        line-height: 1.28;
        font-weight: 800;
        letter-spacing: 0.5px;
        margin-bottom: 18px;
        background: linear-gradient(90deg, #ffffff, #d6e8ff);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 18px;
        font-size: 13px;
        color: var(--text-secondary);
    }

    .article-meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .article-meta-item::before {
        content: "";
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 8px var(--accent);
        flex-shrink: 0;
    }

    .article-main {
        padding: 60px 0 76px;
        position: relative;
        z-index: 1;
    }

    .article-layout {
        max-width: 860px;
        margin: 0 auto;
    }

    .article-cover {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        margin-bottom: 38px;
        position: relative;
        background: var(--bg-card);
    }

    .article-cover img {
        width: 100%;
        height: auto;
        min-height: 260px;
        object-fit: cover;
    }

    .article-cover::after {
        content: "开云电子网站";
        position: absolute;
        right: 16px;
        bottom: 14px;
        background: rgba(7, 11, 18, 0.7);
        color: rgba(255, 255, 255, 0.75);
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 999px;
        backdrop-filter: blur(6px);
        border: 1px solid var(--border);
        letter-spacing: 0.4px;
    }

    .article-content {
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-primary);
    }

    .article-content h2 {
        font-size: 26px;
        font-weight: 800;
        margin: 38px 0 16px;
        padding-left: 16px;
        border-left: 4px solid var(--accent);
        line-height: 1.35;
    }

    .article-content h3 {
        font-size: 20px;
        font-weight: 700;
        margin: 28px 0 12px;
        color: #e3ecf7;
    }

    .article-content p {
        margin-bottom: 18px;
        color: #c7d3e6;
    }

    .article-content p:last-child {
        margin-bottom: 0;
    }

    .article-content a {
        color: var(--accent);
        border-bottom: 1px solid rgba(0, 229, 160, 0.35);
    }

    .article-content a:hover {
        color: var(--accent-secondary);
        border-color: var(--accent-secondary);
    }

    .article-content img {
        border-radius: var(--radius);
        margin: 24px 0;
        border: 1px solid var(--border);
        width: 100%;
    }

    .article-content blockquote {
        margin: 26px 0;
        padding: 22px 26px;
        background: var(--bg-card);
        border-left: 4px solid var(--accent);
        border-radius: 0 var(--radius) var(--radius) 0;
        color: var(--text-secondary);
        font-size: 15px;
        box-shadow: var(--shadow-blue);
    }

    .article-content ul,
    .article-content ol {
        margin: 0 0 20px 0;
        padding-left: 4px;
        display: grid;
        gap: 10px;
    }

    .article-content ul li {
        position: relative;
        padding-left: 26px;
        color: #c7d3e6;
    }

    .article-content ul li::before {
        content: "";
        position: absolute;
        left: 4px;
        top: 12px;
        width: 9px;
        height: 9px;
        border-radius: 3px;
        background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
        box-shadow: 0 0 8px var(--accent-glow);
    }

    .article-content ol {
        counter-reset: article-ol;
    }

    .article-content ol li {
        counter-increment: article-ol;
        padding-left: 40px;
        position: relative;
        color: #c7d3e6;
    }

    .article-content ol li::before {
        content: counter(article-ol);
        position: absolute;
        left: 0;
        top: 3px;
        width: 28px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-elevated);
        border: 1px solid var(--border);
        border-radius: 50%;
        font-size: 13px;
        font-weight: 700;
        color: var(--accent);
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 14px;
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
    }

    .article-content th {
        background: var(--bg-elevated);
        color: var(--text-primary);
        font-weight: 700;
        padding: 12px 16px;
        text-align: left;
    }

    .article-content td {
        padding: 12px 16px;
        border-top: 1px solid var(--border);
        color: var(--text-secondary);
    }

    .article-content pre {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 18px 22px;
        overflow-x: auto;
        font-family: var(--font-mono);
        font-size: 14px;
        line-height: 1.7;
        color: #cfe3ff;
        margin: 24px 0;
    }

    .article-content code {
        font-family: var(--font-mono);
        background: var(--bg-elevated);
        padding: 3px 8px;
        border-radius: 6px;
        font-size: 13px;
        color: var(--accent);
    }

    .content-missing {
        text-align: center;
        padding: 70px 30px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow);
    }

    .content-missing h2 {
        font-size: 30px;
        margin-bottom: 12px;
        background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .content-missing p {
        color: var(--text-secondary);
        margin-bottom: 26px;
    }

    .article-tags {
        margin-top: 42px;
        padding-top: 28px;
        border-top: 1px solid var(--border);
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag-label {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-secondary);
        margin-right: 6px;
    }

    .tag-btn {
        display: inline-flex;
        align-items: center;
        padding: 6px 16px;
        font-size: 13px;
        color: var(--text-secondary);
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 999px;
        transition: all 0.22s ease;
    }

    .tag-btn:hover {
        color: var(--accent);
        border-color: var(--accent);
        background: var(--accent-glow);
        box-shadow: 0 0 14px rgba(0, 229, 160, 0.1);
    }

    .section {
        padding: var(--spacing-section) 0;
    }

    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 40px;
        flex-wrap: wrap;
    }

    .section-head h2 {
        font-size: clamp(24px, 3vw, 34px);
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: 0.3px;
    }

    .section-head h2 span {
        background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .section-sub {
        color: var(--text-muted);
        font-size: 14px;
        max-width: 460px;
        line-height: 1.7;
        text-align: right;
    }

    .section-divider {
        height: 1px;
        background: linear-gradient(to right, transparent, var(--border-strong), transparent);
        border: none;
    }

    .related-section {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border);
        position: relative;
        z-index: 1;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .related-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all 0.32s ease;
        display: flex;
        flex-direction: column;
        position: relative;
    }

    .related-card:hover {
        transform: translateY(-6px);
        border-color: rgba(0, 229, 160, 0.35);
        box-shadow: var(--shadow-glow), var(--shadow);
    }

    .related-card-cover {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 9;
        background: var(--bg-elevated);
    }

    .related-card-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.45s ease;
    }

    .related-card:hover .related-card-cover img {
        transform: scale(1.04);
    }

    .related-card-cover::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(7, 11, 18, 0.55), transparent 55%);
    }

    .related-card-body {
        padding: 24px 24px 26px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .related-card-badge {
        align-self: flex-start;
        font-size: 11px;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 999px;
        background: var(--accent-glow);
        color: var(--accent);
        border: 1px solid rgba(0, 229, 160, 0.25);
        margin-bottom: 12px;
        letter-spacing: 0.4px;
    }

    .related-card h3 {
        font-size: 17px;
        font-weight: 700;
        line-height: 1.5;
        color: var(--text-primary);
        margin-bottom: 10px;
        transition: color 0.25s ease;
    }

    .related-card:hover h3 {
        color: var(--accent);
    }

    .related-card p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.7;
        flex: 1;
        margin-bottom: 16px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-muted);
    }

    .related-link {
        color: var(--accent);
        font-weight: 600;
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .related-link::after {
        content: "→";
        transition: transform 0.22s ease;
    }

    .related-link:hover::after {
        transform: translateX(4px);
    }

    .cta-section {
        position: relative;
        padding: 90px 0;
        background-image: url("/assets/images/backpic/back-2.png");
        background-size: cover;
        background-position: center;
        border-top: 1px solid var(--border);
        isolation: isolate;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(7, 11, 18, 0.94) 10%, rgba(7, 11, 18, 0.78) 60%, rgba(7, 11, 18, 0.6) 100%);
        z-index: -1;
    }

    .cta-inner {
        max-width: 760px;
        text-align: center;
        margin: 0 auto;
    }

    .cta-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent-glow);
        border: 1px solid rgba(0, 229, 160, 0.3);
        color: var(--accent);
        font-size: 13px;
        font-weight: 700;
        padding: 7px 18px;
        border-radius: 999px;
        margin-bottom: 22px;
        letter-spacing: 0.5px;
    }

    .cta-badge::before {
        content: "";
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 10px var(--accent);
        animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
        0%, 100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: 0.5;
            transform: scale(0.85);
        }
    }

    .cta-inner h2 {
        font-size: clamp(26px, 3.6vw, 38px);
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 16px;
        background: linear-gradient(90deg, #ffffff, #d0e0f5);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .cta-inner p {
        color: var(--text-secondary);
        font-size: 15px;
        margin-bottom: 32px;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.8;
    }

    .cta-buttons {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .site-footer {
        background: var(--bg-primary);
        border-top: 1px solid var(--border);
        padding: 64px 0 30px;
        position: relative;
        z-index: 1;
    }

    .footer-main {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 48px;
        margin-bottom: 44px;
    }

    .footer-brand .logo {
        margin-bottom: 18px;
    }

    .footer-brand p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.8;
        max-width: 360px;
    }

    .footer-col h4 {
        color: var(--text-primary);
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 18px;
        letter-spacing: 0.4px;
    }

    .footer-col ul {
        display: grid;
        gap: 12px;
    }

    .footer-col a {
        color: var(--text-secondary);
        font-size: 14px;
        transition: all 0.22s ease;
    }

    .footer-col a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-bottom {
        padding-top: 26px;
        border-top: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--text-muted);
    }

    .footer-bottom-links {
        display: flex;
        gap: 22px;
    }

    .footer-bottom-links a {
        color: var(--text-muted);
        transition: color 0.2s;
    }

    .footer-bottom-links a:hover {
        color: var(--accent);
    }

    @media (max-width: 1024px) {
        .container {
            width: min(100% - 36px, 1200px);
        }

        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .related-card:last-child {
            display: none;
        }

        .section-sub {
            text-align: left;
        }
    }

    @media (max-width: 768px) {
        :root {
            --spacing-section: 54px;
        }

        .header-inner {
            height: 64px;
        }

        .main-nav {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-overlay);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            align-items: stretch;
            padding: 16px 18px 22px;
            gap: 8px;
            border-bottom: 1px solid var(--border);
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: all 0.28s ease;
            z-index: 99;
            border-radius: 0 0 20px 20px;
        }

        .main-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .nav-link {
            padding: 13px 18px;
            font-size: 15px;
            border-radius: 12px;
        }

        .nav-link.active {
            background: var(--accent-glow);
            color: var(--accent);
            box-shadow: none;
            border: 1px solid rgba(0, 229, 160, 0.25);
        }

        .nav-toggle {
            display: flex;
        }

        .header-actions .btn-primary {
            display: none;
        }

        .article-banner {
            padding: 52px 0 30px;
        }

        .breadcrumb .current {
            max-width: 160px;
        }

        .article-meta {
            gap: 12px;
            font-size: 12px;
        }

        .article-main {
            padding: 40px 0 54px;
        }

        .article-cover {
            margin-bottom: 28px;
        }

        .article-cover::after {
            display: none;
        }

        .article-content h2 {
            font-size: 22px;
            margin-top: 30px;
        }

        .article-content h3 {
            font-size: 18px;
        }

        .article-content {
            font-size: 15px;
        }

        .article-tags {
            gap: 8px;
        }

        .footer-main {
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .footer-brand {
            grid-column: 1 / -1;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }

        .footer-bottom-links {
            justify-content: center;
        }

        .cta-section {
            padding: 64px 0;
        }
    }

    @media (max-width: 520px) {
        .container {
            width: min(100% - 28px, 1200px);
        }

        .logo-text {
            font-size: 16px;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            font-size: 17px;
        }

        .related-grid {
            grid-template-columns: 1fr;
        }

        .related-card:last-child {
            display: flex;
        }

        .article-banner h1 {
            font-size: 24px;
        }

        .article-meta-item:nth-child(3) {
            display: none;
        }

        .cta-buttons .btn-primary,
        .cta-buttons .btn-secondary {
            width: 100%;
        }

        .footer-main {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .footer-brand {
            grid-column: auto;
        }
    }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #00e5ff;
            --primary-dark: #00b8d9;
            --primary-glow: rgba(0, 229, 255, 0.35);
            --accent: #a855f7;
            --accent-2: #ff2d78;
            --bg: #0b0f1a;
            --bg-alt: #101827;
            --card: #151d30;
            --card-hover: #1a2438;
            --border: rgba(255, 255, 255, 0.08);
            --text: #e6edf6;
            --text-weak: #93a1b8;
            --text-faint: #64748b;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 30px rgba(0, 229, 255, 0.1);
            --transition: all 0.3s ease;
            --container: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 1600px;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(0, 229, 255, 0.06), transparent 50%),
                radial-gradient(ellipse at 80% 100%, rgba(168, 85, 247, 0.05), transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ::selection {
            background: rgba(0, 229, 255, 0.25);
            color: #fff;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== 按钮 ===== */
        .btn-primary,
        .btn-outline,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #00c2ff);
            color: #04121a;
            box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 229, 255, 0.4);
            color: #04121a;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(0, 229, 255, 0.3);
        }

        .btn-outline {
            border: 1px solid rgba(0, 229, 255, 0.4);
            color: var(--primary);
            background: rgba(0, 229, 255, 0.04);
        }

        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.1);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-ghost {
            color: var(--text-weak);
        }

        .btn-ghost:hover {
            color: var(--text);
            background: var(--card);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-block {
            display: flex;
            width: 100%;
            justify-content: center;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #f0fdff;
            box-shadow: 0 0 20px var(--primary-glow);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.04em;
        }

        .logo-text:hover {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 0;
            overflow: hidden;
        }

        .banner-inner {
            position: relative;
            border-radius: 24px;
            padding: 80px 56px;
            background:
                linear-gradient(90deg, rgba(11, 15, 26, 0.95) 30%, rgba(11, 15, 26, 0.6) 70%, rgba(11, 15, 26, 0.2)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border: 1px solid var(--border);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }

        .banner-inner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.15), transparent 70%);
            pointer-events: none;
        }

        .banner-content {
            max-width: 620px;
            position: relative;
            z-index: 2;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(0, 229, 255, 0.12);
            border: 1px solid rgba(0, 229, 255, 0.3);
            border-radius: 50px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .banner-tag .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.5s ease infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--primary-glow); }
            50% { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
        }

        .banner-title {
            font-size: 44px;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(90deg, var(--text), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-title .highlight {
            color: var(--primary);
            -webkit-text-fill-color: var(--primary);
        }

        .banner-desc {
            font-size: 16px;
            color: var(--text-weak);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-faint);
            margin-bottom: 24px;
            padding: 14px 0 0;
        }

        .breadcrumb a {
            color: var(--text-faint);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--text-faint);
        }

        .breadcrumb .current {
            color: var(--text);
        }

        /* ===== 数据条 ===== */
        .stats-strip {
            padding: 40px 0;
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-card:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 229, 255, 0.2);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-desc {
            color: var(--text-weak);
            font-size: 15px;
            margin-top: 8px;
        }

        .section-link {
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            background: rgba(0, 229, 255, 0.06);
            border: 1px solid rgba(0, 229, 255, 0.2);
            transition: var(--transition);
        }

        .section-link:hover {
            background: rgba(0, 229, 255, 0.12);
            border-color: var(--primary);
            transform: translateX(2px);
        }

        /* ===== 筛选标签 ===== */
        .filter-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-tab {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            background: var(--card);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-tab:hover {
            color: var(--text);
            border-color: rgba(0, 229, 255, 0.3);
        }

        .filter-tab.active {
            color: #04121a;
            background: linear-gradient(135deg, var(--primary), #00c2ff);
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(0, 229, 255, 0.2);
        }

        /* ===== 资讯卡片 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow), var(--shadow-glow);
        }

        .news-card-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .news-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-card-media img {
            transform: scale(1.05);
        }

        .news-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 26, 0.4), transparent 60%);
        }

        .news-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 12px;
            background: rgba(0, 229, 255, 0.9);
            color: #04121a;
            font-size: 12px;
            font-weight: 700;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }

        .news-badge.hot {
            background: rgba(255, 45, 120, 0.9);
            color: #fff;
        }

        .news-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-faint);
        }

        .news-card-meta .category {
            color: var(--primary);
            font-weight: 600;
            padding: 3px 10px;
            background: rgba(0, 229, 255, 0.08);
            border-radius: 6px;
        }

        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .news-card:hover .news-card-title {
            color: var(--primary);
        }

        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-footer {
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-faint);
        }

        .news-card-footer .views {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 头条资讯 ===== */
        .featured-news {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
            margin-bottom: 24px;
        }

        .featured-main {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .featured-main:hover {
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow);
        }

        .featured-main .news-card-media {
            flex: 1;
            min-height: 280px;
        }

        .featured-main .news-card-body {
            padding: 28px;
        }

        .featured-main .news-card-title {
            font-size: 24px;
            -webkit-line-clamp: 2;
        }

        .featured-main .news-card-excerpt {
            -webkit-line-clamp: 2;
            font-size: 15px;
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .side-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            transition: var(--transition);
            flex: 1;
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .side-item:hover {
            border-color: rgba(0, 229, 255, 0.25);
            transform: translateX(4px);
        }

        .side-item img {
            width: 100px;
            height: 80px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }

        .side-item-body {
            flex: 1;
            min-width: 0;
        }

        .side-item-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .side-item-meta {
            font-size: 12px;
            color: var(--text-faint);
            margin-top: 6px;
        }

        /* ===== 热门排行 ===== */
        .ranking-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            padding-left: 12px;
        }

        .ranking-num {
            font-size: 26px;
            font-weight: 800;
            font-style: italic;
            color: transparent;
            -webkit-text-stroke: 1px var(--primary);
            min-width: 48px;
            opacity: 0.8;
            transition: var(--transition);
        }

        .ranking-item:hover .ranking-num {
            color: var(--primary);
            -webkit-text-stroke: transparent;
        }

        .ranking-item:nth-child(1) .ranking-num,
        .ranking-item:nth-child(2) .ranking-num,
        .ranking-item:nth-child(3) .ranking-num {
            -webkit-text-stroke: 1px var(--accent-2);
        }

        .ranking-item:hover .ranking-num {
            -webkit-text-stroke: transparent;
            color: var(--accent-2);
        }

        .ranking-content {
            flex: 1;
        }

        .ranking-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .ranking-heat {
            font-size: 13px;
            color: var(--text-faint);
        }

        .ranking-icon {
            font-size: 22px;
            color: var(--text-faint);
            transition: var(--transition);
        }

        .ranking-item:hover .ranking-icon {
            color: var(--primary);
        }

        .ranking-panel {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            min-height: 360px;
            border: 1px solid var(--border);
        }

        .ranking-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .ranking-panel-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 26, 0.92), rgba(11, 15, 26, 0.3));
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 32px;
        }

        .ranking-panel-tag {
            display: inline-flex;
            align-self: flex-start;
            padding: 4px 14px;
            background: rgba(0, 229, 255, 0.15);
            border: 1px solid rgba(0, 229, 255, 0.3);
            color: var(--primary);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .ranking-panel-title {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .ranking-panel-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== 赛事时间线 ===== */
        .timeline-section {
            padding: 72px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            background: var(--bg-alt);
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .timeline-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            position: relative;
            transition: var(--transition);
            overflow: hidden;
        }

        .timeline-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            opacity: 0.6;
        }

        .timeline-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }

        .timeline-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-meta {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 14px;
        }

        .timeline-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
        }

        .timeline-status.live {
            background: rgba(255, 45, 120, 0.15);
            color: var(--accent-2);
        }

        .timeline-status.upcoming {
            background: rgba(0, 229, 255, 0.1);
            color: var(--primary);
        }

        .timeline-status.preview {
            background: rgba(168, 85, 247, 0.15);
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: flex-start;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 255, 0.25);
        }

        .faq-question {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: transparent;
        }

        .faq-question::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        details[open] .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-weak);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
        }

        .cta-box {
            border-radius: 24px;
            padding: 64px;
            background:
                linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(168, 85, 247, 0.1)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border: 1px solid rgba(0, 229, 255, 0.2);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.3), transparent 70%);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(168, 85, 247, 0.25), transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 16px;
            color: var(--text-weak);
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 20px;
            background: rgba(11, 15, 26, 0.7);
            border: 1px solid var(--border);
            border-radius: 50px;
            color: var(--text);
            font-size: 14px;
            transition: var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
        }

        .cta-form input::placeholder {
            color: var(--text-faint);
        }

        /* ===== Footer ===== */
        .site-footer {
            border-top: 1px solid var(--border);
            background: var(--bg-alt);
            padding-top: 64px;
            margin-top: 40px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-weak);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-faint);
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-faint);
        }

        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        /* ===== focus 可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-news {
                grid-template-columns: 1fr;
            }

            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-main {
                grid-template-columns: 1.5fr 1fr;
            }

            .banner-inner {
                padding: 56px 36px;
            }

            .banner-title {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                transform: translateY(-120%);
                transition: var(--transition);
                opacity: 0;
                pointer-events: none;
                z-index: 999;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .main-nav .nav-link {
                width: 100%;
                text-align: left;
                padding: 14px 16px;
                font-size: 16px;
            }

            .main-nav .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 28px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-inner {
                gap: 8px;
            }

            .header-actions .btn-primary {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .banner-inner {
                padding: 40px 24px;
                min-height: 300px;
            }

            .banner-title {
                font-size: 30px;
            }

            .ranking-wrap {
                grid-template-columns: 1fr;
            }

            .faq-wrap {
                grid-template-columns: 1fr;
            }

            .cta-box {
                padding: 40px 24px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .section-title {
                font-size: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .timeline-grid {
                grid-template-columns: 1fr;
            }

            .banner-actions .btn-primary,
            .banner-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .section {
                padding: 48px 0;
            }

            .cta-title {
                font-size: 24px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .btn-primary {
                width: 100%;
                justify-content: center;
            }

            .featured-main .news-card-title {
                font-size: 20px;
            }

            .side-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .side-item img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }

            .footer-bottom-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #6C5CE7;
  --primary-light: #8B7DF8;
  --accent: #00D2FF;
  --accent-2: #FF6B35;
  --bg-dark: #0E1016;
  --bg-panel: #161924;
  --bg-panel-2: #1D2130;
  --text-main: #E8EAF0;
  --text-weak: #9AA0B4;
  --border: rgba(255, 255, 255, 0.08);
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
  --space-section: 96px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 16, 22, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  transition: all 0.25s ease;
  position: relative;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: #fff;
  background: rgba(108, 92, 231, 0.18);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  padding: 12px 28px;
  font-size: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px rgba(108, 92, 231, 0.3);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(0, 210, 255, 0.5);
  outline-offset: 2px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  padding: 12px 28px;
  font-size: 15px;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 210, 255, 0.06);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 22px;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* ===== Hero ===== */
.category-hero {
  position: relative;
  padding: 96px 0 64px;
  background: linear-gradient(135deg, rgba(14, 16, 22, 0.92), rgba(108, 92, 231, 0.35)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.category-hero .hero-inner {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108, 92, 231, 0.22);
  border: 1px solid rgba(108, 92, 231, 0.4);
  color: var(--primary-light);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge i { font-size: 14px; }

.category-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.category-hero h1 span {
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.category-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Section Global ===== */
.section {
  padding: var(--space-section) 0;
}

.section-alt {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.7;
}

/* ===== Category Cards ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108, 92, 231, 0.4);
  box-shadow: var(--shadow-md);
  background: var(--bg-panel-2);
}

.category-card:hover::before { opacity: 1; }

.category-icon {
  width: 56px;
  height: 56px;
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid rgba(108, 92, 231, 0.25);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary-light);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  transform: scale(1.05);
}

.category-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.category-card p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.category-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-weak);
}

.category-meta .badge-count {
  background: rgba(0, 210, 255, 0.12);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 12px;
}

/* ===== Guide Cards / Grid ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.guide-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 210, 255, 0.3);
}

.guide-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.guide-card:hover .guide-thumb img {
  transform: scale(1.06);
}

.guide-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 16, 22, 0.85);
  backdrop-filter: blur(8px);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.guide-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.guide-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.guide-card:hover .guide-body h3 {
  color: var(--accent);
}

.guide-body p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.guide-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-weak);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.guide-meta i {
  margin-right: 4px;
  font-size: 12px;
  opacity: 0.7;
}

/* ===== Feature ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  display: flex;
  gap: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.35s ease;
  align-items: flex-start;
}

.feature-card:hover {
  border-color: rgba(108, 92, 231, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  background: rgba(255, 107, 53, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(255, 107, 53, 0.25);
}

.feature-card:nth-child(2) .feature-icon {
  background: rgba(0, 210, 255, 0.12);
  color: var(--accent);
  border-color: rgba(0, 210, 255, 0.25);
}

.feature-card:nth-child(3) .feature-icon {
  background: rgba(108, 92, 231, 0.12);
  color: var(--primary-light);
  border-color: rgba(108, 92, 231, 0.25);
}

.feature-card:nth-child(4) .feature-icon {
  background: rgba(52, 211, 153, 0.12);
  color: #34D399;
  border-color: rgba(52, 211, 153, 0.25);
}

.feature-text h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-text p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== Stats ===== */
.stats-section {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(0, 210, 255, 0.08)), var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.2), transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item h3 {
  font-size: 44px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
  line-height: 1;
}

.stat-item p {
  color: var(--text-weak);
  font-size: 15px;
  font-weight: 500;
}

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}

.process-item {
  text-align: center;
  position: relative;
  padding: 32px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.process-item:hover {
  background: var(--bg-panel-2);
  border-color: rgba(0, 210, 255, 0.3);
  transform: translateY(-4px);
}

.process-item::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.process-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.process-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-item p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  padding: 0;
  transition: all 0.3s ease;
  overflow: hidden;
}

.faq-item:hover {
  border-color: rgba(108, 92, 231, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.faq-question i {
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary), #4A3AF0), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  background-blend-mode: multiply;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-section .btn-primary {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.cta-section .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
}

/* ===== Footer ===== */
.site-footer {
  background: #0C0E13;
  border-top: 1px solid var(--border);
  padding: 64px 0 24px;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--text-weak);
  font-size: 14px;
  transition: all 0.25s ease;
}

.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-weak);
  font-size: 13px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-weak);
  font-size: 13px;
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .container {
    padding: 0 20px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(14, 16, 22, 0.96);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 16px 20px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 99;
    align-items: stretch;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .nav-link {
    padding: 12px 16px;
    width: 100%;
  }
  .nav-link.active::after {
    left: 16px;
    transform: none;
    bottom: auto;
    top: 50%;
    margin-top: -10px;
    width: 3px;
    height: 20px;
  }
  .header-actions .btn-primary {
    display: none;
  }
  .category-hero h1 {
    font-size: 34px;
  }
  .category-hero p {
    font-size: 16px;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .footer-bottom-links {
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .category-hero {
    padding: 72px 0 48px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .feature-card {
    flex-direction: column;
    padding: 24px;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .cta-section .btn-primary,
  .cta-section .btn-outline {
    width: 100%;
    margin-bottom: 12px;
  }
}

/* Accessibility focus */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(0, 210, 255, 0.5);
  outline-offset: 2px;
}

/* roulang page: category2 */
:root {
      --primary: #ff2d87;
      --primary-dark: #d1146a;
      --primary-light: #ff6fae;
      --secondary: #7c3aed;
      --secondary-light: #a78bfa;
      --accent: #00e5ff;
      --bg-dark: #0a0a12;
      --bg-card: #141424;
      --bg-card-light: #1c1c30;
      --bg-header: rgba(10, 10, 18, 0.92);
      --text-main: #f1f0f5;
      --text-sub: #a6a3b8;
      --text-weak: #6f6b7d;
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(255, 255, 255, 0.15);
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 999px;
      --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 40px rgba(255, 45, 135, 0.25);
      --space-section: 72px;
      --transition-base: 0.25s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    img, svg, video {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-base);
    }

    ul, ol {
      list-style: none;
    }

    button, input, select, textarea {
      font: inherit;
      color: inherit;
      background: none;
      border: none;
      outline: none;
    }

    button {
      cursor: pointer;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* ===== Buttons ===== */
    .btn-primary, .btn-outline, .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-full);
      font-weight: 600;
      font-size: 15px;
      letter-spacing: 0.02em;
      transition: all var(--transition-base);
      border: 1px solid transparent;
      line-height: 1.4;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #ff5e3a 100%);
      color: #fff;
      box-shadow: 0 4px 20px rgba(255, 45, 135, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(255, 45, 135, 0.45);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 12px rgba(255, 45, 135, 0.3);
    }

    .btn-primary:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    .btn-outline {
      background: transparent;
      border-color: var(--line-strong);
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary-light);
      box-shadow: 0 4px 20px rgba(255, 45, 135, 0.1);
    }

    .btn-outline:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
    }

    .btn-sm {
      padding: 8px 20px;
      font-size: 14px;
    }

    .btn-lg {
      padding: 15px 40px;
      font-size: 16px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--bg-header);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      gap: 24px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      box-shadow: 0 4px 14px rgba(255, 45, 135, 0.35);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.03em;
      white-space: nowrap;
      background: linear-gradient(90deg, #fff, var(--primary-light));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      position: relative;
      padding: 8px 16px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-sub);
      border-radius: var(--radius-full);
      transition: all var(--transition-base);
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.05);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255, 45, 135, 0.2), rgba(124, 58, 237, 0.2));
      box-shadow: inset 0 0 0 1px var(--line-strong);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 3px;
      border-radius: var(--radius-full);
      background: var(--primary);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      border: 1px solid var(--line-strong);
      font-size: 22px;
      color: var(--text-main);
      align-items: center;
      justify-content: center;
      transition: all var(--transition-base);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.05);
      border-color: var(--primary);
    }

    /* ===== Hero / Banner ===== */
    .page-banner {
      position: relative;
      padding: 86px 0;
      background: linear-gradient(135deg, rgba(10, 10, 18, 0.85), rgba(50, 20, 60, 0.7)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      border-bottom: 1px solid var(--line);
    }

    .page-banner::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 120px;
      background: linear-gradient(to top, var(--bg-dark), transparent);
      pointer-events: none;
    }

    .banner-inner {
      position: relative;
      z-index: 2;
      max-width: 860px;
    }

    .banner-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      background: rgba(255, 45, 135, 0.15);
      border: 1px solid rgba(255, 45, 135, 0.35);
      color: var(--primary-light);
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 20px;
    }

    .page-banner h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
      background: linear-gradient(90deg, #fff 0%, var(--primary-light) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .banner-desc {
      font-size: 17px;
      color: var(--text-sub);
      line-height: 1.8;
      max-width: 700px;
    }

    .banner-stats {
      display: flex;
      gap: 40px;
      margin-top: 36px;
      flex-wrap: wrap;
    }

    .banner-stat {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .banner-stat strong {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      background: linear-gradient(90deg, #fff, var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .banner-stat span {
      font-size: 14px;
      color: var(--text-weak);
    }

    /* ===== Section Common ===== */
    .section {
      padding: var(--space-section) 0;
    }

    .section-alt {
      background: linear-gradient(180deg, var(--bg-dark) 0%, #0e0e1c 100%);
    }

    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .section-header h2 {
      font-size: 30px;
      font-weight: 800;
      line-height: 1.3;
      letter-spacing: 0.01em;
      position: relative;
    }

    .section-header h2::before {
      content: "";
      display: block;
      width: 32px;
      height: 4px;
      border-radius: var(--radius-full);
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      margin-bottom: 14px;
    }

    .section-sub {
      color: var(--text-sub);
      font-size: 16px;
      max-width: 560px;
      margin-top: 6px;
    }

    .section-link {
      color: var(--text-sub);
      font-size: 14px;
      padding: 8px 16px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-full);
      transition: all var(--transition-base);
      white-space: nowrap;
    }

    .section-link:hover {
      color: var(--primary-light);
      border-color: var(--primary);
    }

    /* ===== Match Schedule ===== */
    .schedule-board {
      background: linear-gradient(135deg, var(--bg-card) 0%, #171726 100%);
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .schedule-tabs {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 16px 20px;
      border-bottom: 1px solid var(--line);
      overflow-x: auto;
      scrollbar-width: thin;
      scrollbar-color: var(--primary) transparent;
    }

    .schedule-tab {
      padding: 8px 18px;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      white-space: nowrap;
      transition: all var(--transition-base);
      border: 1px solid transparent;
    }

    .schedule-tab:hover {
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.05);
    }

    .schedule-tab.active {
      background: linear-gradient(135deg, rgba(255, 45, 135, 0.18), rgba(124, 58, 237, 0.18));
      color: #fff;
      border-color: rgba(255, 45, 135, 0.3);
    }

    .schedule-list {
      padding: 8px 0;
    }

    .match-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 18px 24px;
      border-bottom: 1px solid var(--line);
      transition: background var(--transition-base);
    }

    .match-row:last-child {
      border-bottom: none;
    }

    .match-row:hover {
      background: rgba(255, 255, 255, 0.02);
    }

    .match-time {
      width: 90px;
      flex-shrink: 0;
      text-align: center;
    }

    .match-time .date {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .match-time .week {
      font-size: 12px;
      color: var(--text-weak);
    }

    .match-event {
      width: 130px;
      flex-shrink: 0;
    }

    .match-event .event-badge {
      display: inline-block;
      padding: 3px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 600;
      background: rgba(124, 58, 237, 0.2);
      color: var(--secondary-light);
      border: 1px solid rgba(124, 58, 237, 0.3);
    }

    .event-badge.lol {
      background: rgba(0, 229, 255, 0.12);
      color: var(--accent);
      border-color: rgba(0, 229, 255, 0.25);
    }

    .event-badge.dota2 {
      background: rgba(255, 45, 135, 0.12);
      color: var(--primary-light);
      border-color: rgba(255, 45, 135, 0.25);
    }

    .event-badge.cs2 {
      background: rgba(255, 165, 0, 0.12);
      color: #ffaa33;
      border-color: rgba(255, 165, 0, 0.25);
    }

    .match-teams {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      min-width: 140px;
    }

    .team-name {
      font-weight: 600;
      font-size: 16px;
      color: var(--text-main);
      white-space: nowrap;
    }

    .team-vs {
      font-size: 13px;
      color: var(--text-weak);
      font-weight: 700;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.04);
      border-radius: var(--radius-full);
    }

    .match-status {
      width: 80px;
      text-align: center;
      flex-shrink: 0;
    }

    .status-live, .status-end, .status-upcoming {
      display: inline-block;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
    }

    .status-live {
      background: rgba(255, 45, 135, 0.15);
      color: var(--primary-light);
      border: 1px solid rgba(255, 45, 135, 0.35);
      animation: pulse 2s ease infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.7; }
    }

    .status-end {
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-weak);
      border: 1px solid var(--line);
    }

    .status-upcoming {
      background: rgba(0, 229, 255, 0.1);
      color: var(--accent);
      border: 1px solid rgba(0, 229, 255, 0.3);
    }

    /* ===== Hot Event Cards ===== */
    .event-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .event-card {
      position: relative;
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      overflow: hidden;
      transition: all var(--transition-base);
    }

    .event-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 45, 135, 0.4);
      box-shadow: var(--shadow-card), var(--shadow-glow);
    }

    .event-card-media {
      position: relative;
      height: 180px;
      overflow: hidden;
    }

    .event-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .event-card:hover .event-card-media img {
      transform: scale(1.05);
    }

    .event-card-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 600;
      background: rgba(10, 10, 18, 0.75);
      backdrop-filter: blur(8px);
      color: var(--accent);
      border: 1px solid rgba(0, 229, 255, 0.25);
      z-index: 2;
    }

    .event-card-live {
      position: absolute;
      top: 14px;
      right: 14px;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 700;
      background: var(--primary);
      color: #fff;
      z-index: 2;
      box-shadow: 0 0 16px rgba(255, 45, 135, 0.5);
    }

    .event-card-body {
      padding: 20px;
    }

    .event-card-body h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .event-card-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--text-weak);
      margin-bottom: 14px;
    }

    .event-card-meta span {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .event-card-body p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .event-card-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-light);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap var(--transition-base);
    }

    .event-card-link:hover {
      gap: 10px;
      color: var(--primary);
    }

    /* ===== Standings / Ranking ===== */
    .standings-wrap {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .standings-panel {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .standings-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 24px;
      border-bottom: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
    }

    .standings-header h3 {
      font-size: 17px;
      font-weight: 700;
    }

    .standings-header span {
      font-size: 13px;
      color: var(--text-weak);
    }

    .standings-list {
      padding: 8px 0;
    }

    .standings-row {
      display: grid;
      grid-template-columns: 40px 1fr 60px 80px;
      align-items: center;
      padding: 12px 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      transition: background var(--transition-base);
      font-size: 14px;
    }

    .standings-row:last-child {
      border-bottom: none;
    }

    .standings-row:hover {
      background: rgba(255, 255, 255, 0.02);
    }

    .standings-rank {
      font-weight: 800;
      color: var(--text-weak);
      font-size: 15px;
    }

    .standings-row:first-child .standings-rank {
      color: var(--primary-light);
    }

    .standings-team {
      font-weight: 600;
      color: var(--text-main);
    }

    .standings-points {
      text-align: center;
      color: var(--text-sub);
    }

    .standings-winrate {
      text-align: right;
      color: var(--text-weak);
      font-size: 13px;
    }

    .standings-bar {
      height: 4px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-full);
      margin-top: 6px;
      overflow: hidden;
    }

    .standings-bar-fill {
      height: 100%;
      border-radius: var(--radius-full);
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }

    /* ===== Match Reports / News ===== */
    .report-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .report-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      overflow: hidden;
      transition: all var(--transition-base);
      display: flex;
      flex-direction: column;
    }

    .report-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card);
      border-color: rgba(124, 58, 237, 0.35);
    }

    .report-thumb {
      position: relative;
      height: 150px;
      overflow: hidden;
    }

    .report-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .report-card:hover .report-thumb img {
      transform: scale(1.05);
    }

    .report-thumb .game-label {
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 3px 12px;
      border-radius: var(--radius-full);
      background: rgba(10, 10, 18, 0.75);
      backdrop-filter: blur(6px);
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
    }

    .report-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .report-body h3 {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text-main);
    }

    .report-body p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      flex: 1;
    }

    .report-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-weak);
      border-top: 1px solid var(--line);
      padding-top: 14px;
    }

    /* ===== Data Stats ===== */
    .data-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .data-card {
      background: linear-gradient(135deg, rgba(255, 45, 135, 0.08), rgba(124, 58, 237, 0.08));
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      transition: all var(--transition-base);
    }

    .data-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow-glow);
    }

    .data-card strong {
      display: block;
      font-size: 36px;
      font-weight: 800;
      background: linear-gradient(135deg, #fff, var(--primary-light));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 6px;
    }

    .data-card span {
      font-size: 14px;
      color: var(--text-sub);
    }

    /* ===== FAQ ===== */
    .faq-section {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: all var(--transition-base);
    }

    .faq-item[open] {
      border-color: rgba(255, 45, 135, 0.4);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      cursor: pointer;
      font-weight: 600;
      font-size: 16px;
      color: var(--text-main);
      list-style: none;
      transition: color var(--transition-base);
      user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      font-size: 24px;
      font-weight: 400;
      color: var(--text-weak);
      transition: transform var(--transition-base);
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
      color: var(--primary-light);
    }

    .faq-item summary:hover {
      color: var(--primary-light);
    }

    .faq-answer {
      padding: 0 24px 22px;
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, rgba(255, 45, 135, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line-strong);
      text-align: center;
    }

    .cta-section h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 12px;
      letter-spacing: 0.02em;
    }

    .cta-section p {
      font-size: 16px;
      color: var(--text-sub);
      max-width: 540px;
      margin: 0 auto 32px;
      line-height: 1.8;
    }

    .cta-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0c0c16;
      border-top: 1px solid var(--line);
      padding-top: 60px;
      margin-top: 40px;
    }

    .footer-main {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
    }

    .footer-brand .logo {
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.8;
      max-width: 360px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .footer-col ul li {
      margin-bottom: 12px;
    }

    .footer-col ul li a {
      font-size: 14px;
      color: var(--text-sub);
      transition: color var(--transition-base);
    }

    .footer-col ul li a:hover {
      color: var(--primary-light);
    }

    .footer-bottom {
      border-top: 1px solid var(--line);
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
      color: var(--text-weak);
    }

    .footer-bottom-links {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .footer-bottom-links a {
      color: var(--text-weak);
      transition: color var(--transition-base);
    }

    .footer-bottom-links a:hover {
      color: var(--primary-light);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .main-nav {
        gap: 4px;
      }

      .nav-link {
        padding: 8px 12px;
        font-size: 14px;
      }

      .event-grid, .report-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .data-stats {
        grid-template-columns: repeat(2, 1fr);
      }

      .standings-wrap {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }

      .header-inner {
        height: 60px;
      }

      .main-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-header);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--line);
        padding: 12px 20px 20px;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
      }

      .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
      }

      .nav-link.active::after {
        display: none;
      }

      .nav-link {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: var(--radius-md);
      }

      .nav-toggle {
        display: inline-flex;
      }

      .header-actions .btn-primary {
        display: none;
      }

      .page-banner {
        padding: 60px 0;
      }

      .page-banner h1 {
        font-size: 34px;
      }

      .banner-stats {
        gap: 24px;
      }

      .match-row {
        flex-wrap: wrap;
        gap: 10px;
        padding: 14px 16px;
      }

      .match-time {
        width: 70px;
        text-align: left;
      }

      .match-event {
        width: auto;
      }

      .match-teams {
        flex: 1 1 100%;
        order: 3;
        justify-content: flex-start;
        padding-top: 6px;
        border-top: 1px dashed var(--line);
      }

      .match-status {
        width: auto;
      }

      .event-grid, .report-grid {
        grid-template-columns: 1fr;
      }

      .data-stats {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
      }

      .data-card {
        padding: 24px 16px;
      }

      .data-card strong {
        font-size: 28px;
      }

      .standings-row {
        grid-template-columns: 32px 1fr 50px 60px;
        padding: 10px 16px;
      }

      .cta-section {
        padding: 48px 24px;
      }

      .cta-section h2 {
        font-size: 24px;
      }

      .section-header h2 {
        font-size: 24px;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .logo-text {
        font-size: 17px;
      }

      .logo-mark {
        width: 34px;
        height: 34px;
        font-size: 18px;
      }

      .page-banner h1 {
        font-size: 28px;
      }

      .page-banner {
        padding: 50px 0;
      }

      .banner-desc {
        font-size: 15px;
      }

      .banner-stats {
        gap: 16px;
      }

      .banner-stat strong {
        font-size: 22px;
      }

      .data-stats {
        grid-template-columns: 1fr;
      }

      .data-card {
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        padding: 20px;
      }

      .data-card strong {
        margin-bottom: 0;
        font-size: 32px;
      }

      .schedule-tabs {
        padding: 12px 14px;
      }

      .schedule-tab {
        padding: 6px 12px;
        font-size: 13px;
      }

      .event-card-media {
        height: 140px;
      }

      .team-name {
        font-size: 14px;
      }

      .team-vs {
        font-size: 12px;
        padding: 2px 8px;
      }

      .report-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }

      .faq-item summary {
        padding: 16px 18px;
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 18px 18px;
        font-size: 14px;
      }

      .cta-buttons .btn-primary, .cta-buttons .btn-outline {
        width: 100%;
      }
    }