/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a0e17;
  --primary-light: #111827;
  --primary-dark: #05080f;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.25);
  --accent-dim: #0099bb;
  --secondary: #00ff88;
  --secondary-glow: rgba(0, 255, 136, 0.20);
  --bg-dark: #0b111e;
  --bg-card: #121a2e;
  --bg-card-hover: #182240;
  --bg-section-alt: #0d1424;
  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(0, 212, 255, 0.15);
  --border-glow: rgba(0, 212, 255, 0.30);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-accent: 0 0 30px rgba(0, 212, 255, 0.10);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background: var(--primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
button { cursor: pointer; background: none; }
::selection { background: var(--accent); color: var(--primary); }
/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}
/* ===== 导航 Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}
.header.scrolled {
  background: rgba(5, 8, 15, 0.96);
  border-bottom-color: var(--border-glow);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.85; color: var(--text-primary); }
.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  font-weight: 800;
  flex-shrink: 0;
}
.logo-text { white-space: nowrap; }
.logo-text .highlight { color: var(--accent); }
/* 导航菜单 */
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
  letter-spacing: 0.3px;
}
.nav-link i { font-size: 14px; }
.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.06);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.10);
  box-shadow: inset 0 -2px 0 var(--accent), 0 0 20px rgba(0, 212, 255, 0.06);
}
.nav-link.active i { color: var(--accent); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: var(--primary) !important;
  font-weight: 600;
  padding: 8px 22px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
  transition: all var(--transition);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 35px rgba(0, 212, 255, 0.30);
  background: linear-gradient(135deg, #00e0ff, #00aacc);
  color: var(--primary) !important;
}
/* 移动端汉堡 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-list {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px 24px 30px;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s ease;
    box-shadow: var(--shadow-lg);
  }
  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border-radius: var(--radius-sm);
  }
  .nav-cta {
    margin-top: 8px;
    text-align: center;
    justify-content: center;
  }
}
/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 60px;
  background: var(--primary-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.35;
  transform: scale(1.02);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  0% { transform: scale(1.02); }
  100% { transform: scale(1.08); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,212,255,0.08) 0%, transparent 70%),
              linear-gradient(180deg, rgba(10,14,23,0.60) 0%, rgba(10,14,23,0.92) 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.10);
  border: 1px solid var(--border-color);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}
.hero-badge i { font-size: 12px; }
.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title .glow {
  -webkit-text-fill-color: var(--accent);
  filter: drop-shadow(0 0 30px rgba(0,212,255,0.3));
}
.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: var(--primary) !important;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.15);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.30);
  color: var(--primary) !important;
}
.btn-secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-color);
  color: var(--text-primary) !important;
  backdrop-filter: blur(4px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.10);
  border-color: var(--accent);
  transform: translateY(-2px);
  color: var(--text-primary) !important;
}
.btn-sm {
  padding: 10px 22px;
  font-size: 14px;
}
/* ===== 通用板块 ===== */
.section {
  padding: 90px 0;
}
.section-alt {
  background: var(--bg-section-alt);
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  padding: 4px 16px;
  border-radius: 50px;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  border: 1px solid var(--border-color);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
/* ===== 核心说明 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent), var(--shadow-md);
  background: var(--bg-card-hover);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 20px;
  transition: all var(--transition);
}
.feature-card:hover .feature-icon {
  background: rgba(0,212,255,0.15);
  border-color: var(--accent);
  box-shadow: 0 0 25px rgba(0,212,255,0.10);
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
}
/* ===== 分类入口 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  display: flex;
  align-items: stretch;
  min-height: 220px;
}
.category-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent), var(--shadow-md);
}
.category-card-image {
  width: 40%;
  min-width: 180px;
  background: var(--primary-light);
  overflow: hidden;
  position: relative;
}
.category-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .category-card-image img {
  transform: scale(1.05);
}
.category-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 50%, var(--bg-card) 100%);
  pointer-events: none;
}
.category-card-body {
  flex: 1;
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.category-card-body .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  padding: 3px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1px solid var(--border-color);
  align-self: flex-start;
}
.category-card-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.category-card-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition);
}
.category-link:hover { gap: 14px; color: var(--secondary); }
@media (max-width: 768px) {
  .category-grid { grid-template-columns: 1fr; }
  .category-card { flex-direction: column; min-height: auto; }
  .category-card-image { width: 100%; min-width: unset; height: 180px; }
  .category-card-image::after { background: linear-gradient(180deg, transparent 40%, var(--bg-card) 100%); }
}
/* ===== 最新资讯 列表 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent), var(--shadow-md);
}
.news-card-image {
  width: 100%;
  height: 180px;
  background: var(--primary-light);
  overflow: hidden;
  position: relative;
}
.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-image img { transform: scale(1.05); }
.news-card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(0,212,255,0.15);
  backdrop-filter: blur(6px);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
}
.news-card-body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-body h3 a {
  color: var(--text-primary);
  transition: color var(--transition);
}
.news-card-body h3 a:hover { color: var(--accent); }
.news-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 14px;
}
.news-card-meta i { margin-right: 4px; }
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
}
.news-empty i { font-size: 40px; margin-bottom: 16px; opacity: 0.4; }
@media (max-width: 900px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .news-grid { grid-template-columns: 1fr; }
}
/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 20px;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}
/* ===== 服务流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}
.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.process-card::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 48px;
  font-weight: 800;
  color: rgba(0,212,255,0.06);
  line-height: 1;
  transition: color var(--transition);
}
.process-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}
.process-card:hover::before { color: rgba(0,212,255,0.12); }
.process-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--accent);
  margin: 0 auto 18px;
  transition: all var(--transition);
}
.process-card:hover .process-icon {
  background: rgba(0,212,255,0.15);
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(0,212,255,0.10);
}
.process-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.process-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .process-grid { grid-template-columns: 1fr; }
}
/* ===== FAQ ===== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--border-glow); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  background: none;
  gap: 16px;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(0,212,255,0.03); }
.faq-question i {
  font-size: 14px;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
/* ===== CTA ===== */
.cta-section {
  background: var(--bg-section-alt);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-box {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-box h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.cta-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
/* ===== 页脚 ===== */
.footer {
  background: var(--primary-dark);
  border-top: 1px solid var(--border-color);
  padding: 56px 0 32px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  max-width: 320px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
}
.footer-links-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
/* ===== 滚动动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
/* ===== 响应式微调 ===== */
@media (max-width: 520px) {
  .section { padding: 60px 0; }
  .hero { min-height: 80vh; padding-top: calc(var(--nav-height) + 24px); }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .section-header { margin-bottom: 36px; }
}

/* roulang page: article */
:root {
  --primary: #f0b429;
  --primary-dark: #d49a1c;
  --primary-glow: rgba(240, 180, 41, 0.35);
  --secondary: #ff6b35;
  --bg-dark: #0b0e14;
  --bg-card: #131820;
  --bg-card-hover: #1a2430;
  --bg-elevated: #1c2838;
  --text-main: #e8edf2;
  --text-muted: #8899aa;
  --text-dim: #5a6a7a;
  --border-color: #2a3a4a;
  --border-glow: rgba(240, 180, 41, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(240,180,41,0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max: 1200px;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); background: var(--bg-dark); color: var(--text-main); line-height: 1.7; font-size: 16px; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== Header / Nav ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-h); background: rgba(11,14,20,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-color); box-shadow: 0 2px 32px rgba(0,0,0,0.5); }
.header-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text-main); font-weight: 700; font-size: 1.35rem; letter-spacing: 0.5px; }
.logo:hover { color: var(--text-main); }
.logo-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #0b0e14; font-weight: 800; box-shadow: 0 0 20px var(--primary-glow); }
.logo-text { font-weight: 700; }
.logo-text .highlight { color: var(--primary); }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-link { padding: 8px 18px; border-radius: var(--radius-sm); color: var(--text-muted); font-size: 0.95rem; font-weight: 500; transition: var(--transition); position: relative; }
.nav-link i { margin-right: 6px; font-size: 0.9rem; }
.nav-link:hover { color: var(--text-main); background: rgba(240,180,41,0.06); }
.nav-link.active { color: var(--primary); background: rgba(240,180,41,0.1); box-shadow: inset 0 -2px 0 var(--primary); }
.nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60%; height: 2px; background: var(--primary); border-radius: 2px; box-shadow: 0 0 12px var(--primary-glow); }
.nav-cta { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #0b0e14 !important; font-weight: 600; padding: 8px 22px; border-radius: var(--radius-sm); box-shadow: 0 0 20px var(--primary-glow); }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 0 30px var(--primary-glow); color: #0b0e14 !important; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-main); cursor: pointer; padding: 8px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-list { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(11,14,20,0.98); backdrop-filter: blur(16px); flex-direction: column; padding: 20px 24px; gap: 4px; border-bottom: 1px solid var(--border-color); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { width: 100%; padding: 12px 16px; font-size: 1.05rem; }
  .nav-cta { margin-top: 8px; text-align: center; }
}

/* ===== Article Banner ===== */
.article-banner { margin-top: var(--header-h); padding: 80px 0 60px; background: linear-gradient(135deg, rgba(11,14,20,0.92), rgba(20,30,50,0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; border-bottom: 1px solid var(--border-color); position: relative; }
.article-banner::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-dark) 0%, transparent 60%); pointer-events: none; }
.article-banner .container { position: relative; z-index: 2; }
.article-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 20px; }
.article-breadcrumb a { color: var(--text-muted); }
.article-breadcrumb a:hover { color: var(--primary); }
.article-breadcrumb .sep { color: var(--text-dim); }
.article-banner-category { display: inline-block; background: rgba(240,180,41,0.15); color: var(--primary); padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 16px; border: 1px solid rgba(240,180,41,0.2); }
.article-banner h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.25; color: var(--text-main); max-width: 900px; margin-bottom: 16px; letter-spacing: -0.5px; }
.article-banner-meta { display: flex; flex-wrap: wrap; gap: 20px; color: var(--text-muted); font-size: 0.9rem; }
.article-banner-meta i { margin-right: 6px; color: var(--primary); }
@media (max-width: 768px) {
  .article-banner { padding: 60px 0 40px; }
  .article-banner h1 { font-size: 1.6rem; }
  .article-banner-meta { gap: 12px; font-size: 0.8rem; }
}

/* ===== Article Main ===== */
.article-main { padding: 60px 0 80px; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
.article-content { min-width: 0; }
.article-body { background: var(--bg-card); border-radius: var(--radius-md); padding: 40px; border: 1px solid var(--border-color); box-shadow: var(--shadow-card); }
.article-body h2 { font-size: 1.6rem; font-weight: 700; margin: 36px 0 16px; color: var(--text-main); border-left: 4px solid var(--primary); padding-left: 16px; }
.article-body h3 { font-size: 1.25rem; font-weight: 600; margin: 28px 0 12px; color: var(--text-main); }
.article-body p { margin-bottom: 18px; color: var(--text-muted); line-height: 1.8; }
.article-body ul, .article-body ol { margin: 16px 0 20px 24px; color: var(--text-muted); }
.article-body li { margin-bottom: 8px; }
.article-body img { margin: 24px 0; border-radius: var(--radius-sm); box-shadow: var(--shadow-card); }
.article-body blockquote { border-left: 4px solid var(--primary); background: rgba(240,180,41,0.05); padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-muted); font-style: italic; }
.article-body a { color: var(--primary); text-decoration: underline; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-color); }
.article-tag { display: inline-block; padding: 4px 14px; background: rgba(240,180,41,0.08); color: var(--primary); border-radius: 20px; font-size: 0.8rem; border: 1px solid rgba(240,180,41,0.15); transition: var(--transition); }
.article-tag:hover { background: rgba(240,180,41,0.15); }
.article-share { display: flex; gap: 12px; align-items: center; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-color); }
.article-share span { color: var(--text-dim); font-size: 0.9rem; }
.article-share a { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-elevated); display: flex; align-items: center; justify-content: center; color: var(--text-muted); border: 1px solid var(--border-color); transition: var(--transition); }
.article-share a:hover { color: var(--primary); border-color: var(--primary); background: rgba(240,180,41,0.06); transform: translateY(-2px); }

/* ===== Sidebar ===== */
.article-sidebar { min-width: 0; }
.sidebar-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 28px; border: 1px solid var(--border-color); box-shadow: var(--shadow-card); margin-bottom: 24px; }
.sidebar-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-main); display: flex; align-items: center; gap: 10px; }
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list { list-style: none; }
.sidebar-list li { margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid rgba(42,58,74,0.4); }
.sidebar-list li:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.sidebar-list a { display: flex; gap: 12px; color: var(--text-muted); font-size: 0.9rem; line-height: 1.5; }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list .thumb { width: 60px; height: 60px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--bg-elevated); }
.sidebar-list .info { flex: 1; min-width: 0; }
.sidebar-list .info .title { font-weight: 600; color: var(--text-main); margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-list .info .date { font-size: 0.75rem; color: var(--text-dim); }
.sidebar-cta { background: linear-gradient(135deg, rgba(240,180,41,0.08), rgba(255,107,53,0.06)); border: 1px solid rgba(240,180,41,0.2); text-align: center; }
.sidebar-cta h3 { justify-content: center; }
.sidebar-cta p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.sidebar-btn { display: inline-block; padding: 10px 28px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #0b0e14; font-weight: 700; border-radius: var(--radius-sm); box-shadow: 0 0 20px var(--primary-glow); transition: var(--transition); }
.sidebar-btn:hover { transform: translateY(-2px); box-shadow: 0 0 30px var(--primary-glow); color: #0b0e14; }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-body { padding: 28px; }
}
@media (max-width: 768px) {
  .article-body { padding: 20px; }
  .article-body h2 { font-size: 1.3rem; }
  .sidebar-card { padding: 20px; }
}

/* ===== Related Section ===== */
.related-section { padding: 60px 0 80px; background: var(--bg-card); border-top: 1px solid var(--border-color); }
.related-section .section-title { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; color: var(--text-main); }
.related-section .section-sub { color: var(--text-muted); margin-bottom: 32px; font-size: 0.95rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--bg-elevated); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-color); transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); border-color: rgba(240,180,41,0.3); box-shadow: 0 8px 32px rgba(0,0,0,0.5); }
.related-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; }
.related-card-body { padding: 20px; }
.related-card-body .cat { font-size: 0.75rem; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.related-card-body h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.related-card-body h4 a { color: var(--text-main); }
.related-card-body h4 a:hover { color: var(--primary); }
.related-card-body p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card-body .meta { color: var(--text-dim); font-size: 0.75rem; margin-top: 12px; }
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .related-card img { height: 200px; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Not Found ===== */
.not-found-block { text-align: center; padding: 60px 20px; }
.not-found-block i { font-size: 3rem; color: var(--text-dim); margin-bottom: 20px; }
.not-found-block h2 { font-size: 1.8rem; margin-bottom: 12px; color: var(--text-main); }
.not-found-block p { color: var(--text-muted); margin-bottom: 24px; }
.not-found-block .btn-back { display: inline-block; padding: 12px 32px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #0b0e14; font-weight: 700; border-radius: var(--radius-sm); box-shadow: 0 0 20px var(--primary-glow); transition: var(--transition); }
.not-found-block .btn-back:hover { transform: translateY(-2px); box-shadow: 0 0 30px var(--primary-glow); color: #0b0e14; }

/* ===== CTA ===== */
.cta-section { padding: 60px 0; background: linear-gradient(135deg, rgba(240,180,41,0.04), rgba(255,107,53,0.02)); border-top: 1px solid var(--border-color); }
.cta-box { background: var(--bg-card); border-radius: var(--radius-lg); padding: 56px 48px; text-align: center; border: 1px solid var(--border-color); box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(240,180,41,0.06), transparent 70%); pointer-events: none; }
.cta-box h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; color: var(--text-main); }
.cta-box p { color: var(--text-muted); max-width: 600px; margin: 0 auto 28px; font-size: 1rem; }
.cta-btn { display: inline-block; padding: 14px 40px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #0b0e14; font-weight: 700; font-size: 1.05rem; border-radius: var(--radius-sm); box-shadow: 0 0 30px var(--primary-glow); transition: var(--transition); }
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 0 45px var(--primary-glow); color: #0b0e14; }
@media (max-width: 768px) {
  .cta-box { padding: 36px 20px; }
  .cta-box h2 { font-size: 1.3rem; }
}

/* ===== Footer ===== */
.footer { background: #080b10; border-top: 1px solid var(--border-color); padding: 60px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 2fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.7; max-width: 380px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-links-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 16px; position: relative; padding-bottom: 8px; }
.footer-links-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-links-col a { display: block; color: var(--text-dim); font-size: 0.85rem; padding: 4px 0; transition: var(--transition); }
.footer-links-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-links-col a i { margin-right: 6px; width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--text-dim); font-size: 0.8rem; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .footer-links { grid-template-columns: 1fr; }
}

/* ===== General Utilities ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 16px; }
.mt-2 { margin-top: 32px; }
.mb-1 { margin-bottom: 16px; }
.mb-2 { margin-bottom: 32px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #f0c040;
            --primary-hover: #ffd866;
            --primary-glow: rgba(240, 192, 64, 0.35);
            --secondary: #1a1a2e;
            --bg-dark: #0d0d1a;
            --bg-card: #16162a;
            --bg-card-hover: #1e1e3a;
            --bg-surface: #12122a;
            --text-main: #f0f0f0;
            --text-light: #c0c0d0;
            --text-muted: #8888aa;
            --border-color: #2a2a4a;
            --border-glow: rgba(240, 192, 64, 0.2);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(240, 192, 64, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-dark);
            min-height: 100vh;
            padding-top: var(--header-h);
            background-image: radial-gradient(ellipse at 20% 50%, rgba(240, 192, 64, 0.04) 0%, transparent 70%);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-light);
        }
        p:last-child {
            margin-bottom: 0;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }
        .section-title h2 i {
            color: var(--primary);
            font-size: 0.8em;
        }
        .section-title p {
            max-width: 640px;
            margin: 12px auto 0;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .highlight {
            color: var(--primary);
        }
        .text-center {
            text-align: center;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            background: var(--primary);
            color: var(--secondary);
            border: 1px solid rgba(240, 192, 64, 0.3);
        }
        .badge-sm {
            padding: 2px 10px;
            font-size: 0.65rem;
        }
        .badge-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .badge-secondary {
            background: rgba(240, 192, 64, 0.12);
            color: var(--primary);
            border-color: transparent;
        }
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 4px;
            margin: 16px auto 0;
        }
        .divider-light {
            opacity: 0.3;
        }

        /* ===== Header / Nav (暗色霓虹) ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(13, 13, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(13, 13, 26, 0.98);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.8);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #e0a800);
            color: var(--secondary);
            font-size: 1.4rem;
            font-weight: 800;
            border-radius: var(--radius-xs);
            box-shadow: 0 0 20px rgba(240, 192, 64, 0.25);
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .logo-text .highlight {
            color: var(--primary);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            border: 1px solid transparent;
        }
        .nav-list .nav-link i {
            font-size: 0.85rem;
            opacity: 0.6;
            transition: var(--transition);
        }
        .nav-list .nav-link:hover {
            color: var(--text-main);
            background: rgba(240, 192, 64, 0.08);
            border-color: rgba(240, 192, 64, 0.15);
        }
        .nav-list .nav-link:hover i {
            opacity: 1;
            color: var(--primary);
        }
        .nav-list .nav-link.active {
            color: var(--primary);
            background: rgba(240, 192, 64, 0.12);
            border-color: rgba(240, 192, 64, 0.25);
            box-shadow: 0 0 20px rgba(240, 192, 64, 0.08), inset 0 0 20px rgba(240, 192, 64, 0.04);
        }
        .nav-list .nav-link.active i {
            opacity: 1;
            color: var(--primary);
        }
        .nav-list .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            box-shadow: 0 0 12px var(--primary-glow);
        }
        .nav-list .nav-cta {
            background: linear-gradient(135deg, var(--primary), #e0a800) !important;
            color: var(--secondary) !important;
            font-weight: 600;
            border: none !important;
            padding: 8px 22px;
            box-shadow: 0 4px 20px rgba(240, 192, 64, 0.25);
        }
        .nav-list .nav-cta i {
            color: var(--secondary) !important;
            opacity: 1 !important;
        }
        .nav-list .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(240, 192, 64, 0.35);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 26px;
            height: 2.5px;
            background: var(--text-main);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-card);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            background-blend-mode: overlay;
            background-color: rgba(13, 13, 26, 0.7);
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.85) 30%, rgba(13, 13, 26, 0.4) 70%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.5;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-content {
            max-width: 740px;
        }
        .page-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(240, 192, 64, 0.12);
            border: 1px solid rgba(240, 192, 64, 0.2);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .page-banner .banner-tag i {
            font-size: 0.75rem;
        }
        .page-banner h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-main) 40%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 48px;
            margin-top: 12px;
        }
        .banner-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .banner-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .banner-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 32px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #e0a800);
            color: var(--secondary);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(240, 192, 64, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(240, 192, 64, 0.35);
            color: var(--secondary);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border-color: var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(240, 192, 64, 0.06);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.82rem;
        }
        .btn i {
            font-size: 0.85em;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            border-color: rgba(240, 192, 64, 0.2);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(240, 192, 64, 0.05);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .card-body {
            padding: 24px 24px 28px;
        }
        .card-body .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            background: rgba(240, 192, 64, 0.12);
            color: var(--primary);
            margin-bottom: 12px;
            border: 1px solid rgba(240, 192, 64, 0.1);
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--text-main);
            text-decoration: none;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 14px;
            margin-top: 4px;
        }
        .card-meta i {
            margin-right: 4px;
            color: var(--primary);
            opacity: 0.5;
        }
        .card-meta span {
            display: flex;
            align-items: center;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 24px;
        }

        /* ===== Category Tabs ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .category-tabs .tab-btn {
            padding: 10px 24px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-tabs .tab-btn:hover {
            border-color: rgba(240, 192, 64, 0.3);
            color: var(--text-main);
        }
        .category-tabs .tab-btn.active {
            background: rgba(240, 192, 64, 0.12);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 20px rgba(240, 192, 64, 0.08);
        }
        .category-tabs .tab-btn i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        /* ===== Feature / Icon Blocks ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-item:hover {
            border-color: rgba(240, 192, 64, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(240, 192, 64, 0.08);
            border-radius: 16px;
            font-size: 1.6rem;
            color: var(--primary);
            border: 1px solid rgba(240, 192, 64, 0.1);
        }
        .feature-item h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== Data / Stats ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .data-card:hover {
            border-color: rgba(240, 192, 64, 0.2);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .data-card .data-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-card .data-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .data-card .data-icon {
            font-size: 1.4rem;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 192, 64, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(240, 192, 64, 0.08);
            color: var(--primary);
            transition: var(--transition);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: rgba(240, 192, 64, 0.2);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-card);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(13, 13, 26, 0.75);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.8), rgba(13, 13, 26, 0.3));
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-inner {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 32px;
        }
        .cta-inner .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: var(--text-muted);
            max-width: 380px;
            line-height: 1.8;
        }
        .footer-links {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .footer-links-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-links-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-links-col a i {
            margin-right: 6px;
            font-size: 0.8rem;
            color: var(--primary);
            opacity: 0.5;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--primary);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            padding-top: 8px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.4;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--primary);
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            border-color: rgba(240, 192, 64, 0.15);
            transform: translateX(4px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-dark);
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .news-item .news-content h4 a {
            color: var(--text-main);
            text-decoration: none;
        }
        .news-item .news-content h4 a:hover {
            color: var(--primary);
        }
        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .news-item .news-meta i {
            margin-right: 4px;
            color: var(--primary);
            opacity: 0.4;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .header-inner {
                padding: 0 16px;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(13, 13, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 30px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list .nav-link {
                width: 100%;
                padding: 12px 18px;
                border-radius: var(--radius-xs);
                font-size: 1rem;
            }
            .nav-list .nav-link.active::after {
                display: none;
            }
            .nav-list .nav-link.active {
                background: rgba(240, 192, 64, 0.12);
                border-left: 3px solid var(--primary);
            }
            .nav-toggle {
                display: flex;
            }
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .data-card {
                padding: 24px 16px;
            }
            .data-card .data-number {
                font-size: 1.8rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .page-banner {
                padding: 70px 0 60px;
            }
            .banner-stats {
                gap: 20px 32px;
            }
            .banner-stats .stat-number {
                font-size: 1.4rem;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .category-tabs .tab-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .banner-stats {
                flex-direction: column;
                gap: 12px;
            }
            .banner-actions {
                flex-direction: column;
            }
            .banner-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-inner .btn-group {
                flex-direction: column;
            }
            .cta-inner .btn-group .btn {
                width: 100%;
                justify-content: center;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .news-item .news-thumb {
                height: 120px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Tournament Highlight Block ===== */
        .tournament-highlight {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .tournament-highlight .highlight-image {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }
        .tournament-highlight .highlight-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }
        .tournament-highlight .highlight-image:hover img {
            transform: scale(1.03);
        }
        .tournament-highlight .highlight-text h2 {
            margin-bottom: 16px;
        }
        .tournament-highlight .highlight-text p {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .tournament-highlight .highlight-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .tournament-highlight .highlight-text .tag-list span {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(240, 192, 64, 0.06);
            border: 1px solid rgba(240, 192, 64, 0.1);
            color: var(--text-light);
        }
        .tournament-highlight .highlight-text .tag-list span i {
            margin-right: 4px;
            color: var(--primary);
            font-size: 0.7rem;
        }
        @media (max-width: 768px) {
            .tournament-highlight {
                grid-template-columns: 1fr;
            }
            .tournament-highlight .highlight-image img {
                height: 240px;
            }
        }

        /* ===== Process / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }
        .step-card:hover {
            border-color: rgba(240, 192, 64, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }
        .step-card::before {
            content: counter(step);
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: var(--secondary);
            font-weight: 800;
            font-size: 0.9rem;
            border-radius: 50%;
            box-shadow: 0 0 20px rgba(240, 192, 64, 0.3);
        }
        .step-card .step-icon {
            font-size: 2rem;
            color: var(--primary);
            margin: 8px 0 16px;
            opacity: 0.6;
        }
        .step-card h4 {
            font-size: 1rem;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Section bg alt ===== */
        .section-alt {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        /* ===== Inline fix ===== */
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }